The answer is;
4, 1, 3, 2
The rough endoplasmic reticulum (RER) is referred to as ‘rough’ due to the presence of numerous ribosomes on its membrane. When the ribosomes translate proteins, the proteins enter the lumen of the ER and are folded appropriately by the help of chaperones. The proteins travel from the cis to the trans end of the ER during this modification this process. At the trans end they pinch off into vesicle that later join the Golgi apparatus. The protein are modified and packaged in teh Golgi. They then pinch off into vesicles and transported to their site in the cell or to the plasma membrane for exocytosis.
. How are starch and glycogen related? Both starch and glycogen give wood its strength. Humans store the energy from starch as glycogen. Both starch and glycogen can be digested only by cows. Plants store the energy from starch as glycogen.
humans store the energy from starch as glycogen gradpoint answer
Professor Whitney has a sample of lead and a sample of iron. The samples have equal mass. When Whitney heats the samples, the lead reaches a higher temperature than the iron, even though both samples absorbed the same amount of thermal energy. What can Whitney conclude from this experiment? A. Iron is a better conductor of heat than lead. B. Lead is a better conductor of heat than iron. C. Lead has a higher heat capacity than iron. D. Iron has a higher heat capacity than lead.
Your answer would be B. Lead is a better conductor of heat than iron. Hope this helps! :D
How can chimpanzees have different traits from one another?
a) they have different lengths of DNA
b) some are diploid and others have haploid
c) only some have chromosomes
d) they have different genes
The correct answer is D
Chimpanzees have different trait from one another because they have different genes. The different sub species of chimpanzee has different traits such as color of eyes, hair pattern, and many more. It is so because every gene expresses for a different character.
The difference in traits are due to the different genes present in them.
Answer:
d) they have different genes
Explanation:
i hope this helps
Which of the following occurs as a cell decreases in size?
1Points
A
The surface area volume ratio increases.
B
The surface area increases.
C
It is more difficult to transport waste and nutrients in the cell.
D
The volume increases.
My answer will be option A. "The surface area volume ratio increases.This is because, with normal growth, the cell gets bigger and bigger and its speed of waste production and its need to obtain resources increase faster than the surface where it is supported This explains why large organisms must consist of many small cells: cells are small in volume to maintain a large surface-to-volume ratio.
Correct answer: A). The surface area volume ratio increases.
A cell is like a compartment where various types of chemical reaction occur, like any living thing it also grows and increases in size. The higher the volume of the cell the larger reactions can occur in the cell. It means that higher surface area will allow a large exchange of substances through the cell.
If the size of the cell is decreased, it means its surface area to volume ratio also decreases, but at unequal rates. The volume would decrease faster as compared to the surface area which will lead to an increase in the surface area to volume ratio.
Hence, as the cell size decrease, the surface area to volume ratio increases.
NEED HELP ASAP, BRAINLIEST AND 20 PTS TO CORRECT ANSWER!
Type the correct answer.
A female with an X-linked dominant disease mates with a normal male. Based on the pedigree chart, the possibility that her offspring will actually develop the disease is (blank) %.
What can you conclude is one limitation of the arrangement of glucose molecules that gives chitin and cellulose their strength?
A) It does not allow for storage of energy and, therefore, provides little nutritional value.
B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
C) It does not allow for the elimination of waste material and, therefore, causes higher energy use.
D) It does not allow for a bonding with hydrogen and, therefore, creates limitations on height. ...?
the answer is ( B :)
Answer:
The correct answer is the option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
Explanation:
In cellulose and chitin the arrangement of glycogen in in alternate arrangement that provides the support to the plants that makes it strong and the limits its mobility.
If plants lac their special arrangement of the glycogen in chitin and cellulose the water will flow in and it will not be stand upright.
Thus, the correct answer is option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
When meiosis is complete, what is produced? A. Four haploid cells B. Two haploid cells C. Two diploid cells D. Four diploid cells
The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell. Meiosis has both similarities to and differences from mitosis, which is a cell division process in which a parent cell produces two identical daughter cells.
Answer: A four haploid cells
When meiosis is complete,four haploid cells are formed from a single diploid cell. The four daughter cells produced that contains half the number of chromosome than that of their parent cell. Due to meiosis the number of chromosomes remain fixed in a species from generation to generation.
Complete the sentence. When an acid is added to water, hydroxide ions __________.
increase
decrease
stay the same
disappear
(MY WHOLE GRADE DEPENDS ON THIS QUESTION)
When an acid is added to water, hydroxide ions increases.
it decreases. i know this for sure
what is the unemployment rate if the number of unemployed people is 19 and the labor force is 300
a. 6.3%
b. 7.1%
c. 5.9%
The unemployment rate can be calculated by dividing the number of unemployed people (19) by the labor force (300) and multiplying by 100, resulting in a) 6.3%.
The unemployment rate is defined as the number of unemployed persons divided by the total labor force, expressed as a percentage.
To determine the unemployment rate, follow these steps:
Take the number of unemployed people: 19Take the total labor force: 300Divide the number of unemployed people by the total labor force: 19 / 300 = 0.0633Convert the result to a percentage by multiplying by 100: 0.0633 * 100 = 6.33%Hence, the correct answer is a) 6.3%.
which of these make up the vascular tissue
Which of what makes up vascular tissue
The answer is: phloem.
How does the cell cycle help organisms? Growth, repair, and reproduction of cells reproduction of the organism synthesis, replication, and reproduction of DNA in cells
The cell cycle is a series of phases that results in the formation of new cells. The cycle helps in the growth, repair, and reproduction of cells of organisms. Thus, option A is correct.
What is a cell cycle?A cell cycle is a division of the old parent cell through a series of stages to produce two new daughter cells. It includes G1, S, G2, and M stages, where the cell replicates, grows, and divides.
The formation of the new cells results in increased growth, replaces the old and damaged cells with new cells, and also is important in the formation of the gametes that are essential for reproduction.
Therefore, the cell cycle is involved in growth, repair, and reproduction.
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Answer:
a
Explanation:
edge 2023
The model below represents a phase of meiosis. What stage of meiosis does the picture below represent?
1Points
A drawing of a phase of meiosis with the chromosome pairs alinged along the equator of the cell.
A
prophase I
B
anaphase I
C
metaphase I
D
metaphase II
Answer:
metaphase II
Explanation:
The image shows the presence of chromosomes at the equator of the cell. Each chromosome is shown to have two sister chromatids. Chromosomes are not arranged on the equator in pairs but are present in as a single chromosome. Since no chromosome pairs but the single chromosomes are aligned at the equator of the cell, the phase is metaphase II.
The model represents C. metaphase I of meiosis.
Explanation:The model represents metaphase I of meiosis. In metaphase I, homologous chromosome pairs align along the equator of the cell. This is different from metaphase II, where individual chromosomes align along the equator. Metaphase I is a stage of meiosis, a specialized cell division process that reduces the chromosome number by half to create haploid cells (gametes).
During metaphase I, homologous pairs of chromosomes, one from each parent, align at the cell's equatorial plane or metaphase plate. This alignment ensures that when they separate during anaphase I, each daughter cell receives one chromosome from each pair, contributing to genetic diversity in the resulting gametes.
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What role does cellular respiration play in the carbon cycle?
A. Plants release oxygen.
B. Plants absorb carbon dioxide.
C. Animals produce carbon dioxide.
D. Animals absorb oxygen.
Cellular respiration contributes to the carbon cycle by animals consuming oxygen and organic matter, producing carbon dioxide that gets released into the atmosphere. This carbon dioxide is then absorbed by plants and used in photosynthesis, releasing oxygen that is then used again by the animals.
Explanation:Cellular respiration plays a fundamental role in the carbon cycle. During this process, organisms, predominantly animals, consume oxygen and organic matter, like carbohydrates, and produce carbon dioxide as a by-product. This carbon dioxide is released back into the atmosphere.
The released carbon dioxide is then absorbed by plants for the process of photosynthesis, which in turn release oxygen that is used again by animals for respiration. Thus, the process of cellular respiration bridges the essential parts of the carbon cycle, ensuring a continuous flow of carbon in the environment.
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Cellular respiration involves [Option C ] animals producing carbon dioxide as they generate energy from organic molecules.
Cell breath is a critical interaction in the carbon cycle. Animals use energy to break down glucose and other organic molecules during cellular respiration to produce carbon dioxide. This cycle discharges carbon dioxide into the environment, which can then be utilized by plants during photosynthesis to deliver oxygen and glucose. In rundown, while plants assimilate carbon dioxide and delivery oxygen through photosynthesis, creatures consume oxygen and delivery carbon dioxide through cell breath. These two cycles are interconnected and fundamental for keeping up with the equilibrium of carbon in the air.levels of organization in the ecosystem
The levels of organization in the ecosystem are: population, community, ecosystem, and biosphere.
16. Which of the following accurately describes a step within transcription?
A. DNA polymerase uses one strand of RNA as a template to put together nucleotides.
B. The DNA strand is used as a template for which a complementary RNA strand can be produced.
C. The RNA strand forms a template by which DNA can be built.
D. The RNA strand is produced within the cytoplasm.
Materials:
4 eggs
Two cups of milk (preferably whole/full cream, or made from powdered milk)
Your own hair from a hairbrush or comb
Small saucepan
Mixing bowl
Baking tray or cookie sheet
Aluminum foil
Candy Thermometer or Cooking/Meat thermometer
Stove/Oven (with oven mitts/pot holders)
_____________________________________________
Part A: Eggs
Crack your eggs over your mixing bowl one at a time. Separate the egg whites and yolks so that only egg whites are in your mixing bowl. If you get any egg yolk into your egg white mixture, you will need to restart.
Pour the raw egg whites into a small saucepan and place over “low heat” on your stove.
Place your thermometer into the mixture and begin recording the temperature of the egg whites.
Make observations about the egg white mixture as the temperature increases. You might want to mention the appearance, color, texture, or smell of the mixture. Record all observations and their associated temperatures in your data table.
Keep heating the mixture until a clear texture change in the entire mixture occurs. You may need to increase the heat of the stovetop if the mixture’s temperature isn’t increasing.
Dispose of the egg whites. Clean the saucepan, mixing bowl, and thermometer
_____________________________________________
Part B: Milk
Pour two cups of milk into your clean saucepan. If you are using powdered milk, first combine the powdered milk with about two cups of water, mix well, and let sit before adding to saucepan.
Turn the stove on to low heat and insert your thermometer to begin recording temperature.
Make observations about the milk as the temperature increases. Try to mention the appearance, color, texture, or smell of the mixture. Record all observations and their associated temperatures in your data table.
Keep heating the mixture until there is a clear texture change. You may need to increase the heat of the stove top if the temperature isn’t increasing.
Dispose of the milk. Clean the saucepan, bowl, and thermometer
_____________________________________________
Part C: Hair
Preheat your oven to 200 degrees Fahrenheit.
Place aluminum foil over your baking/cookie sheet.
Acquire some of your own hair from a comb or toothbrush and place it on your covered baking/cookie sheet. Insert the sheet into the oven once it has reach 200 degrees Fahrenheit.
Let the hair heat up in the oven, watching for any changes (about 5 minutes).
Increase the temperature of the oven by 25 degrees Fahrenheit and allow the hair to heat up for 5 minutes. Record any changes to the hair appearance or texture. You can simply observe the hair through the oven window, but you may want to remove the hair from the oven for a closer look. Make sure to use oven mitts and to not open the oven too often (one observation per temperature increase will be enough).
Record all observations and their associated temperatures in your data table. Keep heating the hair until there is a noticeable change in appearance or texture.
Remove the hair from the oven and turn it off. Allow the hair to cool and then dispose of the hair and aluminum foil.
Questions:
________
About at which temperature did the protein in eggs denature? How could you tell?
About at which temperature did the protein in milk denature? How could you tell?
About at which temperature did the protein in hair denature? How could you tell?
Why do you think different proteins denature at different temperatures?
Why might it be useful to denature a protein?
Protein Denaturation
NAME OF MAIN PROTEIN: TEMPERATURE: OBSERVATION:
EGGS: - 144°F - Then four eggs were cracked into a bowl and separate the yolk from the egg whites. Then was poured the raw egg whites into a saucepan and turn the stove on low heat, then placed the thermometer. The temperature of the egg whites began to increase 80°F. The texture began to become tough and rubber like. The temperature began to increase again to 160°F.
MILK: - 180°F - Two cups of milk was then poured the into a clean saucepan, then was turned it on low heat and inserted the thermometer into the saucepan. The temperature of the milk began to increase to 80°F. The color stayed the same and the texture began to thicken.
HAIR: - 225°F - The oven was then preheated to 200°F, then put aluminum foil over your baking sheet. Hair was revieved from a hair brush and placed was on the baking sheet, then put the baking sheet in the oven. The hair heated for 5 minutes then increased the oven to 225°F, then it heated for another 5 minutes. The texture of the the hair became stiffer and dry.
Questions:
1. What is the most abundant type of protein in egg white? What do you think its purpose is?
2. What is the most abundant type of protein in milk? What do you think its purpose is?
3. What is the most abundant type of protein in human hair? What do you think its purpose is?
4. What happens when a protein denatures?
5. What conditions might cause a protein to denature (list at least two)?
Answers:
1. The most abundant type of protein in egg white is ovalbumin is the most abundant protein in albumen.
2. The most abundant type of protein in milk is caseins.
3. The most abundant type of protein in human hair is biomaterial primarily composed of protein, especially alpha-keratin.
4. Denaturation of proteins involves the destruction of the tertiary and secondary structure.
5. Conditions that might cause a protein to denature is the heat increases the knortic energy which causes the molecules to vibrate so rapidly and violently that the bonds are disrupted, and the heat can disrupt hydrogen bonds and non-polar hydrophobic interaction.
Question:
1. About at which temperature did the protein in eggs denature? How could you tell?
2. About at which temperature did the protein in milk denature? How could you tell?
3. About at which temperature did the protein in hair denature? How could you tell?
4. Why do you think different proteins denature at different temperatures?
5. Why might it be useful to protein?
Answer:
1. After a few minutes, the temperature of the eggs increased to 80°F, then five minutes later it increased agin to 160°F. The eggs then began to become tough and rubbery.
2. After a few minutes, the temperature of the boiling milk increased to 80°F. It then became a thick consitantsy.
3. After the hair was in the oven set at 200°F, the hair became stiff like, then was bumped up to 225°F. It then became stiffer and dry.
4. Yes, different proteins denature at different temperatures can melt above 106°F.
5. Denature a proteins change their structure in the presence of certain chemicals, acids or bases.
In this assignment, data was collected throughout the experiments. During the egg white experiment, the temperature rose of the egg whites began to increase 80°F, then increase again to 160°F, texture began to become tough and rubber like. During the milk experiment, temperature of the milk began to increase to 80°F, the color stayed the same and the texture began to thicken. During the hair experiment, the hair heated for 5 minutes in the 200, the oven was increased to 225°F. Then heated for another 5 minutes, then the texture of the the hair became stiffer and dry.
Material:
⦁ 4 eggs
⦁ Two cups of milk
⦁ Your own hair from a hairbrush
⦁ Small saucepan
⦁ Mixing bowl
⦁ Baking tray
⦁ Aluminum foil
⦁ Candy Thermometer
⦁ Stove and Oven
The protein in eggs denatures at 60-70 degrees Celsius, while the protein in milk denatures at 70-80 degrees Celsius. Hair protein typically denatures at temperatures above 150 degrees Celsius. Proteins denature at different temperatures due to their unique structures and compositions. Denaturing proteins can be useful in cooking and research applications.
Explanation:The protein in eggs denatures at a temperature of around 60-70 degrees Celsius. You can tell that the protein has denatured because the appearance of the egg white changes from clear to opaque white as it cooks.
The protein in milk denatures at a temperature of around 70-80 degrees Celsius. You can observe the denaturation of milk protein by noting a change in the appearance, color, and texture of the milk as it heats up.
The temperature at which hair protein denatures can vary, but it typically occurs at temperatures above 150 degrees Celsius. You can tell that the protein in hair has denatured by observing changes in its appearance and texture, such as a change in color or a brittle texture.
Proteins denature at different temperatures because each protein has a unique structure and composition. The stability of a protein's structure depends on the specific interactions between its amino acids, which can be affected by factors like temperature and pH. Some proteins are more heat-tolerant and have adapted to function at higher temperatures, while others are more sensitive and denature at lower temperatures.
Denaturing a protein can be useful in a variety of contexts. For example, denaturing proteins in food during cooking helps to improve their digestibility and enhance their flavor. In research and biotechnology, denaturing proteins can help to study their structure and function, or to isolate specific protein components.
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Roberto's family went to the coast of Georgia. While they were there, Roberto noticed that the rocks close to the water were smooth, and the rocks farther away from the water had more jagged edges. What MOST LIKELY caused the rocks to be smooth instead of rough?
A) birds pecking at the rocks
B) fish swimming over the rocks
C) the sun shining on the rocks
D) waves crashing down on the rocks
The answer is D) waves crashing down on the rocks
Answer:
waves crashing down
Explanation:
Q;
Beta Radiation
A;
1.is the same as alpha radiation and does not have electrons.
2.Is different from alpha radiation and does have electrons.
3.Is the strongest form of radiation.
4.Is different from alpha radiation and does have a helium nucleus.
2 is the answer;
1 - alpha has 2 protons and two neutrons and no electrons, and they have a positive charge. Beta particles have high energy electrons and are negative charged.
3 - Gamma radiation is.
4 - Of course not. They don't have 2p and 2n in its nucleus as Helium does.
What is climate? A: physical state of the atmosphere at any given time and place. B: long term patterns in temperature and precipitation. C: the measure of how quickly molecules are moving. D: the weight of the air above any particular point.
The answer is.. B :)
What property of water allows nutrients and gases to move throughout the body is it adhesive or cohesive
I think it is Cohesive because the water molecules are being pulled up
The cohesive property of water allows nutrients and gases to move throughout the body.
What are the other properties of water?The properties of water may include polarity, the universal solvent, high surface tension, cohesion & adhesion, high heat of vaporization, etc.
Due to the ability to form hydrogen bonds with other atoms or molecules, water has the strong cohesive force to attract molecules of the same kind or others as well.
Due to this cohesive force, all the nutrients and gases are attract to one another and move throughout the body.
Therefore, the cohesive property of water allows nutrients and gases to move throughout the body.
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A plant is moved from direct sunlight and placed into complete darkness.
Which structure in the plant's cells would be most affected by this change?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Chloroplast
(Choice B)
B
Vacuole
(Choice C)
C
Mitochondria
(Choice D)
D
Golgi body
It would be choice A, Chloroplast. That's because the chloroplast is the organelle that carries out photosynthesis. The process requires energy from the sun in order to be carried out so without light the chloroplast would be affected.
Brainliest please????
Answer:
chloroplast
Explanation:
Why is it incorrect to call interphase a resting phase
Which of the following is an example of polygenic inheritance?
A) pink flowers in snapdragons
B) the ABO blood group in humans
C) Huntington's disease in humans
D) white and purple flower color in peas
E) skin pigmentation in humans
The answer would be E. Skin pigmentation in humans
Polygenic inheritance is the inheritance of a trait that is controlled by multiple genes. An example of this is skin pigmentation in humans.
Explanation:Polygenic inheritance refers to the inheritance of a trait that is controlled by multiple genes. It occurs when the phenotype of a trait is influenced by the additive effects of two or more genes. An example of polygenic inheritance is skin pigmentation in humans. The variation in human skin color is controlled by multiple genes that interact with each other to produce a range of skin tones.
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The fact that children in different cultures ____ in the age at which basic motor skills appear demonstrates that ____.
a. vary somewhat; genetic factors can slow or accelerate early motor development
b. vary somewhat; environmental factors can slow or accelerate early motor development
c. do not vary; genetic factors alone determine early motor development
d. do not vary; environmental factors alone determine early motor development
Children's motor skill development times vary across cultures due to environmental factors, not solely genetic ones.
The fact that children in different cultures vary somewhat in the age at which basic motor skills appear demonstrates that environmental factors can slow or accelerate early motor development. This is supported by research indicating that while there are universal sequences of development, such as in language milestones, the timing of motor skills like sitting, crawling, and walking can differ due to varying cultural practices and childcare. For instance, in the Aché society of Paraguay, children typically start to walk later than those in Western cultures because they are carried more frequently to ensure their safety in the forest environment. However, as they grow older, their motor skills develop to surpass those of children in the U.S.
Which does the work of the immune system? A. Enzymes B. Hormones C. Lymphocytes D. Neurons
Answer: C.Lymphocytes
Reasoning: Lymphocytes- a group of small white blood cell with a single round nucleus.
The definition of the word should tell it, referring to the fact white blood cells are the key to the immune system.
The correct answer is option C.The immune system is primarily dependent on lymphocytes to carry out its functions, which include recognizing and destroying pathogenic invaders and malignant cells. Lymphocytes, including B cells and T cells, are essential for the adaptive immune response, while macrophages and natural killer cells play critical roles in the innate immune response.
The correct answer to which does the work of the immune system is C. Lymphocytes. Lymphocytes are a type of white blood cell that are a key component of the immune system. Their main function is to identify and help destroy infectious invaders such as viruses and bacteria.
Lymphocytes are responsible for the specific immune response which is essential for long-term protection against diseases. There are mainly two types of lymphocytes involved in the immune response: B cells and T cells. B cells are responsible for producing antibodies that bind to specific antigens on pathogens, marking them for destruction, while T cells destroy infected host cells, coordinate the immune response, and help activate B cells.
Macrophages, which are part of the innate immune system, can phagocytize pathogens and produce chemicals that promote inflammation. Furthermore, natural killer cells, a part of the innate immune response, use MHC I molecules to identify and destroy compromised cells.
____________ tend to exhibit greater cerebral specialization; ___________ tend to have a larger corpus callosum.
a. females; females
b. Males; males
c. Females; males
d. Males; females
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Is it true of false that a disease that wiped out the rabbit population in an enviorment would affect the coyote population in the same environment?
What was the species concept most used by Linnaeus?
A) biological
B) morphological
C) ecological
D) phylogenetic
The scientist has a water sample from an unknown location in the lake. When bromothymol blue is added, the sample becomes blue. From where did the sample most likely come?
The aqueous bromothymol blue solution act as a pH indicator and turns blue only in case when the pH of the sample is above or equal to 7.6
Since the pH of the water at the surface of the lakes is higher and ranges between 7.5 to 8.5 the color of bromothymol turn blue.