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lions [1.4K]
2 years ago
13

Why are chromosomes visible under a microscope during cell division

Biology
1 answer:
abruzzese [7]2 years ago
7 0
Chromosomes are visible under the microscope during cell division, as because the chromatin has condensed and essentially the DNA with numerous histone proteins wrapped around and folded again and again to produce thick structures of chromosomes during prophase. The DNA replicated will condense and or wrap and fold to produce these thick structures.
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What do you mean by mental labour​
zavuch27 [327]

Answer: Mental Labour, According to this definition, mental work refers to planning, organizing, coordinating, and managing duties and tasks that we perform during the course of our lives. People's worries about their ability to manage their time efficiently and effectively.

Explanation:

I explained at the top-

5 0
3 years ago
What type of human disorders and diseases might be treatable using stem cells?
dybincka [34]

Answer:

The following disorders might be treated by using stem cell therapy:

Spinal injuries can be treated by the stem cell therapy. As the neurons can be replaced by healthy neurons and used to treat Parkinson's disease.

The insulin produced from the somatic cells are used to treat the diabetes.

The cancer can be treated by using stem cell therapy.

Any damaged organ or tissue can be replaced by the stem cell therapy.

Different genetic diseases can be cured by the use of stem cells.

3 0
3 years ago
the protein hemoglobin carries oxygen from the lungs to the tissues. this is an example of protein's role in
xxTIMURxx [149]

Red blood cells contain a protein called hemoglobin. An illustration of red blood cells showing the hemoglobin protein. This protein serves as a transporter of oxygen from the lungs to tissues.

<h3>What are proteins?</h3>

The term "protein" refers to a macro- and large-scale biomolecule that has one or more lengthy chains of amino acid residues.  An amino acid chain makes up the basic building block of proteins.

When oxygen binds to the heme portion of the hemoglobin molecule in red blood cells during physiological respiration, oxyhemoglobin is created. This procedure takes place in the pulmonary capillaries close to the lung's alveoli.

Thus, red blood cells contain a protein called hemoglobin. An illustration of red blood cells showing the hemoglobin protein. This protein serves as a transporter of oxygen from the lungs to tissues.

To learn more about proteins, refer to the link below:

brainly.com/question/17095120

#SPJ1

5 0
11 months ago
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. Measurem
bearhunter [10]

Answer:

The answer is 6.4 × 10^{-20} Joules

Explanation:

This question wants to effectively test your knowledge of the names of the negative powers of 10, so first of all, before calculating, let me explain what each of the symbols in the units given in the question means:

Force = 8.0 pN = 8.0 × 10^{-12} N

displacement = 8.0 nm = 8.0 × 10^{-9} N

Now let us calculate the work.

work = Force × Displacement

work = 8.0 × 10^{-12}  × 8.0 × 10^{-9} = 64 × 10^{-21}

= 6.4 × 10^{20} Joules (in standard form)

7 0
3 years ago
The reaction between allergens and ige antibodies causes the release of chemical substances such as __________.
Levart [38]
The reaction between allergens and IgE antibodies causes the release of chemical substances such as

histamine, leukotrienes and prostaglandins

<span>
</span>
7 0
3 years ago
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