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saveliy_v [14]
4 years ago
9

Do proteins help store and transmit genetic information ??

Biology
1 answer:
GuDViN [60]4 years ago
5 0

yes, protein in dna store genetic info.

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How/why did sickle cell anemia increase in frequency in the human population?
Levart [38]

Answer:

The character of sickle cell anaemia does not get fixed in the population Because it has more disadvantages than advantages

Explanation:

Any character will get fixed in the population if the character provides the progeny certain advantage to reproduce better.The rate of malaria infection is low, but such people may have breathing difficulties and organs may fail due to the wrinkled RBC's not able to flow smoothly in the arteries and hence causing blockages. the character may be recessive but again the amount of oxygen carried per healthy RBC is less and that makes breathing difficult . so as a character its a disadvantage for the person who is a career and hence not being selected to be fixed.

4 0
3 years ago
The resilience of bone is thought to come from which of the following?amount of mineral salt and protein in the bonepresence of
LenKa [72]
<h2>Resilience of bone</h2>

Explanation:

The resilience of bone comes from sacrificial bonds in or between collagen molecules

  • Three major functions of bones includes

Providing structural support to the body

Providing protection to vital organs

Providing an environment for marrow (where blood cells are produced)

  • There are two types of tissues which bones are composed of:

A hard outer layer called cortical bone which is strong, compact,dense and tough

A spongy inner layer called trabecular bone,this network of trabeculae is lighter and less dense than compact bone as a storage area for minerals (such as calcium)

  • Bone is also consists of:

Bone forming cells (osteoblasts and osteocytes)

Bone resorbing cells (osteoclasts)

Non mineral matrix of collagen and noncollagenous proteins (osteoid)

Inorganic mineral salts deposited within the matrix

  • Bone ends up being a good example of resilience because it is not static like it is perceived to be
6 0
4 years ago
Read 2 more answers
Describe the stages of cellular development prior to tissue stages.
larisa [96]
Following fertilization, the single-celled zygote undergoes cleavage, where it is then divided into numerous tiny cells. After 3 to 4 days of fertilization, the cleavage produces a 16 celled embryonic stage known as morula, which is contained within the zona pellucida.

After about 4-5 days of fertilization, cleavage produces a sphere mass of cells known as blastomeres, which is covered by a layer known as trophoblast and has a fluid-filled cavity in the center, known as blastocoel. The blastomeres then migrate inward, changing position and undergoing rearrangements. This is known as gastrulation.

Gastrulation then causes the development of three germ layers: ectoderma, endoderma, and mesoderma. The interaction of cells and the rearrangement of tissues and organs occurs only after the formation of germ layers.
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3 years ago
The evaporation of perspiration from the skin helps to ______ the body.
bonufazy [111]
A. cool down

The evaporation of perspiration from the skin helps to cool down the body.
6 0
3 years ago
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Is there DNA in your food? How do you know?
Pachacha [2.7K]
<span>YES,THERE IS DNA IN OUR FOODS.
All living organisms both plants and animals have DNA in their nucleus. Humans eat both plants and animals materials in their food, thus, the foods eaten by humans have DNA in their cells. DNA is a thread like structure that is made up of nucleic acid and is found in all living cells. It is the basis of inheritance in both plants and animals. During cell division, the DNA replicate in order to pass inheritable traits to the newly formed cells.</span>
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3 years ago
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