Even moderate alcohol consumption causes dis-balance in movement.
Explanation:
The alcohol consumption causes severe ill effects on brain, liver and other body parts.
It can lead to memory loss and intelligence loss. It disturbs the coordination of signalling of the brain to the body. The most affected part of the brain would be cerebellum even in moderate drinking which is the centre of balance and movement in the body.
The liver will be the most affected organ in the body.
Answer:
not enliven so it's probably poison
Explanation: I'm not 100% sure
What type cell undergoes meiosis?
Answer: reproductive cells only
Explanation: Because I am right !! Just right 100% -_-
Final answer:
Meiosis is a type of cell division that occurs in gamete-producing cells within the gonads, producing four haploid daughter cells from a diploid cell and contributing to genetic diversity in sexual reproduction.
Explanation:
The type of cell that undergoes meiosis is the gamete-producing cell. These cells are found in the gonads; specifically, in the testes of males and the ovaries of females.
During meiosis, which comprises two consecutive cell divisions known as meiosis I and meiosis II, a diploid cell with pairs of homologous chromosomes produces four haploid daughter cells. Each haploid daughter cell contains half the genetic material of the original cell, with one chromosome from each pair, leading to genetic diversity in sexual reproduction.
Meiosis is crucial for sexual reproduction because it ensures that gametes (sperm and eggs) carry only one set of chromosomes. This is important for maintaining the species-specific chromosome number when gametes unite during fertilization to form a zygote.
Therefore, meiosis not only contributes to genetic variation through crossing-over and independent assortment but also prepares cells for sexual reproduction through gametogenesis.
4. Analyze what would happen to this ecosystem if one of the primary consumers was removed from the ecosystem?
What would happen if a new tertiary consumer such as a mountain lion came into the ecosystem? Describe how each
level would be affected if each of these changes occurred.
Answer:
Due to a primary consumer being taken out there will be more producers and less secondary consumers because of the new tertiary consumer eating them and the lack of food for the secondary.
DNA is characterized by a single helix and ribose sugars
DNA, contrary to the question statement, has a double-helix structure containing two strands. Each strand is composed of nucleotides, which include a nitrogenous base, a deoxyribose sugar, and a phosphate group. Unlike DNA, RNA is single stranded and uses ribose sugars.
Explanation:Deoxyribonucleic acid, also known as DNA, is characterized by a double-helix structure. Contrary to the initial assumption in the question, DNA is not single-stranded but instead consists of two strands. Each strand is composed of nucleotides, which are comprised of a nitrogenous base, a five-carbon sugar called deoxyribose, and a phosphate group. In the DNA's structure, the sugar and phosphate form the backbone of the DNA, lying on the outside of the helix.
The nucleotides on each strand are bound together using covalent bonds, connecting the phosphate group of one nucleotide to the deoxyribose sugar of the next. The two complementary strands of DNA bind to each other at their respective nitrogenous bases with hydrogen bonds, forming base pairs. It's also important to note that the two strands run in opposite hyperlinked directions, with the 5' carbon end of one strand facing the 3' carbon end of its matching strand. This orientation is referred to as an antiparallel orientation.
On the other hand, ribonucleic acid, or RNA, is traditionally single-stranded and contains ribose sugars as opposed to deoxyribose. It serves multiple functions in the process of translating the genetic code in DNA into protein formation.
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suggest what physiological structural or behavioral features might be important to the striped shore crabs survival
The striped shore crabs' survival is dependent on physiological, structural, and behavioral features. The hard exoskeleton provides protection and prevents dehydration. The claws offer offense and defense capabilities. Behaviorally, being nocturnal, digging for protection or to lay eggs, and dietary adaptability contribute to their survival.
Explanation:The survival of the striped shore crab is dependent on both physiological structural and behavioral features. Physiologically, their exoskeleton provides necessary protection from predators and harsh environmental conditions. This hard, chitinous shell also helps prevent dehydration by reducing water loss. Structurally, their claws are instrumental in both offense and defense, and their compact body allows them to fit into small crevices for protection or to search for food.
With regards to behavior, the striped shore crab is mainly nocturnal, which lowers its exposure to daytime predators and high temperatures. They also have the behavior of digging into the sand to escape predators and to lay eggs, and can adapt their diet based on available food sources, demonstrating behavioral adaptability.
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3. How much a machine changes its input force is its __
input output
mechanical advantage
none of the above
plz help
Mechanical advantage is the answer.
Option B.
Explanation:A machine is defined as the instrument which is used to perform some task easily, and with ease. A machine has the capability to give an output force in exchange of an input force. Now the ratio of the output force to input force is called as the mechanical advantage.
Mechanical advantage = Output force / input force.
For example, in case of a lever, there are three types - first class lever, second class lever, and third class lever. Mechanical advantage for a second class lever is always more than one, as we get more output force than input force. Similarly, the mechanical advantage for a third class lever is always less than 1, and mechanical advantage of first class lever can be both more or less or equal to one.
2. What is the difference between consumers and producers?
3. How are primary consumers, tertiary consumers and secondary consumers related? To earn full credit, you
must explain how they interact with each other.
4. Does the arrow point to the predator or the prey in a food web?
5. Read the descriptions and identify each organism by their trophic level
Shrew - a large wetland rodent that gets its energy from small insects.
Snake - a carnivorous wetland reptile that gets its energy from eating rodents and frogs
Marsh grass - a wetland grass that, like all plants, gets its energy from the sun. This plant provides energy for
insects in the wetland food web.
Frog -- An amphibian hat mainly gets its energy from hunting insects
Hawk - A top wetland predator which gets its energy from large wetland organisms such as snakes and shrews.
Grasshopper - a wetland insect that gets its energy from plants
Tertiary Consumers
and Higher
Secondary Consumers
2. Producers are autotrophs while the consumers are heterotrophs in nature.
3. The primary consumers are the herbivores who get food from the producers, primary consumers are eaten by secondary consumers, they are carnivores and eventually, secondary consumers obtain their nutrition from secondary consumers. Secondary consumers can eat both omnivores and carnivore as their energy source.
4. Arrow point is at the predator
prey⇒predator.
5 marsh grass (producer) is eaten by grasshopper (primary consumer), is consumed by shrew or frog (secondary consumer) are eaten by snake (tertiary consumer) is eventually consumed by hawk (higher consumer k/a the axial consumers).
It is to be noted that hawk can consume both snake and frog. Also, frog can prey upon shrew.
Explanation:
2.Producers are green plants and some bacteria which can manufacture their food from sunlight, they are the one who initiates the food chain.
The heterotrophs get their nutrition from these plants and chain continues to be axial consumers.
3. In this hierarchy the energy is being transferred in the upward direction. The biomass is also segregated in the same hierarchy. This chain is necessary to maintain the stability of the ecosystem.
A Jewish couple is about to be married but they both worry about their family history. The man's uncle and the women's aunt died of Tay Sachs disease. Infer why the couple is hiring a genetic counselor analyze their families pedigree.
Answer:
A Jewish couple is about to be married but they both worry about their family history. The man's uncle and the women's aunt died of Tay Sachs disease. Infer why the couple is hiring a genetic counselor analyze their families pedigree.
Reasons are not far-fetched, both intended couple might carry a dominant gene for Tay Sachs disease or one of them has a dominant gene for such, it is pertinent a genetic counselor analyze their family pedegree in order to avoid having such disease or passing it to their offspring.
The chances of either of the intended couple to carry such dominant gene of the disease is imminent.
Explanation:
Which of the following does a bacteriophage NOT have?
O
protein
O DNA
nucleus
none of the above
Bacteriophage doesn't have a nucleus.
Option C.
Explanation:Bacteriophage is a virus that is present in our surroundings. Its a phage virus that attacks bacteria and killing it. Bacteriophage has a tadpole like structure with a polygonal head and a neck and 6 tails. The polygonal head is formed of carbohydrates, along with the neck and tails. The head has inside it DNA that is its nucleic acid and genetic material. It's not enclosed in any nucleus. It has some proteins inside the head too.
The phage virus attaches itself with bacteria and drills the bacterial cell wall by the neck and pushes the genetic material inside as a mode of infection.
ANSWER FIRST AND GET BRAINIEST
Now that you are more familiar with the benefits, risks, and impacts of biotechnology, it is time for you to take a stand! Your task is to choose one of the following types of biotechnology: genetic engineering, cloning, or artificial selection.
Choice:Artificial Selection
one benefit or one risk for the individual (based on whether you are for or against it)
one benefit or one risk for society (based on whether you are for or against it)
one benefit or one risk for the environment (based on whether you are for or against it)
Answer:Like all electronics, biotechnology offers the potential of excessive benefit but still potential risks. Biotechnology could help address many worldwide questions, in the way that temperature change, an mellowing organization, food safety, strength freedom and catching afflictions, to name just a few.
Answer:
Genetic Engineering was my choice because. Using genetic engineering can help produce greater quantities of food and more vitamins. This will help feed many more people in this growing population, us improving society and the individual. By changing the genetics of bacteria and plants, toxic waste can be reduced in the environment.
Explanation:
yw
What are nucleic acids
Answer:
very large and complex organic molecules that contain the genetic code for that organism called RNA and DNA.
Explanation:
During meiosis chromosomes will split into daughter cells randomly, making each gamete unique this is called what
Answer:
Independent assortment
Explanation:
Indepedent assortment was initially a law proposed by Mendel, which states that any given allele is inherited independently from any other given allele. This occurs because of meiosis, where different daughter cells (gametes) are formed with different combinations of chromsomes, each containing different patterns of alleles.
Final answer:
During meiosis, the process by which gametes are produced, homologous chromosomes are randomly distributed to daughter cells in a phenomenon known as independent assortment, leading to each gamete being genetically unique.
Explanation:
When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and chromosomes segregate independently of each other, a process known as independent assortment. This produces gametes, such as sperm and egg cells, that have unique combinations of chromosomes, contributing to genetic diversity. With humans having 23 pairs of chromosomes, this randomness in the assortment allows for over 8 million different combinations in each human gamete.
Specifically, during meiosis I, homologous chromosomes pair up and may exchange genetic material through crossover. This not only produces recombinant chromatids with new combinations of maternal and paternal genes but also ensures that each gamete receives a different mix of these genes. In meiosis II, akin to mitotic division, the sister chromatids separate into four unique haploid cells.
This process gives rise to the vast genetic variation seen in sexual reproduction. Upon fertilization, which is a sperm cell uniting with an egg cell, these unique combinations mix further, enhancing the possibility for variation.
Which best describes what type of fungus this is?
yeast, because its spores are produced in round cases at the top of the hyphae
yeast, because it is growing on a piece of food
mold, because it is growing on a piece of food (incorrect)
mold, because its spores are produced in round cases at the top of the hyphae
Answer:
D; mold, beacause its spores are produced in round cases at the top of the hyphae
Explanation:
Answer: D mold, beacause its spores are produced in round cases at the top of the hyphae
Explanation:
What process is applied to identify mutations or errors in dna molecules
Answer:
DNA sequencing
Explanation:
Mutation can be described as a change which occurs in the DNA of an organism. It might be natural or it my be induced.
DNA sequencing can be described as a process in which the sequence or pattern of arrangement of nucleotides in the DNA. This pattern reading allows to see the differences which arise due to mutations. The normal sequence can be compared to the sequence in which error has occurred so that the error can be diagnosed.
After Michelle went on vacation for two weeks, she came home to find her potted plants had turned brown and died. The soil was very dry. While Michelle was away, she kept the curtains and windows closed and did not have a neighbor come by to water her plants. Michelle now realizes that she will have to do things differently the next time she is away for several days if she wants to keep her plants alive. Why is it important for Michelle to make sure her plants have their needs meet while she is away?
Answer:
Michelle needs to take proper care of her plants if she wants to keep them healthy and alive. Her plants will die if she neglects them.
Explanation:
Her plants will die without water and proper sunlight. This is why her plants died because she had her windows closed, so no sunlight, and didn't get anyone to water her plants, so they were too dry.
Where would you accept to see a plant that does not have a vascular system
Answer:
We can see non vascular system plants near the water sources.
Explanation:
Non vascular plants are the plants that lack the xylem and phloem system (i.e vascular system).The non vascular plants grow in the moist and damp places, so we would expect the non vascular plant to be present in the places where water source is near or presence of water is abundant.Without depending upon the roots they directly absorb water that is required to the main parts of plants.Near water sources or moist areas, why? Because nonvascular ( as the name suggests ) do not have vascular systems to transport water, so they must do so with more difficulty, henceforth, they must be near a water source to absorb any water to survive.
Vascular plants that have Seeds surrounded by Fruit are called
Vascular plants that have seeds surrounded by fruit are called as Angiosperms.
Explanation:Plants that have specialized vascular tissues that carry materials from one part of the plant to another is a vascular plant. The two types of vascular tissue, xylem and phloem, help in transportation of water, minerals, and the products of photosynthesis throughout the plant. Two types of vascular plants that produce seeds are : Gymnosperms and Angiosperms.
Gymnosperms are plants whose seeds are not enclosed by a fruit. The seeds are unenclosed or present on the surface or leaves. These seed are configured as cones. E.g: Cedar, pine
Angiosperms are fruit-bearing flowering plants with their seeds enclosed inside a fruit or flower. E.g: Apple, Eggplant
There are two main groups, gymnosperms, and angiosperms, since I know that gymnosperms have no fruit around their seeds, I would believe the answer to be angiosperms.
Hope this helps, if not, comment below please!!!!
8. Why is the formation of new species difficult to study?
A. Species formation occurs too rapidly to be observed,
B. The fossil record of species formation is incomplete.
C. Evidence of species formation has not been discovered.
Answer:
B
Explanation:
I believe it is B. as we dont have all fossils
Compare homologous and analogous structures
Answer:
In the field of comparative anatomy, homologous structures can be described as structures which are present in different organisms which are similar and show that the organisms had a common ancestor in the past. On the other hand, analogous structures can be described as structures which are similar in function but might not possess a common origin.
Example of the homologous structure is the forelimb of dogs, humans and birds. All these structures might not perform the same function but are structurally similar.
Example of analogous structure includes the wings of a bat and bird. Although similar in function, they do not show a common origin.
Which describes how a compass works?
) A. The magnetic north pole of the compass points to Earth's
geographic North Pole.
O
B. The magnetic north pole of the compass points to Earth's north
magnetic pole
O
C. The south magnetic pole of the compass points to Earth's north
magnetic pole.
O
D. The south magnetic pole of the compass points to Earth's
geographic North Pole.
The describes how a compass works is C. The south magnetic pole of the compass points to Earth's north magnetic pole.
How is the compass work?A compass works through detecting and responding to the Earth's magnetic fields. The Earth has an iron center that is a part liquid and element strong crystal, because of gravitational pressure. It is thought that motion withinside the liquid outer center is what produces the Earth's magnetic field.
The arrow of the compass needle is named because the north pole and the alternative quit because the south pole. A compass has a magnetic needle connected to it that can rotate freely. The magnet usually factors to the north-south course that's marked on the compass and as a result, facilitates in locating the course.
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Answer:
Explanation:
c the south magnetic pole of the compass points to earth's north magnetic pole
Name one benefit and one limitation of comparative investigations
Answer:
Comparative investigations mean collecting the data of different organisms,objects and features on different conditions like time, temperature and location to compare what similarities and dissimilarities are present between two organisms.
Explanation:
Advantage-
Easy method that gives information between two or more variables.It contain scientific inquiry like-observation, scientific question,Hypothesis,Procedure, Data, graph, analysis and conclusion.Limitations-
It includes every possible experimental parts except control groups.Are Asian elephants more closely related to a mammoth or a mastodon
Answer:
Mastodon
Explanation:
i believe
Answer:
But a family tree based on the DNA of elephants, mammoth and mastodon shows that Asian elephants are more closely related to mammoths than they are to African elephants
Explanation:
Build a simple fire extinguisher model that can work at home using recycled materials. The appliance must be able to extinguish the fire caused by gas and oil stoves... just describe how it works.
Answer:
just get a bucket of water and some detergent turn it very well for it to miss together, then pure it on the fire
A simple fire extinguisher model using household items involves a reaction between baking soda and vinegar to produce carbon dioxide, which can smother the flames of a small fire. It's important to note that this is only a model and should not replace a proper fire extinguisher. Fire safety measures including knowing how to use a fire extinguisher, having a fire blanket on hand, and first aid knowledge are crucial.
To build a simple fire extinguisher model using recycled materials, you can create a reaction that produces carbon dioxide (CO2), which is commonly used in fire extinguishers to douse flames without leaving a residue. Here's a basic idea of how it works:
Rock that is cooled and solidified above ground is called:
intrusive
extrusive
batholith
laccolith
Answer:
Rock that is cooled and solidified above ground is called as extrusive.
Explanation:
The extrusive rocks is an type of igneous Rock. They are produced through the crystallisation process of the molten silicate material that comes out to the earth's surface during the volcanic eruptions.The rocks present below that mantle is melted due to high temperature and the molten magma is pushed out due to high pressure. This magma on reaching the earth's surface cools down rapidly forming extrusive rocks. Rhyolite, andesite are some examples of extrusive rocks. Extrusive rocks contains very few grains that are larger in size
what are two ways that crossing over contributes to genetic variation
Crossing over during meiosis creates recombinant chromatids with new combinations of genes and increases genetic diversity in gametes. This results in a high potential for genetic variation in the offspring produced through sexual reproduction.
Explanation:Crossing over is a critical mechanism in genetics that contributes to genetic variation in sexually reproducing organisms. This process occurs during prophase I of meiosis, where homologous chromosomes pair up and exchange genetic material, creating new combinations of genes. Here are two key ways that crossing over contributes to genetic variation:
Creation of recombinant chromatids: A single crossover event between homologous non-sister chromatids results in the reciprocal exchange of equivalent DNA segments. This exchange mixes the genetic material contributed by the maternal and paternal chromosomes, leading to new combinations of alleles on each chromatid.Increased diversity in gametes: Since crossing over can happen at various positions along the chromosomes, different gametes produced by meiosis will carry different combinations of maternal and paternal genes. This leads to a vast number of possible genetic combinations when gametes fuse during fertilization, contributing significantly to the genetic diversity of offspring.These mechanisms, along with independent assortment and random fertilization, ensure that each individual produced through sexual reproduction has a unique genetic makeup. For example, in humans, this can result in more than 64 trillion genetically unique potential combinations from just one couple.
.
What are the major factors that cause cell growth?
Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.
Which of the following is not a type of endocytosis? phagocytosis pinocytosis receptor-mediated endocytosis constitutive secretion
Answer:
Which of the following is not a type of endocytosis?
constitutive secretion
Explanation:
There are only three types of endocytosis namely; phagocytosis, pinocytosis and receptor-mediated endocytosis
The breakdown of the cell membrane to get the food is called endocytosis. Amoeba is one of the species which perform endocytosis.
These are the steps involved in the endocytosis:-
Cover the preyMake a cup around the prey from the plasma membraneBreakdown the cell membrane and get the foodMost of the unicellular species do endocytosis for food, other cells also do this to remove the waste material from the cell.
According to the question, the correct option is constitutive secretion.
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In a population of white and brown rats, 16% of the population is white. if white hair is recessive to brown, what frequency of individuals have a homozygous dominant genotype?
0.36
Explanation:
For the recessive trait to show in the phenotype, the individual has to be homozygous recessive for the gene. Therefore if we designate the allele for White color as r and that of Brown as R;
rr = 16% = 0.16 → This is the gene frequency for recessive population
To find the allele frequency
√0.16
= 0.4
Remember the hardy Weinberg principle of allele; All allelic frequency of a gene adds up to 1 in an ideal population (that observes certain assumptions).
p + q = 1
p + 0.4 = 1
p = 1 – 0.4
p = 0.6
The allelic frequency of Brown hair is 0.6.
The frequency of individuals of a homozygous dominant genotype will be;
P² + 2pq + q² = 1
0.6 * 0.6 = 0.36
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In a population following Hardy-Weinberg equilibrium with 16% white (recessive) rats, the frequency of the homozygous dominant genotype for brown rats is found by first calculating the frequency of the recessive allele (q = 0.4) and then using it to find the dominant allele frequency (p = 0.6) which leads to a 36% frequency of the homozygous dominant genotype.
Explanation:In a population where white rats are recessive to brown rats, and 16% of the population is white, we need to find the frequency of individuals with a homozygous dominant genotype for brown fur. Assuming the population is in Hardy-Weinberg equilibrium, the frequency of white rats (recessive phenotype) is represented by q².
Given that q² equals 0.16 for white rats, we can find q by taking the square root of 0.16, yielding q = 0.4. Since the frequency of alleles in a population must sum to 1 (p + q = 1), we can calculate p, the frequency of the dominant allele, as p = 1 - q = 0.6. Therefore, the frequency of the homozygous dominant genotype, represented by p², is calculated as (0.6)² = 0.36 or 36%.
So, in this population, 36 out of 100 rats are homozygous dominant for brown fur. The remaining individuals with brown fur, which would be 48%, would be heterozygotes (2pq), carrying both a dominant and a recessive allele.
A gene that shows its trait and prevents the expression of another trait is said to be:
Answer:
Dominant or heterozygous
Explanation:
What are the products of that set of reactions?photosynthesis
Answer:Sugar(Glucose) and water
Explanation: photosynthesis is the process in which green plants produces there food using energy from sunlight ,carbondioxide and water. The end product is Sugar and oxygen. The sugar is what plants uses as food and oxygen is released into the atmosphere for human use.
The equation of reaction is,
6CO2+6H20+ Light energy------------C6H12O6 +6O2
Forms when a cooler air mass displaces a warmer air mass and usually indicates drops in temperature, heavy rains, and sometimes hail, thunder, or lightning.
Answer: Cold Front
Explanation: When cooler air mass pushes warm air mass it rise into the atmosphere since it is less dense forming clouds. During a cold front there is a relative decrease in the air temperature where the cooler air mass moved.