How many chromosomes are shown in this picture? How many
chromatids?
8 chromosomes, 8 chromatids
4 chromosomes, 4 chromatids
8 chromosomes, 4 chromatids
4 chromosomes, 8 chromatids

Answer:

theory

Explanation:

Answer:

The blood in the pulmonary artery is going to the heart to collect oxygen, and therefore has a low content of oxygen. So, the blood in the pulmonary artery is a violet colour because it has low oxygen. The blood in the pulmonary vein is oxygen rich, and so it gives a scarlet color.

Answer:

Guanine

Explanation:

C to G and A to T

In RNA, cytosine (C) forms a base pair with guanine (G).

This pairing is based on complementary base pairing rules, where cytosine always binds with guanine through three hydrogen bonds.

In RNA, as well as in DNA, the base pairs play a crucial role in the structure and function of genetic material.

The pairing between cytosine and guanine, along with adenine (A) pairing with uracil (U) in RNA (or thymine (T) in DNA), creates the double-stranded structure of nucleic acids.

These base pairs provide stability and ensure accurate replication and transcription of genetic information, contributing to the essential functions of RNA and DNA in various biological processes.

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Answer:

Hypertonic solution

Explanation:

Because a hypertonic solution occurs when more solutes are outside the cell than on the inside cell

A cell containing 10% salt is placed in a beaker of 30% salt. Is the solution is  the beaker hypertonic  to the cell.

Any external solution with a high solute content and a low water concentration in comparison to bodily fluids is referred to as a hypertonic solution. The net migration of water in a hypertonic solution will be from the body into the solution.

Hypertonic solutions include 10% salt content. A cell that is placed in a hypertonic environment experiences a net migration of water to the cell's exterior (from the higher water environment inside the cell). In reaction, the cell contracts.

A solution is said to be hypertonic if its salt concentration is higher than the salt concentration in the cells. The osmosis process allows water to pass through permeable cell membranes.

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Answer: B. 70 km

Explanation:

the answer is in the graph....

the line same point at 4hrs= 70km

-_-

do u go to k12?

Distance is a measure of how much ground has been covered by an object in motion. The object has been covered 70 km of distance in 4 hours. Option B is correct.

Therefore, the object has been covered 70 km of distance in 4 hours.

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Answer:

A genotype refers to the genetic characteristics of an organism. A phenotype refers to the physical characteristics.

Explanation:

Answer:

There is no punnet square in this question but it can still be answered based on the information provided.

Phenotypes of the dominant allele= 75%

Phenotypes of the recessive allele= 25%

Explanation:

This question involves a single gene that encodes a particular trait. The allele C is dominant over the allele c. This means an heterozygous (Cc) will have the phenotype encoded by allele C. A dominant allele is the allele that masks the phenotypic expression of another allele. The allele being masked is the recessive allele.

According to this question, two parents, each with genotype Cc were crossed. This means that each parent will produce the gametes: C and c. Using these gametes in a punnet square (see attached image), the following genotype of offsprings will be produced:

CC, Cc, Cc and cc.

- Offsprings with genotypes CC, Cc, Cc will show the phenotypes of the dominant allele (C) because allele C is dominant. Hence, the percentage is 3/4 × 100 = 75%.

- Offsprings with genotypes cc will show the phenotypes of the recessive allele (c). Hence, the percentage is 1/4 × 100 = 25%.

Answer:

The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun. Its mass, however, is only 30 times that of our nearest star. If R136a1 swapped places with the sun, it would outshine our closest star as much as the sun currently outshines the moon.

Explanation:

please give me a heart

Answer:

During interphase, the cell grows and the nuclear DNA is duplicated. Interphase is followed by the mitotic phase. During the mitotic phase, the duplicated chromosomes are segregated and distributed into daughter nuclei. The cytoplasm is usually divided as well, resulting in two daughter cells.

Explanation:

Have great day!!

Answer:

The chromosomes are duplicated

Explanation:

Answer:

Water as a constructive force: It is involved in the deposition of sediments. It transports rock fragments, soil, and other debris at a particular area. This process eventually causes them to accumulate and form land features. Water as a destructive force: It is involved in weathering and erosion.

Explanation:

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Water can be both a destructive and a constructive force.

• The forces, which form or create an existing landform are known as the constructive forces. While the force, which tears or lowers down the surface features of the Earth are known as the destructive forces.

• Water can be considered as the constructive force as it carries sediment down the river and with the river becoming shallow, the deposition of the sediments takes place giving rise to landforms called deltas.

• On the other hand, water can also be considered as a destructive force as it takes part in processes like erosion and weathering. It breaks down and wears away the rocks and land masses.

Thus, water can be both destructive and constructive.

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Answer: A

Explanation: i took the test

The DNA of all organism contains the same bases. Thus, option A is correct.

DNA stands for deoxyribonucleic acid, while RNA stands for ribonucleic acid.

Both are nucleic acid is composed of  three components such as  nitrogenous base, sugar and phosphate molecule.

DNA has a long polymer of deoxyribose sugar and phosphate backbone having four distinct bases such as adenine, thymine, cytosine and guanine.

RNA has a polymer of a ribose sugar and phosphate backbone with four varying bases: uracil, cytosine, adenine and guanine.

DNA is present in the nucleus and mitochondria, while RNA is found in the cytoplasm, nucleus and in the ribosome.

DNA is stable under alkaline conditions, while RNA is not stable.

DNA self-replicating in nature while RNA does not replicate on its own.

Thus, option A is correct.

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Answer:

What kind of mutation - "simple base substitution" or "point mutation".  

New mRNA strand - CUG CCU  GCU AAU

Does the mutation affect the protein. - yes because one amino acid is different

Explanation:

Here a point mutation occurs in the gene.

A point mutation is said to occur in a genome when a single base pair is added, deleted or changed.

Here due to point mutation only a single base pair has been changed ,thus the amino acid sequence has been changed. This is because due to point mutation in the DNA strand the mRNA produced is also changed so the amino acids coded by the mrna are also changed.

A point mutation exists a genetic mutation where a single nucleotide base exists changed, inserted, or deleted from a DNA or RNA series of an organism's genome. Point mutations have a combination of effects on the downstream protein product—consequences that exist moderately predictable established upon the specifics of the mutation.

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Answer: A

Explanation: it would be A because carrots being cut into pieces and bing mixed into a salad isn’t changing the carrot into something else, it’s just changing the appearance of the carrot and putting it in a salad.

answer 5

explanation Question

1.

2.

3.

4.

5.

6.

7.

8.

Answer:

Geothermal energy is a source of renewable energy that will last until the Earth is destroyed by the sun in around 5 billion years. The hot reservoirs within the Earth are naturally replenished, making it both renewable and sustainable.

I HOPE THISE HELPS *

Answer: geothermal is  stable

Explanation:

 unlike fossil fuels price does not fluctuate and the only huge price tht will be needed only comes in the building of the power plant so it is very much stable

Answer:

Changes in the composition of the atmosphere

Explanation:

Although this answer is very vague and generalized, it is the correct answer.

The increase in greenhouse gas emissions in the atmosphere from modern manufacturing and engineering has increase carbon dioxide and methane concentrations in the upper atmosphere. These gasses have a chemical composition that allows the absorption and release of longwave radiation back to the Earth's surface slowly increasing the global average temperature.

Answer:

Striated muscles are highly organized tissues (Fig. 1) that convert chemical energy to physical work. The primary function of striated muscles is to generate force and contract in order to support respiration, locomotion, and posture (skeletal muscle) and to pump blood throughout the body (cardiac muscle).

Explanation:

Answer:

Striated muscle tissue is a muscle tissue that features repeating functional units called sarcomeres. The primary function of striated muscles is to generate force and contract in order to support respiration, locomotion, and posture (skeletal muscle) and to pump blood throughout the body (cardiac muscle).

Explanation:

The myofibrils inside muscle cells contain proteins that contract and expand the muscle. The arrangement of these proteins makes the muscle cells appear striated (the series of vertical lines along the length of the muscle).

Answer:

1. sediment

2. 25%

3. A lot

4. It depends on where the soil is

Answer:

Polarity and Non-polarity of molecules depend upon the electronegativity. The theory of electronegativity lies in entire inorganic chemistry. The more electronegative an atom, the more it seeks electrons. If one atom is more electronegative than others, it can form an ionic bond or a polar covalent bond.

Explanation:

Answer:

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.

Explanation:

Basically it trains the body by giving it a little expirementation withthe  sickness. After that, the body will learn how to properly fight or keep the sickness at bay.

Hope it helped!;)

A vaccine injects a little bit of whatever disease you want to protect yourself from. It's just enough that your immune system fights it off and becomes stronger against the disease.

Answer:

Sulfide

Explanation:

Answer:false

Explanation:there is only enough food for a few top level consumers but there is lots of food for herbivores lower down on the food chain

The statement 'proteins and nucleic acids both store information' between the major macromolecules is FALSE (Option B).

In conclusion, the statement 'proteins and nucleic acids both store information' between the major macromolecules is FALSE (Option B).

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Answer:

C. the last one.

most form of algae lack roots, stems and leaves. Algae are nonvascular. They don’t have structures such as connective tissues, leaves, stems and roots unlike plants.

Explanation:

Answer

The answer is C.  "Most form of algae lack roots, stems and leaves"

Explanation:

Answer:  

The Law of Segregation states that the two alleles of a given gene will be separate from one another during gamete formation (meiosis)

Explanation: Which of Mendel's laws states that two alleles separate during the formation of gametes?

It is true that Mendel's law of segregation states that alleles, form of a gene found on a chromosome separate during gamete formation.

Mendel's law of segregation states that alleles of a gene separates into gametes during the process of meiosis.

Genes of an organism usually comes in pairs called alleles. For example; Bb

These alleles separate into gametes during the process of meiosis as stated by Mendel in his first law called the law of segregation.

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Answer:

2. phytoplankton

Explanation:

This is the answer because...phytoplankton is the main food of fish and without fish there could not be food for millions of people! 3 billion people eat seafood so it would be a big deal if seafood was no longer avialiable.

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I hope you like my explination.

Answer:

noun, plural: base pair substitutions. A type of mutation involving replacement or substitution of a single nucleotide base with another in DNA or RNA molecule. Supplement. This type of mutation occurring in noncoding sequences often does not result in an altered amino acid sequence during translation.

Explanation:

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