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PIT_PIT [208]
3 years ago
14

What molecule in the nucleus controls the copying of DNA ?

Biology
2 answers:
KiRa [710]3 years ago
7 0

Answer:

RNA

Explanation:

A chemical called messenger RNA (mRNA) is made in the nucleus and carries a copy of the DNA base sequence of a specific gene to the cytoplasm

hoa [83]3 years ago
4 0

Answer:

Explanation:Within the nucleus are threads of chromatin composed of DNA and associated proteins. Along the chromatin threads, the DNA is wrapped around a set of histone proteins. A nucleosome is a single, wrapped DNA-histone complex.

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What is the name of the process that requires energy (adenosine triphosphate, or atp) for digested nutrients to be absorbed thro
SVEN [57.7K]
The name of the process that needs energy (adenosine triphosphate, or atp) for  nutrients that were digested to be absorbed through the small intestinal wall into the bloodstream or lymphatic system is called active transport. This process involves the movement of particles in a membrane from a lower concentration to a higher concentration with the aid of an external source like energy or enzymes.
4 0
2 years ago
What alternative form of genes do nucleic acids have that allows them to offer variability?
inna [77]

The answer to the above question is alleles.

<h3>What are Alleles?</h3>

The two nucleic acids in living things that are employed for conveying and storing genetic information are RNA and DNA. The genetic material in living things is called deoxyribonucleic acid (DNA), and it contains sections coding for beneficial proteins and products as well as carrying genetic information from one generation to the next. These chunks are referred to as genes.

However, genes also have a different form that is in charge of the genetic diversity in the qualities they are coding for. Allele refers to a gene's alternative or variant version. In a diploid creature like the human, each trait is encoded by genes that include contrasting pairs of alleles, allowing variation for that specific trait, i.e. two alleles for each gene. For instance, a gene with two alleles that codes for one of the human height traits includes the short variety (t) and the tall variety (T).

To learn more about alleles with the help of given link:

brainly.com/question/3452155

#SPJ4

4 0
1 year ago
White-tailed deer populations in the Texas Hill Country have been increasing for years. The area is now overpopulated
BaLLatris [955]

Answer: b

Explanation: I just feel like it’s the best answer choice

3 0
2 years ago
Read 2 more answers
How long can a human stay up
earnstyle [38]

Answer:

a human can stay up to 79 years

8 0
2 years ago
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The picture shows an organ system in the human body. What do these organs do in the human body?
olga2289 [7]

The organs represented in the image are the Brain, nerve, and spinal cords that monitor and react to changes in the body and its environment.

<h3>What are Organs?</h3>

Organs may be defined as an assemblage of tissues that structurally construct an operational unit specialized to accomplish a distinct operation and functions in the body of a living organism.

The nerves function in sending and receiving signals to the brain from external stimuli. They give the perception of feeling pain, relaxation, stress, etc to the brain according to the situations.

The complete question is as follows:

The picture shows an organ system in the human body.

Brain, Nerve, and spinal cord.

What do these organs do in the human body?

  • They filter pathogens and dead cells out of lymph before it returns to the blood.
  • They monitor and react to changes in the body and its environment.
  • They release hormones that control the activities of cells and organs.
  • They identify and destroy things that are foreign or harmful to the body.

Therefore, the correct option for this question is B, i.e. They monitor and react to changes in the body and its environment.

To learn more about Organs, refer to the link:

brainly.com/question/1126526

#SPJ1

5 0
1 year ago
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