Advantages of constant body temperaure

1 answer:

3 0

Proteins function optimally at a specific temperature. So if you get too hot or too cold, biochemical reactions in your body start to function less well. If the situation becomes extreme enough, they can cease to function well enough to sustain life.

Warm-blooded animals have an advantage over cold-blooded ones in that their bodies automatically try to maintain the optimal termperature for things in their bodies to function. Cold-blooded animals depend on the environmental temperature to do this for them. That's why reptiles are very sluggish when they're cold, but will "wake up" when they get warm.

The cost to this benefit is that metabolically, warm-blooded animals require a lot more fuel to run their bodies. It's very energy-intensive to maintain a constant body temperature. Cold-blooded animals require far less fuel than warm-blooded ones relative to their size.

The way that proteins operate in a specific temperature is also true of the pH in your body which is also very tightly maintained.

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Calculate the net force on the Fx and Fy of 20 N 17 N 45.50 250

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Answer:

$F_{net}$ is 26.25 N

Explanation:

Given that: $F_{x}$ = 20 N, $F_{y}$ = 17 N.

This implies that the two forces are acting at right angle to each other. Thus applying the Pythagoras theorem, we have;

$F_{net}$ = $\sqrt{F_{x} ^{2} + F_{y} ^{2} }$

= $\sqrt{(20)^{2} + (17)^{2} }$

= $\sqrt{400 + 289}$

$F_{net}$ = $\sqrt{689}$

= 26.2488

$F_{net}$ = 26.25 N

The net force is 26.25 N.

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You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat, and the r

Genrish500 [490]

The question is incomplete. Here is the complete question.

You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat and the rest have a dark coat. You know that light coat color is recessive in ground squirrels. What is the allele frequency for the light coat allele and the dark coat allele? How many of the dark coated individuals do you expect to be heterozygotes at the coat color gene? Assume the population is at H-W equilibrium.

Answer: Allele frequency for light coat: q = 0.3;

Allele frequency for dark coat: p = 0.7;

There will be 42 heterozygote;

Explanation: A population in H-W equilibrium is a population which doesn't change from one generation to the next if there are no disturbing factors, as migration or mutation.

It follows the equation: $p^{2}+2pq+q^{2}=1$ .