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lapo4ka [179]
3 years ago
15

During the sequencing of the chimpanzee genomes, a gene (cmah) was identified that completely lost an exon in human when compare

d to chimpanzee. scientists have found no evidence of the protein or its enzyme function in any human tissue although the protein is fully functional in chimpanzee. the normal function of the gene is to add modified sialic residues to proteins on the cell membrane. the loss of the exon is found in all humans that have been examined, but the gene is conserved in all other primates and mammals
Biology
1 answer:
ELEN [110]3 years ago
7 0
Ok we are relitivty close to them so they are our brothers
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Which of the following is a reasonable explanation for why unsaturated fatty acids help keep any membrane more fluid at lower te
vladimir1956 [14]

Answer:

Option (E).

Explanation:

The cell membrane constitute the phospholipid bilayer, proteins and small amounts of carbohydrates. The unsaturated fatty acids contain the double and triple bond in its structure.

The introduction of double bond introduces the kink in its structure and makes the membrane less rigid. This prevents the packaging of the lipid tightly and makes the membrane more permeable. This makes the membrane more fluid even at the lower temperature.

Thus, the correct answer is option (E).

4 0
4 years ago
Which substance on the plasma membrane helps identify chemical signals from outside the cell?
nikdorinn [45]

Answer:

The correct answer is carbohydrate chain.

Explanation:

Plasma membrane contain three types of protein  a peripheral protein b transmembrane protein and c GPI anchored protein.

    Some membrane protein basically peripheral proteins contain oligosaccharide chain arranged towards the extracellular region of the plasma  membrane with respect to the surface of that glycoprotein.

   The oligosaccharide chain of glycoprotein play an important role in to identify signals from outside the cell.These signals may include the entry of virus particles inside our body,protein targeting etc.

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4 years ago
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Sorghum and millet are the grains that thrive well in arid environments. Sorghum is a close relative of the smaller millet, with the latter measuring only a third in size to sorghum. It is important to know that sorghum is sometimes called great millet.


Every 192 -gram cup of cooked whole sorghum or millet contains 22 grams compared to wheat (16 grams), brown rice (15 grams), and maize (16 grams).

3 0
3 years ago
A scientist observes the cells of an unknown organism under a microscope. Which cell component would best indicate that the orga
VLD [36.1K]
If the organism has a cell wall it is a plant
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What is the result of meiosis?
anzhelika [568]

Answer:

4 genetically different daughter cells

Explanation:

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