Answer:
a. 3′→5′ exonuclease activity = No proof reading
b. 5′→3′ exonuclease activity = No primer removal
c. 5′→3′ polymerase activity = No gap filling
Explanation:
<u>a) 3′→5′ exonuclease activity = No proof reading</u>
3′→5′ exonuclease activity of DNA polymerase I is responsible for proof reading so that if a wrong nucleotide is inserted during replication, it could be removed. So if a mutation will occur in the domain which is responsible for 3′→5′ exonuclease activity error prone DNA replication will occur.
<u>b. 5′→3′ exonuclease activity = No primer removal</u>
5′→3′ exonuclease activity is useful in removing primers so that appropriate nucleotides could be inserted in the lagging strand. But if mutation will occur in this part of DNA polymerase I then primer will not be removed and replication of lagging strand will be at halt.
<u>c. 5′→3′ polymerase activity = No gap filling</u>
5′→3′ polymerase activity of DNA polymerase I, joins the nucleotides in the lagging strand where the gaps have been created after removal of primer. So the gaps created after removal of primer in the lagging strand will not be filled if there will be a mutation in this segment of DNA polymerase I.
Answer;
The important role of experience in wiring the brain
Explanation;
-Brain development involves creating, strengthening, and discarding connections among the neurons; these connections are called synapses.
-These synapses organize the brain by forming pathways that connect the parts of the brain governing what we do.
-At birth the synapses present are those governing our bodily functions such as heart rate, breathing, eating, and sleeping.
<span>When
the patient was admitted, her PaO2 was at 80 mm Hg. The level decreased to 65
mm Hg immediately after the arterial gases were drawn. This decrease in PaO2 is
an indication of respiratory failure and it warrants medical evaluation. The
most appropriate thing for a nurse to do in this kind of a situation is to
increase the oxygen flow rate.</span>
Answer:
c4 plants are better adapted to tropical climate.and C4 plants effectively obtains Co2 even when present in low concerntration.this is bc co2 has high affinity for c4 organic acids present in C 4 plants.because of presence of C4 organic acids,plants can tolerate saline and acidic soils.they are able to maintain high area Co2 fixation because of compactly arranged mesophyll cells.
