Biology Basics Unit Review

Question 1

Which macromolecule does the body consume first for energy?

Accepted Answer

carbohydrates

Question 2

why can life exist under frozen surfaces (lakes, glaciers)?

Accepted Answer

water is less dense as a solid

Question 3

Why are there so many ways that our bodies make proteins? (Think about all the folds and shapes)

Accepted Answer

the form of the protein fits it function

Question 4

Which element is most important for life & makes up EVERY macromolecule?

Accepted Answer

Carbon

Question 5

When designing an experiment, you will test a relationship between a cause and & effect. The effect is known as the____.

Accepted Answer

dependent variable

Question 6

Which macromolecule makes up most of the cell membrane?

Accepted Answer

lipids

Question 7

which macromolecule do we not get from our food?

Accepted Answer

nucleic acids

Question 8

Which macromolecule would most likely be involved with contracting your muscles?

Accepted Answer

proteins

Question 9

If I notice the sidewalk is wet, and I assume it rained, what am I making?

Accepted Answer

an inference

Question 10

What is the monomer of proteins? The structure of the protein depends on the sequenbce of these.....

Accepted Answer

amino acids

Question 11

why do animals store most of their excess energy as fat?

Accepted Answer

they store twice as much energy per gram as other macromolcules

Question 12

If oil does not dissolve in water, this means oil is _____ & _____.

Accepted Answer

hydrophobis and nonpolar

Question 13

Which type of macromolecule in an egg yolk would provide the MOST energy for developing chick?

Accepted Answer

lipid

Question 14

What is the tendency of maolecules of the SAME KIND to stick to one another?

Accepted Answer

cohesion

Question 15

What must be considered when designing a solution for a problem with technology?

Accepted Answer

all of these must be considered

Questions 15