Arg-ile-arg-tyr is what <span>G-C-T-T-A-G-T-C-C-A-T-A would equal</span>
A fixed action pattern
is a behavior that is carried out to completion once started, regardless of
changes in the original stimulus and the sequence is unchangeable. The
unlearned behavior of fixed action patterns are triggered by a type of external
stimulus that start off a particular organism.
HIV in fact kills the immune system cells causing our body cannot fight off infections and diseases from entering our body. this creates our immune system to become weaken.
Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.
Explanation:
The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.
The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.
Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac
.
No more than 7% of your total calories should come from saturated fats.
