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Answer: Structure of DNA: double-stranded helix held by complementary base pairs. DNA carries the genetic information for making proteins. The four bases A, T, C and G make up the genetic code. The base sequence determines amino acid sequence in protein.

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Answer:

TRUE

Explanation:

The nervous system only exists in animals. Neurons are the nerve cells that compose the nervous system.

The neuron´s principal function is to catch stimuli from the exterior convert them into nerve impulses that get transported to the control centers. These control centers interpret the signal and send an answer to the stimuli.

The control centers in invertebrates are ganglia, while the vertebrate´s control centers are the spinal medulla and the encephalon.

The signal transport occurs from cell to cell in inferior animals and through nerves in superior animals.

There is a progressive increase in the complexity of the nervous system. It evolved from primitive animals to the most superior ones. This evolution is especially noticeable in the development of the encephalon as the control center.

However, the basic nerve cell is very similar in all animals.

Answer:

Why Do Cells Need to Divide. Organisms, either unicellular or multicellular, are made up of cells. One of the characteristic features of cells is the division. Cells divide for many reasons, including growth, repair and regeneration, and reproduction. The two types of mechanisms of cell division are mitosis and meiosis.

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Answer:

They connect through a cycle

Explanation:

Both plants and animals can be a food source for animals. Plants also create an environment so that animals can live with less complications

Answer:

0.75

Explanation:

a frequency of 1.0 occurs when all the flowers are red

A garden that contains 40 flowers, 30 of which are red. Then, the frequency of red flowers is 75% of 1:3.

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as the temporal frequency for clarity, and is distinct from angular frequency. Frequency is usually measured in hertz (Hz) which is equal to one event per second.

Gene frequency is the fraction or percentage of a population which carries a particular allele at a particular gene locus. In this case, a garden has 40 flowers, in which 30 are red.

Therefore, the frequency of red flowers = Number of red flowers/ Total number of flowers

The frequency of red flowers = 30/ 40 = 75% or 1/3

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The true breeding individual for all traits is RRYY.

A true-breeding organism, sometimes also called a purebred, is an organism that always passes down certain phenotypic traits to its offspring of many generations. This means that the parents are homozygous for every trait.

Since RRYY is homozygous for all traits, it will be a true breeding organism if crossed over with another RRYY organism. This is because all the off-springs produced from this cross will also be RRYY that is purebred.

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Answer:

Answer of this qurstion is true

Answer: Part A. 1. 159.5mm, 3. If they go 16cm per 29 years it would take 90 years to go 50cm 4. probably because the earthworms don’t go below 1 meter deep so rocks don’t go deeper.

Explanation:

Answer:

The rate of transpiration would decrease

Explanation:

the petroleum jelly would block the stomata of the leaves resulting in decreased transpiration rates

Petroleum jelly would inhibit the loss of moisture out of the stomata cells. Therefore, the rate of transpiration would be decreased.

Transpiration exists the procedure of water movement via a plant and its evaporation from aerial parts, such as leaves, stems, and flowers. Water exists essential for plants but only a small amount of water brought up by the roots is utilized for growth and metabolism. The remaining 97–99.5% exists lost by transpiration. An example of transpiration exists when a plant absorbs water in its roots.

Hence, Petroleum jelly would inhibit the loss of moisture out of the stomata cells. Therefore, the rate of transpiration would be decreased.

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Answer:

11%2F6_ -Amoeba Sisters Video Recap and Practice Problems.docx

Explanation:

Answer:

time? maybe I'm not to sure but I wanted to help

Answer:

1. Loss of almost an entire generation of young men by Europe.

2. Nationalism raised in the colonial empires

Explanation:

The First World War leads to destruction of empires. Numerous new nation-states were created. United States were forced to become a world power that in turn lead to the rise of Hitler and Soviet communism.

Effects of world war one are as follows:

1. Loss of almost an entire generation of young men by Europe.

2. Nationalism raised in the colonial empires

Answer:

The coughing reflex kicks in, only if the epiglottis reflex fails to. If the coughing reflex fails then the Heimlich maneuver may be needed.

Answer:

In all types of OCA and some types of OA, albinism is passed on in an autosomal recessive inheritance pattern. This means a child or something else has to get 2 copies of the gene that causes albinism

Answer:

D. RNA is single stranded , contains uracil, sugar is ribose

Answer:

D. RNA is single stranded , contains uracil , sugar is ribose

Explanation:

RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose

Answer:

1. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.

2. The sun's gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun's light and warmth. It holds down our atmosphere and the air we need to breathe

3. distance between objects

masses of the objects

Explanation:

The magnitude of the gravitational force between two objects is given by

where  G is the gravitational constant  m1 and m2 are the masses of the two objects  r is the distance between the two objects

By looking at the formula, we see that the gravitational force is affected only by two quantities:

- the masses of the objects, m1 and m2

- the distance between the objects, r

4. Gravitational force -an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.

5. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.

Hope i helped! xoxo

Answer:

you should make a powerpoint  

Explanation:

1-the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.

2-Gravity is very important to our everyday lives. Without Earth's gravity we would fly right off it. We'd all have to be strapped down

3-Newton's law also states that the strength of gravity between any two objects depends on two factors: the masses of the objects and the distance between them.

Objects with greater mass have a stronger force of gravity between them. ...

Objects that are closer together have a stronger force of gravity between them.

4-5-Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.

it's all from the internet

Answer:

hey friend..... here is your answer....

the shape of DNA is double helix

Hello!

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First...

Anoles are a genus of lizards native to the Caribbean, Central and South America. As some species can change color they have been called chameleons of America. There are 425 species according to the latest research.

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Yes, since the Anolis sagrei inhabits humid lowland forests and dry lowland forests. Apparently it prefers areas that have very low or little ground cover (18, 23).The green anole lizard, Anolis carolinensis, has adapted to living in the tree canopy and can lead to speciation, Different species of anoles have different dewlaps, and very different vegetation.

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atte:

Ángela

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Answer:

you could literally just look them up

1. Deoxyribonucleic Acid

2. In biology, a gene is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.

3. nucleus

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA).

4. As described above, DNA can be found in three organelles: the nucleus, mitochondrion, and chloroplast. Only eukaryotes have a nucleus, which is a large structure that's surrounded by a membrane. Nuclear DNA comes in the form of long, linear pieces of DNA called chromosomes.

Answer: Chemical Digestion = mouth, pancreas, stomach, small intestine

Explanation: Hope this helps!

Answer:

Chemical Digestion = mouth, pancreas, stomach, small intestine

Explanation:

Answer:

A:)))))

Explanation:

hope this helps:))))))))))))))

Answer:

90%

Explanation:

Answer: $186 million or 36 million pounds

Explanation:

https://www.fisheries.noaa.gov/national/aquaculture/us-aquaculture

Answer:

Food must be broken down into nutrients for the body to use for energy, development, and cell repair. Before the blood absorbs and transports nutrients to cells in the body, food and drink must be broken down into smaller nutrient molecules.

Answer:

carbon dioxide is correct

Answer: O Carbon dioxide

Explanation: