Answer:
A critical function of proteins is their activity as enzymes, which are needed to catalyze almost all biological reactions.
The answer is A :)
both horseshoe crabs and spiders produce silk
Geothermal is renewable because heat is continuously produced inside the earth.
Also One of its advantage is that its found Everywhere.
Option B is Legit.
Answer:
See the answer below
Explanation:
a) The mode of inheritance of the bar mutant is X-linked and dominant.
Assuming that barness is represented by the allele B.
Bar female =
or 
Wild type male = 
Bar female x wild type male:
x 
All of the F1 flies are bar because a single B allele is required for the trait to be expressed.
Bar male x wildtype female
x 

All the female offspring are barred while all the males are wildtype barred resulting in a 50/50 (857/905 is approximately 50/50) ratio of barred/wildtype offspring.
b) Genotypes of each of the cross above, including the parents and the F1 generations.
1.
x 
2.
x 

Say: curly is represented by s
Straight is represented by S
Yellow is represented by R
Red is represented by r
The answer would be SSRr