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gayaneshka [121]
3 years ago
8

Why did proteins seem better suited for storing genetic information?

Biology
1 answer:
alexgriva [62]3 years ago
5 0

Answer:

Proteins seem better suited for storing genetic information because DNA is only made from 4 bases while proteins were made from 20 amino acids, Scientists thought that proteins could code for much greater variety in their amino acid sequence than DNA could in its nucleotide sequence.

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What is the key relation between DNA and protein? Specify in a single sentence.​
zhenek [66]

DNA is made of proteins.

4 0
3 years ago
An experiment was performed to study the progress of cells through the mitotic cell cycle. The compounds listed below were used
Hatshy [7]
<h2>Mitotic Cell Cycle</h2>

Explanation:

a. Cytochalasin: an inhibitor of actin microfilament

  • Cytokinesis is the process by which cytoplasm is divided into two cells hence generation of two daughter cells
  • In animal cells the division of cytoplasm starts with the assembly of contractile ring
  • Contractile band consists of actin and myosin and catalyze cleavage furrow formation
  • Cytochalasin is a drug that blocks the polymerization of actin filament
  • When cytochalasin is added dividing cell fails to undergo in cytokinesis due to defective assembly of contractile band

b. Colchicine: an inhibitor of microtubule formation

  • Colchicine tightly binds with free tubulin dimer and prevents its polymerization
  • In this case mitotic spindle apparatus do not assemble and cells unable to do partitioning of chromosomes into two groups
  • Thus cell division is arrested

c. Aphidicolin: an inhibitor of DNA Polymerase activity

  • Aphidicolin is used to induce cell cycle arrest via specific inhibition of DNA Polymerase α
  • It blocks the cell cycle at early synthesis(S) phase

d. Emetine: an inhibitor of ribosome activity

  • It blocks the protein synthesis in eukaryotic cells by binding to small subunit(40 S) of ribosomes
  • It interferes with the synthesis and activities of DNA and RNA
5 0
3 years ago
Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen?
kaheart [24]

The correct answer is option b. higher levels of hemoglobin.

The partial pressure of the oxygen decrease as the height from the sea level is increased. Due to the decrease in the partial pressure, the amount of the oxygen delivered by the hemoglobin to cell decrease. So, in order to cope up the condition, the amount of the hemoglobin in the blood is increased. the increased amount of the hemoglobin delivers more oxygen than the normal amount of hemoglobin can do, so, it help in survival at low oxygen levels.

3 0
3 years ago
Read 2 more answers
A personality that consisted of only the ego and the id would be completely
Andre45 [30]

selfish

The id is the chaotic part of the personality. It  includes human's basic, instinctual drives.

The ego is the mediator between the id and reality. It compensates the id's impulsiveness with reality. It delays gratification and enables the person to function effectively.

The imbalance of these interacting powers will cause a disruption in the personality.

6 0
3 years ago
More men die in middle age from ______ than from any other cause.
Fed [463]

Answer:

Heart disease

Explanation:

According to 2016 World Health Organization statistics, the leading cause of death in middle age men is heart disease.

There were 56.9 million deaths worldwide in 2016. Ischaemic heart disease and stroke are the world’s biggest killers, accounting for a combined 15.2 million deaths in 2016.

5 0
3 years ago
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