What is DNA polymerase able to do so that mutations are avoided during replication?


repair the DNA ​


add more codes


encode a message


repair itself

Answer:

Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect. Click the image for a larger view.

Explanation:

Answer:

standardized

internet satellite mapping system

Explanation:

it says it right in the senario its standard mapping satalite technology

Answer:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Explanation:

May i have Brainiest

Answer:

answer B

Explanation:

Answer:

the anwser is A. Substitution

Explanation:

hope this helps :) the heres the explanation

Answer:

a b c or d its difrent every time its substitution

Explanation:

An animal without a body cavity is called c. Acoelomic.

As for the second question, the set of physical characteristics that is used to classify animal groups is c. Body cavity type.

Acoelomic. Acoelomates are animals that do not have a body cavity or coelom. The coelom is a fluid-filled space that separates the digestive tract from the outer body wall. Acoelomates include animals such as flatworms and tapeworms.

Animals are classified into different groups based on the presence or absence of a body cavity and the type of body cavity they have. There are three main types of body cavities: acoelomates (no body cavity), pseudocoelomates (a body cavity that is not completely lined with mesoderm), and coelomates (a body cavity that is completely lined with mesoderm).

These classifications are important for understanding the evolutionary relationships between different animal groups.

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Answer:

(1) internal regularors

Answer:The correct answer is option C. "Bacteria".

Explanation:he biosphere is the layer of the Earth where all living organisms live and interact with each other. The biosphere is a broad concept that includes all the regions of the Earth where an organism can live or where organic material can exist. Since bacteria is a living microorganism, it is considered a component of the biosphere.

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This results in multiple mature mRNA molecules, called transcript variants, which are then translated into different polypeptide chains.

A single sequence variant can appear in different amino acid positions in the polypeptides translated from transcript variants of a single gene due to alternative splicing. Alternative splicing is a process where exons, the coding regions of a gene, are selectively included or excluded from the pre-mRNA.

The presence of a sequence variant, or a mutation in the DNA, can alter the amino acid sequence in the resulting polypeptides. Since different transcript variants may include or exclude certain exons, the sequence variant may appear in different positions within these polypeptides, leading to diverse functional consequences for the resulting proteins.

This molecular mechanism allows a single gene to encode multiple protein isoforms with potentially distinct functions , increasing the functional diversity and complexity of the proteome within an organism

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A single sequence variant can appear in different amino acid positions in the polypeptides translated from transcript variants of a single gene through a process called alternative splicing.

1. Transcription: The DNA sequence of a single gene is transcribed into pre-mRNA.
2. Alternative splicing: The pre-mRNA undergoes alternative splicing, which is the process where different combinations of exons (coding regions) are included or excluded from the final mRNA. This produces multiple transcript variants from a single gene.
3. Translation: Each transcript variant is translated into a polypeptide, resulting in different polypeptides with potentially different amino acid sequences and functions.
4. Single sequence variant: A mutation or change in the DNA sequence of the gene can result in a single sequence variant, which can affect one or more exons involved in alternative splicing.
5. Altered polypeptides: The single sequence variant may appear in different amino acid positions within the translated polypeptides, depending on which exons are included or excluded during alternative splicing.

So, a single sequence variant can lead to different amino acid positions in the polypeptides due to the alternative splicing of the transcript variants of a single gene.

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Cardiorespiratory endurance is defined as the ability of the body to perform prolonged, large-muscle, dynamic exercise at moderate to high levels of intensity.

An essential measure of physical health is cardiorespiratory endurance, which is the capacity of the heart and lungs to supply oxygen-rich blood to working muscles throughout prolonged physical exercise. Maximum oxygen uptake (VO2max), which is not a useful metric for usage in real-life situations, is commonly used to test cardiorespiratory endurance in the laboratory. As it is relatively challenging to measure oxygen consumption directly, we can calculate cardiorespiratory endurance using heart rate. In this study, we suggested a fuzzy system based on the heart rate of humans to provide an efficient cardiorespiratory endurance training program and the assessment of cardiorespiratory endurance levels.

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Note that the above is related to population dynamics simulation with respect to bacterial populations in the human body. This simulation is executed using the Exponential Growth Model.

a) In plot 1, it is to be noted that as r increases, the curve is noticed to become excessive at a quick rate.

b) In plot 2, the curve will always be on a straight line, indicating that the population of growth will increase with population size. However, if the r increases and becomes excessive, it suggests that population growth is accelerating with the N.

The exponential growth model is a function that depicts population expansion that happens at the same pace across time. When populations double or triple in size, you should expect data to expand dramatically. Exponential decay is the inverse of exponential growth, in which data diminishes rather than expands.

In the exponential growth model:

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Answer:

Physiology ; Anatomy

Species richness and species diversity are two crucial metrics ecologists employ to define the make-up of a community.

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Answer:

Over time, plants had to evolve from living in water to living on land. In early plants, a waxy layer called a cuticle evolved to help seal water in the plant and prevent water loss. ... A later adaption for life on land was the evolution of vascular tissue.

Answer:

1. green crab

2. Green crab populations in New England have been associated with crashes in shellfish populations, reduced biodiversity, destruction of eelgrass beds, and declines in native crab species.

3. They spread very rapidly

Explanation: Hope this helps!

Answer:

Europa

Explanation:

There are 4 Galilean moons and Europa is the smallest. Scientists believe that there is ocean below the sheet of ice.

Preconception comprehensive carrier screening (option - A) is a single test that can identify a person's susceptibility to 500 different recessive diseases.

You can find out if you carry a gene for a particular genetic disorder through a genetic test called carrier screening. Finding out your likelihood of having a child with a genetic disorder can be done either before or during pregnancy.

In order for a child to be affected by a genetic disease, both parents must be carriers. This is why carrier screening is frequently done. Determine whether or not a person carries a change in one of their genes and whether they are more likely than not to pass on a genetic disease to their offspring through carrier screening.

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Answer:

The coreect answare would be B

Answer:

A is upper epidermis

B is palisade cells

C is spongy mesophyll layer

D is the lower epidermis

Explanation:

i hope this is helping

Phospholipid molecules are a type of lipid that are an essential component of cell membranes, forming a barrier that separates the cell from its external environment.

The primary purpose of phospholipid molecules in cell membranes is to control the passage of substances into and out of the cell, allowing the cell to maintain a stable internal environment and carry out its functions.

Phospholipids are amphipathic molecules, meaning they have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions. The hydrophilic "head" region of the molecule is composed of a phosphate group and glycerol molecule, while the hydrophobic "tail" region is composed of two fatty acid chains. These two regions of the molecule allow phospholipids to form a bilayer in the cell membrane, with the hydrophilic heads facing outward towards the watery environment on both sides of the membrane and the hydrophobic tails facing inward, forming a nonpolar region in the center of the membrane.

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Answer:

D

Explanation:

I took the test and got it correct

The fourth graph would most likely represent survivorship of the birds after the introduction of the predator. Thus, option D is correct.

A population of birds exhibits Type II survivorship. A predator is introduced that feeds on hatchlings, causing a change in the survivorship of the birds. A survivorship curve refers to a graph showing the number or proportion of individuals surviving to each age for a given species or group. There are three types of survivorship curves as follow:

Type I curves depict individuals that have a high probability of surviving to adulthood. For example,  large mammals have type 1 survivorship curves, because they have a. low infant mortality and high rates of survival into old age.

Type II curves also called as intermediate type, it depict individuals whose chance of survival is independent of age. For example, most birds have type 2 survivorship curves birds die more or less equally at each interval of their age.

Therefore, The fourth graph would most likely represent survivorship of the birds after the introduction of the predator. Thus, option D is correct.

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Answer:

C) A red blood cell and hair follicle cell have the same genes, but they are expressed differently

Explanation:

All cells of a living organism contain the same genetic sequence i.e. they contain the same set of genes, however, differences in the expression of these genes may occur. This is responsible for the different specific roles or functions played by organs of the body system.

The expression of a gene refers to the process by which a gene is transcribed and translated into a protein molecule, which is responsible for traits in the body. Genes are expressed differently in order for certain cells to function differently and specifically. For example, difference in expression of genes is responsible for the ability of red blood cells to produce hemoglobin and the inability of hair follicle cells to, even if they contain same genes.

Answer:

1:to allow movement of small molecules in and out of cell

2

Educate your family about endangered species in your area.

Recycle and buy sustainable products.

Recycle and buy sustainable products.

Reduce your water consumption.

Volunteer. If you don't have money to give, donate your time

The hormone prolactin plays a crucial role in various biological processes in vertebrates, such as milk production in mammals, osmoregulation in fish, and lipid metabolism in birds.

Prolactin is produced by all vertebrates and is involved in **signal transduction pathways**. In mammals, it specifically stimulates the **mammary glands** to produce milk, ensuring proper nourishment for their offspring. In fish, prolactin is essential for maintaining a balance between water and ions in their body, contributing to proper osmoregulation. For birds, prolactin influences how their bodies break down and utilize fats, which is vital for energy production and overall metabolism. By understanding the various roles of prolactin in different species, we can gain insight into the diverse ways this hormone contributes to the survival and adaptation of animals.

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If the allele for tall (T) plants is incompletely dominant over the allele for short (t) plants, the offspring resulting from the cross between two Tt plants will likely be intermediate in height, meaning they will be neither tall nor short.

Incomplete dominance is a type of genetic inheritance where the dominant allele is not completely expressed in the offspring. As a result, a heterozygous genotype results in a new, unique phenotype that is an intermediate between the dominant and recessive traits. When two Tt (heterozygous) plants are crossed, they will produce offspring with the genotype TT, Tt, and tt. The TT genotype will produce tall plants, the tt genotype will produce short plants, and the Tt genotype will produce intermediate plants that are neither tall nor short.

If the allele for tall (T) plants is incompletely dominant over the allele for short (t) plants, the offspring resulting from the cross between two Tt plants will likely have an intermediate height. This is because incomplete dominance is a type of genetic inheritance where the heterozygous genotype produces a new and unique phenotype that is a combination of the dominant and recessive traits. The TT genotype produces tall plants, the tt genotype produces short plants, and the Tt genotype produces plants that are intermediate in height.

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At the end of S phase of the cell cycle, the cell will contain 20 chromosomes and 20 picograms of DNA. This is because during S phase, DNA replication occurs, resulting in the formation of two identical copies of each chromosome, called sister chromatids. The amount of DNA in the cell doubles during S phase, as each chromosome now has two copies of its DNA. However, the number of chromosomes remains the same, as the sister chromatids are still considered to be a single chromosome until they separate during cell division. Therefore, the cell will have 20 chromosomes and 20 picograms of DNA at the end of S phase.