how a population can become reproductively isolated leading to new species.
Answer:
Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation
For how many hours could an average person be sustained by the body's stored glycogen under resting conditions?
Answer:
The correct answer to the following question will be "12-14 hours".
Explanation:
Glycogen has always been processed throughout the skeleton's liver as well as muscle cells, which lead to the generation of power generation whenever the body can handle it. This seems to be a polyacrylamide, which represents the physical species as a type of power. This could be processed for 12-14 hours in repose throughout the living organism (human body).Daniel expanded the expression as shown. Negative 2 (Negative 8 x minus 4 y + three-fourths) = negative 10 x minus 8 y minus 1 and one-fourth What errors did he make? Select three options. The first term should be positive. The second term should be positive. The last term should be Negative 1 and one-half, not Negative 1 and one-fourth. He divided Negative 8 by Negative 2 instead of multiplying Negative 8 by Negative 2. He did not simplify the expression completely.
Answer:
1st option, 2nd option, and third option.
Explanation:
Did this problem and got it right with these answers! :)
Answer:
a, b, and c
Explanation:
it really surprised me. trust me I'm not lying. I promise
he most abundant element in the atmosphere can also be found in
Answer:
Beans and whey protein.
Explanation:
The most abundant element in the atmosphere is nitrogen, and both beans and whey protein contain nitrogen.
Hope this helps! :)
Answer:
All living organisms
Explanation:
The most abundant element in the atmosphere is nitrogen. All the living organisms including plants and animals have nitrogen. It is found in amino acids and is essential for growth.
During the process of _____, mRNA decodes information from the original DNA master plan to build proteins in the ribosomes. translation transcription replication
Answer:
translation
Explanation:
Why would you expect there to be fewer frogs than worms is this ecosystem?
Biology shows us the fossil record and comparative anatomies. Chemistry shows us that organic molecules can come from inorganic matter. Geology shows us that organisms that used to live together are found on separate continents due to continental drift.
Which fields of science provide evidence for evolution?
biology only
biology and chemistry only
biology and geology only
biology, chemistry, and geology
Answer:
biology, chemistry, and geology
Explanation:
Biology, chemistry, and geology are the fields of science that provide evidence for evolution, hence option D is correct.
What is the evidence of evolution?The uniformity of the fossil sequence from ancient to modern is possibly the strongest fossil evidence for evolution.
Fossils are a reflection of evolution and geological change due to their global distribution of organisms and distinctive traits of island species. The existence of species that are related to modern species but are now extinct is documented through fossils.
It is the series of slow, irreversible changes that occurred in early creatures over millions of years to give rise to new species we know today. Errors in DNA copying and sexual reproduction are mostly to blame for variations that led to the emergence of new species.
Therefore, biology, chemistry, and geology are the fields of science that provide evidence for evolution.
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What happens to the soil fertility if some Rhizobium bacteria are added to the soil? Explain your answer
Answer:
if rhizobium bacteria is added to the soil the soils nitrogen levels will increase.
this because that the rhizobium bacteria is able to convert atmospheric nitrogen into a more soluble form .plants arent able to absorb nitrogen directly from the air so the rhizobium helps the plants to obtain nitrogen.
Answer:
The soil will be rich in nitrogen salts and its fertility increases.
Explanation:
the bacteria fixes nitrogen level in the soil by converting nitrogen from the air into nitrogen salts and form nitrates that plants can use easily.
The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder. The mother of the individuals circled in pink is not shown on the pedigree. Based on the phenotypes of these individuals and their father, what are the possible genotypes of their mother? Check all of the boxes that apply
Answer:
The right answers are: XAXA and XAXa
Explanation:
A genetic disease is caused by an X-linked recessive inheritance when:
1. the gene present on the x linked chromosome, involved in the mutation.
2. The presence of both mutant alleles is necessary for the disease to be expressed in a female.
As per the image, the mother has always transferred a healthy allele (XA) so the answers are the genotypes carrying this allele.
Thus, the right answers are: XAXA and XAXa
The sequence of this single strand of DNA is ATTCGGCTATTTACGATTGCCAT. To complete this model, what should the nucleotides on the other strand be? Start with the top of the strand and work down. a DNA strand composed of four bases-adenine, guanine, cytosine, and thymine
Answer:
The sequence of the other strand of DNA is TAAGCCGATAAATGCTAACGGTA.
Hope this helps!
Explanation:
What is the basic unit of life? A. An atom B. A cell C. An organism D. An organ
Answer:
B. A cell
Explanation:
The cell is needed for every living organism and is one of the most basic units of life. Cells are like building blocks in an organism.
Hope this helped! :)
Which results in mechanical digestion in the stomach?
Answer:
The term mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can be done by digestive enzymes, hydrochloric acid. Mechanical digestion in the stomach results in the formation of bolus.
Explanation:
i hope this will help you :)
What does the data in the graph predict?
A) muscles should shiver with greater force as the body becomes colder
B) muscles should shiver with less force as the body becomes colder
C) the greater the size of a muscle, the more heat it produces
D) the smaller the size of a muscle, the more heat it produces
Answer:
B
Explanation:
What do a sunflower and a lion living 50 years ago have in common? A.the both got their energy from plants B.they contained the same amount of energy C.they may have shared some of the same matter D. They both got their energy from the sun
Answer:
A. they both got there energy from plants
Explanation:
l don't know
Answer:
B. They contained the same amount of energy
Explanation:
In which biome would you expect to find warm to hot conditions with a large amount of moisture?
Tropical desert
Chaparral
Temperate forest
Tropical rainforest
Protein kinases are enzymes that act on other enzymes by adding phosphates groups. When the enzyme is phosphorylated, it changes its activity (it becomes more or less active, depending on the enzyme). This regulatory mechanism of enzymatic activity is called
Answer:
The regulatory mechanism of enzymatic activity is known as Phosphorylation
Explanation:
Phosphorylation usually results in a functional change of the target protein (substrate) by changing enzyme activity, cellular location, or association with other proteins.
Answer:
The feedback inhibition regulatory mechanism. They do this by causing phosphorylation of the other enzyme.
Explanation:
There are two ways by which enzymes can be controlled or regulated. This includes
1. Controlling the synthesis of the enzyme (this relates to a genetic control)
2. Controlling the activity of the enzyme (feedback inhibition).
In this example here, the protein kinases act on other enzymes by adding phosphates groups bringing about phosphorylation and controlling or regulating the activity of these enzymes. Thus, this type of regularly is the feedback inhibition regulatory mechanism.
Which of the following statements best describes the relationship between the themes of “place” and “human-environment interaction”?
A.
Characteristics of “place” include things like economic activity, architecture, and culture, all of which are human elements that alter or can be influenced by the environment.
B.
Human-environment interaction has to occur in a place.
C.
Coordinates shows humans where a particular place is located.
D.
Humans migrate or move from one place to another.
Answer:
It's A
Explanation:
Sorry the other guy was no help.
plsss help me
Which of the following choices is not a result of Meiosis?
production of more cells
mix up of the combinations of alleles
recombination
combination
Combination is not a result of Meiosis because in meiosis cell division recombination of alleles occur.
What is meiosis?Meiosis is a type of cell division in which a single parent divides into four daughter cells having half number of chromosomes.. This type of cell division occurs in sex cells of an organism. In meiosis, a diploid cell is divided into haploid cells.
So we can conclude that Combination is not a result of Meiosis because in meiosis cell division recombination of alleles occur.
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The combination is not a term referred to the cell division process called Meiosis.
What is meiosis?Meiosis is a type of cell division that generates four daughter cells having half genetic material.
Meiosis generate four different germinal recombined cells, whereas mitosis generates somatic cells.
In conclusion, the combination is not a term referred to the cell division process called Meiosis.
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What challenges do you think parasites face in their survival? How can these challenges affect the parasite?
In anaphase I of meiosis, ______ separate while in anaphase of mitosis ______ separate microtubules, microfilaments spindle fiber, nuclear envelope nuclear envelope, spindle fiber sister chromatids, homologous chromosomes homologous chromosomes, sister chromatids
Answer:
In anaphase I of meiosis, the homologous chromosomes separate while in anaphase of mitosis the sister chromatids separate
Explanation:
During meiosis I, the chromosomes are duplicated (i.e., they are bivalents). Moreover, in Anaphase I, the sister chromatids continue attached to each other, while homologous bivalent chromosomes already condensed in prophase I separate.
The spindle fibers are a type of microtubule that helps to separate the genetic material during cell division.
The microfilaments are structures formed by actin subunits and they form a contractile ring during cytokinesis, or cytoplasm division.
1. . _____ ,_____ and _______ are the three substances present inside a cell.
Answer:
protein lipids and water
Explanation:
they are amongst the substances found in a cell
what causes competition in an eco system?
Answer:
Increasing members in the higher trophic level causes competition in an ecosystem.
Explanation:
For example, if there is a shortage of producers, the primary consumers will face a higher competition for food. Thus, many will die. Death of primary consumers will increase the competition in secondary consumers as they are left with less food options. This will go on till the tertiary consumer, and the competition will continue until each trophic level is balanced.
Answer: Competition in ecosystems.
Explanation:
Competition will occur between organisms in an ecosystem when their niches overlap, they both try to use the same resource and the resource is in short supply. Animals compete for food, water and space to live.
Scientists have a theory about the relationship between climate and biodiversity. Which best describes this theory?
Options are not given in the question, so the complete question is as follows:
Scientists have a theory about the relationship between climate and biodiversity. Which best describes this theory?
A) Warmer climates promote higher biodiversity, allowing plants to grow year-round. This supports more organisms that rely on plants.
B) Colder climates promote higher biodiversity, reducing the competition among organisms for food. This supports stronger organisms that live longer.
C) Warmer climates promote higher biodiversity because they tend to receive more rainfall. This provides a source of water for more organisms.
D) Colder climates promote higher biodiversity because they are usually larger in size. This provides space for more organisms
Answer:
C)
Explanation:
Climate and biodiversity have a close relationship with each other.
The theory that best describes this relationship is that "Warmer climates are responsible for higher amount of rainfall and give rise to higher biodiversity and also provide a source of water for existing organisms."
Hence, the correct option is "C".
Answer:
Answer C ik i took the test lol
Explanation:
edg 2020
What kind of carbohydrate does rice contain?
Answer:
Rice contain complex carbohydrates or starches.
How are the daughter cells produced by meiosis
different from those produced by mitosis?
Answer:
In mitosis, the daughter cells have the same number of chromosomes as the parent cell. But, in while meiosis, the daughter cells have half the number of chromosomes as the parent.
The daughter cells produced by mitosis are identical, whereas the daughter cells produced by meiosis are different because crossing over has occurred.
Explanation:
In mitosis, the cells of the daughter are as many chromosomes as the cell of the parent, and the cells of the daughter in meiosis are as many as the chromosome of the parent. Mitosis-generated daughter cells are similar, while meiosis-generated daughter cells are special as they cross.
Hope this helps!
describe the full carbon cycle in detail
Answer:
The Carbon Cycle
Carbon moves from the atmosphere to plants. ... Plants to animals. ... Plants and animals to soils. ... Carbon moves from living things to the atmosphere. ... Carbon moves from fossil fuels to the atmosphere when fuels are burned. ... Carbon moves from the atmosphere to the oceans.Explanation:
The carbon cycle is the process in which carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere. Plants take carbon dioxide from the air and use it to make food. Animals then eat the food and carbon is stored in their bodies or released as CO2 through respiration.
Have a good day and stay safe!
Which of the following activities contributes most to climate change?
A. Running a mile
B. Heating your home
C. Reading a book
D. Turning on a light
Answer:
heating your house
Explanation:
it makes up the house's carbon footprint
How to grow taller? Please explain in great detail
Answer:
try to jump and reach high places like roofs this will help you greatly
Explanation:
Sheryl is observing ovarian slides taken from a female ape. All the cells show crossover chromosomes. What is this stage?
ОА
meiotic prophasel
ОВ.
meiotic prophase II
Ос.
meiotic metaphase
Answer:
meiotic prophasel
Explanation:
Crossing-over is a unique phenomenon that only occurs during meiotic division or gamete formation. It is the process whereby non-sister chromatids of homologous chromosomes exchange a portion of the their chromosome.
Crossing-over occurs specifically in the Prophase 1 stage of meiosis, where homologous chromosomes lie side by side to form a TETRAD structure and exchange their chromosomal segment. Crossing-over aims at promoting genetic diversity among sexually-reproducing organisms.
Therefore, an ovarian slide observed to show crossing-over occurs at the Prophase I stage of meiosis 1.
Instructions on how to control your cells are contained in what part of the DNA?
A. Pentose Sugar
B. Phosphate group
Hydrogen bonds
D. Nucleotide bases
Answer:
D. Nucleotide bases
Explanation:
Hope it helps.
Nucleotide bases of the DNA contain the instructions on how to control cells.
How does DNA control cells?The hundreds of distinct types of proteins that are produced by cells are coded by the nucleotide sequences that make up DNA. These proteins control and regulate cell development, division, communication with other cells, and the majority of other cellular functions. This is the reason why nucleotide sequences found in DNA are referred to as carrying or storing information.Protein synthesis:
The sequences must first be "decoded," and the protein must then be translated. It is known as protein synthesis.
Transcription (first stage of protein synthesis): The process of copying information from a strand of DNA into a messenger RNA (mRNA) molecule is called transcription. DNA preserves genetic material as a reference or template safely and permanently in the cell nuclei.Translation (second stage of protein synthesis): The process of translation converts the information carried by messenger RNA from DNA into a string of amino acids. Essentially, it involves translating a code (nucleotide sequence) into another code (amino acid sequence).Learn more about protein synthesis here:
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