Answer: A. Golgi Apparatus
Explanation:
The reaction that releases energy for use by the cell occurs in Mitochondrial membrane site. So, the correct option is (B).
What is Mitochondria?A mitochondria is a type of organelle which is found in the cells of most eukaryotes, like animals, plants, and fungi. It has a double membrane structure which uses aerobic respiration to generate adenosine triphosphate, which is used throughout the cell as a source of chemical energy.
Functions of Mitochondria are as follows:
Producing energyCell deathStoring calciumHeat productionMitochondria make up over 90% of the energy needed to sustain life and support organ function. Each cell contains hundreds to thousands of mitochondria, which are located in the fluid that surrounds the nucleus (cytoplasm).
Thus, the reaction that releases energy for use by the cell occurs in Mitochondrial membrane site. So, the correct option is (B).
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What is the definition of the periodic table
Answer:
A table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
The periodic table is essential for organizing chemical information and facilitating the study of element properties and interactions.
The periodic table is a tabular display of the chemical elements organized based on three major factors: their atomic numbers, electron configurations, and recurring chemical properties. In this table, the elements are arranged in an increasing order of their atomic numbers (which is the number of protons in an atom's nucleus). This layout ensures that elements with similar properties appear in vertical columns, known as 'groups.'
Additionally, the table is structured so that elements with the same number of electron shells fall into horizontal rows, known as 'periods.' The periodic table was first devised by Dmitri Mendeleev in 1869, who noticed that the properties of elements exhibited a repeating pattern, or periodicity, when arranged by atomic weight.
Today, the modern periodic table is a crucial tool in chemistry, helping scientists understand and predict the behavior of elements and compounds in chemical reactions. Its standard form includes a main body with an eighteen by seven grid and a smaller section with two rows at the bottom comprising the lanthanides and actinides.
Which of the following muscles have the ability to work without getting tired?
Bicep muscles
Cardiac muscles
Leg muscles
Skeletal muscles
Cardiac muscles
Answer is second choice
Cardiac Muscles why, it’s constantly working and pumping blood
In the diagram below, images 1 and 2 represent the chemical and molecular levels of organization. Based on the levels of organization, what does image 4 represent?
tissue
cell
organ system
organ
Answer:
The answer is tissue.
Explanation:
e2020, the other answer is false.
Following the standard biological levels of organization, and assuming that each image represents the next level, the fourth image likely represents the tissue level of organization. This comes after the molecular and cellular levels.
Explanation:In the conventional understanding of the biological levels of organization, the molecular level is followed by the cellular level (individual cells), which is then followed by the tissue level (groups of similar cells that carry out a specific function). This is then followed by the organ level (several tissues working together to perform a specific function), which is then succeeded by the organ system level (groups of organs working together to perform complex functions in an organism).
Given that images 1 and 2 represent the chemical and molecular levels, and if we follow the typical sequence of organizational levels, image 4 would most likely represent the tissue level of organization after the cell level (presumably represented by image 3).
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an organism is found that has the follow traits:
relies on plants for nutrients,
absorbs nutrients through filaments,
lives in a moist environment.
what kingdom dose this organism most likely belong in?
A. protista
B. plantae
C. animalia
D. fungi
-apex
Answer:
I am pretty sure it is D) fungi
The answer would be fungi
What is the role of MRNA in the process?
Answer:
carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid.
what is the main difference between an internal combustion engine and an external combustion engine?
PLEASE ANSWER ASAP
A) The burning of fuel occurs inside the cylinder with the piston in an external combustion engine.
B) The burning of fuel occurs inside the cylinder with the piston in an internal combustion engine.
C) An internal combustion engine doesn’t have a cylinder and a piston.
D) An external combustion engine doesn’t have a cylinder and a piston
Option B is the best answer for your question...
Answer:
The burning of fuel occurs inside the cylinder with the piston in an internal combustion engine. - B)
What is an outcome of gene regulation
Answer:
Gene regulation results in homeostasis that equilibrium between interdependent elements to different gene expressions by physiological processes.
Explanation:
Gene regulation is any mechanism utilize by a cell to change in the production of specific protein or RNA. Cells can alter their gene expression to stimuli developmental pathways, respond to environmental stimuli, or adapt to the new change.
Gene regulation is a cellular process that regulates the manner and rate of gene expression. A complex set of interactions between genes, protein, RNA molecules and other components of the gene expression system.
One possible form of a gene that codes for a particular trait is known as ______.
Answer:
Allele
Explanation:
A gene is a stretch of DNA that code for a specific protein. A gene can exist as two or more alternative forms. These alternative forms of a gene are called as alleles. The alleles are responsible for presence of variants of a particular genetic trait.
For example: The gene for plant height has two possible forms, i.e. two alleles. These are symbolized as "T" and "t". The allele "T" impart tallness while allele "t" imparts dwarfism to the plants.
how would you make clear the importance of avoiding bacterial infection to a patient with leukemia who has an elevated white blood cell count
Answer:
hand sanitizer
What atom is a noble gas in group 18, row 4?
Explanation:
Group 18 is also known as noble gases. Elements of this group are helium, neon, argon, krypton, xenon, and radon.
Period 1 means value of n = 1. Period 2 means value of n = 2. Period 3 means value of n = 3. Period 4 means value of n = 4 and so on, where n is valence shell.
Electronic configuration of helium is [tex]1s^{2}[/tex].
Electronic configuration of neon is [tex]1s^{2}2s^{2}2p^{6}[/tex].
Electronic configuration of argon is [tex]1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}[/tex].
Electronic configuration of krypton is [tex]1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}[/tex].
Electronic configuration of xenon is [tex]1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}[/tex].
Electronic configuration of radon is [tex]1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{14}5d^{10}6s^{2}6p^{6}[/tex].
Therefore, we can conclude that krypton is the atom which is a noble gas in group 18, row 4.
How do meteorologists use isotherms and isobars?
A. To identity high- and low-pressure systems
B. To identify areas of high and low water vapor
C. To differentiate between seasons
D. To provide estimates for the amount of direct sunlight received
Answer:
A. To identity high- and low-pressure systems
Explanation:
Isobars are similar to the level lines on a topographic map, showing areas of similar pressure, they are also drawn in circles to represent the areas of similar air pressure over a geographical map.
Isotherms are usually displayed in color showing areas over a map that have the same temperature or are covered by a similar temperature system (heat or cold front for example).
Both are used in electronic media mostly (although in print in newspapers too), over a geographic map to position the systems.
What is speciation?
O A. Interbreeding between species
O B. The joining of two species
O C. The mating of two organisms
O D. The formation of species
Speciation is the process by which new species are formed due to genetic changes, typically resulting from geographic or reproductive isolation.
Explanation:Speciation, represented by option D, is the process by which new species are formed. It is a fundamental concept of evolution. Speciation occurs when genetic changes lead to the creation of new species, typically caused by geographic or reproductive isolation which hinders gene flow between populations. For example, if a group of animals of the same species becomes geographically isolated from the rest of its species, it may evolve to become a different species due to the unique formation of genetic traits in its isolated environment.
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What marked the end of the Precambrian period?
A. The appearance of complex, multicellular animals
B. The division between archaea and eukarya
C. The emergence of simple, protist-like animals
D. The development of DNA-based viruses
The emergence of sophisticated, multicellular animals in the Precambrian epoch is the earliest time in earth's history. It was distinguished by many evolutionary traits and peculiarities, hence option A is correct.
What is Precambrian period?Although the Precambrian accounts for almost seven-eighths of Earth's history, relatively little is known about it, and what is known has mostly been discovered after the 1960s.
The Precambrian fossil record is less extensive than that of the Phanerozoic that followed it, and Precambrian fossils (such as stromatolites) have limited biostratigraphic utility.
It is due to the fact that many Precambrian rocks have undergone extensive metamorphism, hiding their origins, while others have been eroded away or are buried deeply beneath Phanerozoic strata.
Therefore, the advent of complex, multicellular organisms that could carry out complicated tasks signaled the end of this era.
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The correct option is A. The appearance of complex, multicellular animals
The end of the Precambrian period was marked by the appearance of complex, multicellular animals.
This period, which lasted from about 4.6 billion years ago to around 541 million years ago, witnessed the development of various life forms, but the emergence of complex, multicellular organisms was a significant milestone.
This event is often associated with the beginning of the Paleozoic Era and the Cambrian Explosion, during which a rapid diversification of multicellular animal life occurred.
Option A, "The appearance of complex, multicellular animals," correctly represents the event that marked the end of the Precambrian period.
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Once glucose enters the body's cells, it is used to provide energy. What are the two main life processes for which that energy is used?
Answer:ATP, or adenosine triphosphate, is chemical energy the cell can use. It is the molecule that provides energy for your cells to perform work, such as moving your muscles as you walk down the street. But cellular respiration is slightly more complicated than just converting the energy from glucose into ATP.
Explanation:
The two main life processes for which energy is used include:
RespirationTransportationGlucose is readily absorbed into the cells of the body to provide the required
energy needed to perform various forms of activities in an optimal manner.
The energy derived are used in the process of our movement from one
place to another in search of food or to carry out other activities such as
running from danger etc.
It also helps in the process of respiration to ensure oxygen is adequately
inhaled and distributed to other parts of the body.
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Mangrove trees can only survive in moderately saline water. What are such organisms called?
They are called halophytic organisms.
Mangroves are woody trees that can survive in moderately saline water. These types of organisms are known as halophytes. They have adaptations such as aerial roots and pneumatophores to thrive in coastal wetlands with high salt content.
Genes are responsible for
Answer:
All aspects of life, making proteins and chromosomes.
Answer:
Genes are responsible for storing genetic information, which is saved to be transmitted to the offspring. Genes are found on chromosomes and contain all the necessary information on how each cell in the body should work; They also serve for the formation of proteins.
Both Darwin and Lamarck proposed mechanisms by which species might evolve. Although Darwin first published his ideas in the mid-1800s, most scientists continued to favor Lamarck's explanation until near the end of that century. What was the most likely cause of the eventual shift from Lamarck's hypothesis to that proposed by Darwin?
A new generation of scientists was more open to considering new ideas.
Lamarck's hypothesis did not take into consideration all that had been learned about genetics.
More evidence accumulated supporting Darwin's ideas than could be found to support Lamarck's.
It took several decades for Darwin's ideas to appear in textbooks and for scientists to learn about them.
Answer:
More evidence accumulated supporting Darwin's ideas than could be found to support Lamarck's.
Explanation:
The study of gradual change in species is called evolution. Evolution is a population phenomenon.
The correct answer is option C which is More evidence accumulated supporting Darwin's ideas than could be found to support Lamarck's.
What is genetics?The study of genes and inheritance is called genetics. There are different types of genes and one of them is recessive and the other is dominant.
According to the question, The darwin postulates are more suitable for Lamarck's statements.
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Identify the brain stem in the diagram below! Answer For Extra Points!!
1)C
2)A
3)D
4)B
Answer:
A
Explanation:
The brain stem is connects to the cerebrum with the spinal cord.
Answer:
The correct answer will be option-2 (A).
Explanation:
The brain is the main control centre of the body which is divided into three portions: the upper forebrain, middle midbrain and the lower hindbrain.
The hind-brain present in the lowest portion connects the brain with the spinal cord which consists of the pons, medulla oblongata and brainstem. The brainstem consists of the thalamus and hypothalamus which helps in coordination of the transmission of the signal from the brain to the body. It controls important functions of the body like breathing, digestion, walking and several other important functions.
Thus, option-2 (A) is the correct answer.
Michael notices that when he’s sick his body heat increases he wonders what other body systems interact together which of the following provides an example of two human body systems working together?
Michael's increased body heat during illness showcases the interaction between the nervous and immune systems. Shivering, controlled by the nervous system, is one way the muscular system helps regulate temperature. The integumentary system also plays a crucial role by dissipating or retaining heat.
Explanation:When Michael observes an increase in body heat during illness, this is due to the integrated responses of multiple body systems. For example, the nervous system and the immune system work together to regulate body temperature. The brain's temperature regulation center detects an increased body temperature through sensors and activates the heat-loss center. As a result, the body may induce shivering, increase blood flow to the skin, and enhance sweating to promote heat loss. Shivering is a muscular activity that generates heat, and this process is controlled by the nervous system in response to signals it receives about the body's core temperature.
Moreover, in conditions like type 1 diabetes, the endocrine system's failure to produce insulin also exemplifies how interconnected body systems are, impacting the cellular respiration process across all cells. The muscular system can also regulate body temperature, as during fever, muscles generate warmth by shivering.
Were there more producers than consumers and more consumers than predators on your pyramid? Why or why not? Were there any that could have fit in more than one category?
Answer:
If there is no grain available for the mouse the mouse population would die because it would have lost its main food source then the predator of the mouse would have less food resulting in a decrease in population
Explanation:
Answer:
Pyramid -"It is series of levels on which the different organisms are characterized on basis of there ecological levels or properties relating energy consumption or creation."
As some are producers which carry out while using various metabolic pathways to create energy for the whole biosphere or as whole for all the livings begins. As there are other organisms who consumes the energy created in the system or bio-sphere.
Explanation:
Pyramid (Ecological level)
So, the producers must be in large in number in the ecological level, so, that can be able to create more energy for the entire population of different specie to survive and sustain there body mechanism. And the consumers are there in low in number, due to the reason that there can be little to no scarce of energy. As energy created will be finished in no time,if the consumers are more in number as compared to the producers present on the lower level of the pyramid.Example:
If due to some reason, the producers at lower level become less in number, then there will be no grass available for the whole livestock population, which will obviously leads to decrease in its total population. As it will be also alarming for the consumers population at upper ecological level,which are also present at a high number or increasing population.Certainly life will be at risk on Earth if the number of producers creating the energy for survival of beings decreases at lower level of the pyramid.
What does DNA provide the code for?
Answer:
The correct answer will be proteins and essential molecules.
Explanation:
DNA is made up of sugar, a phosphate group and nitrogenous bases. These nitrogenous bases are read by the ribosomes during translation in a group of three bases called "triplets or codons". These codons provide the instructions for the synthesis of proteins as each codon codes for amino acids which make up a protein when bonded.
Thus, proteins and essential molecules are the correct answer.
Answer:
Protein Synthesis
Explanation:
A small box has a length of 2 cm, a width of 2 cm, and a height of 1 cm. If you built a larger box by doubling the length of each side, how many smaller boxes could fit inside the larger box?
A. 2
B. 4
C. 8
D. 16
Answer:
L2*W2*H1=V2
L4*W4*H2=V32
32/2=16
so your answer is 16 (D.)
(L=Length, W=Width, H= Height, V=Volume)
Brainliest plz :)
i took a test and 16 was wrong, the correct answer is actually 8 because you are doubling the sizes so it would be 4 x 4 x 2. which is 32. if we go back to what thenormal box sizes volume was, its 4. 32/4 is 8 :)
C.8 is your answer.
What's the relationship between the temperature and the density of a substance?
A. As the temperature decreases, the density decreases.
B. Temperature decreases the density of a substance only at high altitudes.
C. Temperature doesn't affect the density of a substance.
D. As the temperature increases, the density decreases.
Im pretty sure its C
Answer:
c
Explanation:
unsaturated and saturated lipids exhibit different characteristic based on their structures wich characteristic is unique to saturated fats
A:forms covalent, carbon-to-carbon bonds
B:is a liquid at room temperature
C:contains the maximum number of hydrogen atoms
Answer:
I believe the answer is C.
Explanation:
Hope my answer has helped you!
What are the functions of nerve cells
Answer: Simple background information is:
Neurons (also known as neurones, nerve cells and nerve fibers) are electrically excitable cells in the nervous system that function to process and transmit information.
Explanation:
Which means Neurons play a major role in functioning the cells. Which also is related to never cells:)
* Hopefully this helps:) Mark me the brainliest:)!!!
State a hypothesis based on the following questions:
What type of rocks do you think are present in your area?
Is one rock more common than another?
Why do you think this is so?
What do you think the streak will look like in your rock samples?
Do you think the rocks will be hard or soft?
Do you think calcium carbonate is present?
The area in which I live in is the Tikvesh valley, Macedonia. The rock types that dominate in my area are of two types, shale and andesite. The dispersal of these two totally different types of rocks is pretty much the same, so there isn't one that would dominate over the other. The reason why these two types of rocks are dominant in the area is because the area was underwater until 20 million years ago, so once the big lakes dried out, there were large layers of sedimentary rocks behind it, thus the shale. On the other hand, until 2.5 million years ago there was a volcano in the southern part of the area. The volcano had andesitic magma, so around the area where it was located there's predominantly layers of andesite. The streak in the rock samples is very simple, as they have very monotonous structure, their layers are not distinguishable when cut through. The shale is a soft rock, and it can be broken very easily, even by hand. The easiest way to break it though is to hit it with sharp object horizontally. The andesite is very hard rock, as it is an igneous rock. It has a much more solid structure, so breaking it is very hard. The presence of calcium carbonate in the area is lacking.
Final answer:
Provide a hypothesis about the types of rocks in the area, based on factors like visible grains, fossils, local geology, streak color, hardness, and the presence of calcium carbonate.
Explanation:
Hypothesis:
The rocks in the area are likely sedimentary in nature due to the presence of visible grains and possible fossils. One type of rock may be more common than others depending on the local geology, such as limestone in a region with abundant marine deposits. This prevalence could be due to specific geological formations in the area.
The streak in the rock samples may vary depending on their mineral composition, with some exhibiting distinct streak colors. The hardness of the rocks could also differ, with factors like compaction and cementation affecting their hardness levels. The presence of calcium carbonate may be indicated by effervescence when exposed to dilute hydrochloric acid.
Some people use genetic testing before becoming pregnant to find out whether A. Their child is likely to be tall. B. Their child is likely to have dawn syndrome. C. They’re carriers of a genetic disorder. D. They’re able to become pregnant
C. They're carriers of a genetic disorder.
Genetic testing can help screen for variants/mutations in potential parents' DNA. If one or both parents test negative, they will know their child will not inherit the disorder. Likewise, if they both are carriers, there is a chance their child could be affected, which is helpful information in determining whether to have their own children, or how to address their child's possible disorder.
Answer:
c.
Explanation:
When a child breaks a bone, which of the following is responsible for rebuilding new bone tissue in the fracture while it heals?
A. Osteoblasts
B. Osteoclasts
C. Osteoporosis
D. Osteocytes
Answer: Option 'A' is correct.
Explanation:
When a child breaks a bone, Osteoblasts is responsible for rebuilding new bone tissue in the fracture while it heals.
Because Osteoblasts build new bone if bones get broken somehow.
The new bone that built by Osteoblasts is known as "Osteoid", which is composed of bone collagen and other protein.
They control mineral and calcium decomposition.
Osteoblasts are found on the surface of new bone.
Hence, Option 'A' is correct.
Earth changes all the time, making it a _____ planet.
Earth changes all the time, making it a dynamic planet.
Answer:
The given blank can be filled with dynamic.
Explanation:
As shown by the main map through its topography, the planet Earth is regarded as a dynamic planet. These characteristics hugely reflect the Earth's major tectonic plates movements and movements of various smaller fragments of plates.
The Earth changes all the time due to gradual movements of plates leading to earthquakes and volcanic eruptions that further gives rise to the formation of novel things.
Cancer is a disease caused by
cells reversing the process of mitosis.
cells undergoing mitosis uncontrollably.
cells that have stopped undergoing mitosis.
cells that end up with extra DNA after mitosis.
Answer:
cells undergoing mitosis uncontrollably.
Cancer is a disease caused by cells undergoing mitosis uncontrollably which is in option b as when the normal regulatory mechanisms that control cell division become disrupted or damaged, cells can start dividing and multiplying without proper control.
Cancer is a complex and diverse group of diseases characterized by the uncontrolled growth and division of abnormal cells in the body. These abnormal cells, known as cancer cells, have the ability to invade nearby tissues and spread to other parts of the body through a process called metastasis. Cancer can develop in any part of the body and can affect various organs and tissues.
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