N/A — Exam

Question 1

Which protein serves as a chemical messenger?

Revolt · Accepted Answer

insulin

Question 2

Which is a difference between proteins and carbohydrates and fats?

Revolt · Accepted Answer

Excess carbohydrates and fats are stored; excess proteins are not.

Question 3

The excretions of living organisms are best categorized as which type of factor in an environment?

Revolt · Accepted Answer

biotic

Question 4

Which element is considered the most versatile element in living organisms and why?

Revolt · Accepted Answer

carbon, because it can bond with many elements to form complex molecules

Question 5

Which specialized carbohydrate is used in shrimp exoskeletons?

Revolt · Accepted Answer

chitin

Question 6

In which macromolecule will she use the black, red, and purple balls in a ratio of ratio of ratio of 1 to 2 to 1 ?

Revolt · Accepted Answer

carbohydrates

Question 7

What quantity of carbon dioxide was in the atmosphere in 1980?

Revolt · Accepted Answer

339 ppm

Question 8

In the water cycle shown, which process is happening at step 3?

Revolt · Accepted Answer

precipitation

Question 9

The boys in this picture look alike because their bodies contain identical

Revolt · Accepted Answer

nucleic acids.

Question 10

What macromolecules make up most of the structure that is shown?

Revolt · Accepted Answer

lipids

N/A — Exam Answers