Question

Which labeled structure in Figure 31–2 produces pressure waves in the cochlea?

A. structure A

B. structure B

C. structure C

D. structure D

Answer 1

i think it might be A.. but no idea really...

Answer 2

@phi

Answer 3

A) stapes

Answer 4

stapes?

Answer 5

yes

Answer 6

i mean like what is that?

Answer 7

one of the 3 ossicles in the ear that produces pressure waves in the cochlea

Answer 8

sounds good :) thanks:) could you help me with another one?

Answer 9

Which of the following correctly matches a phase of the digestive process with its description?

A. absorption; the physical and chemical breakdown of food into small molecules.

B. ingestion; the process of getting food into the opening of the digestive tract.

C. elimination; the movement of small molecules from the digestive tract into the blood.

D. Digestion; undigested materials pass out of the body.

Answer 10

i think its B

Answer 11

well think about the meaning of the words and the description

yep it's B, but think about why haha

Answer 12

i just used elimination :]

Answer 13

hahahaha nice :)

Answer 14

hope you're getting enough finer

Answer 15

fiber**

Answer 16

yeah:) haha

Answer 17

What happens when ATP supplies energy for thin filaments in a muscle fiber to slide over the thick filaments?

A. The muscle contracts.

B. The muscle relaxes.

C. The muscle both contracts and relaxes.

D. The muscle neither contracts nor relaxes.
A right?

Answer 18

its not C and i dont think B so it was either none or A

Answer 19

none meaning D

Answer 20

but i think A

Answer 21

um i think ATP hydrolysis makes the muscle contract or relax .. so it's A or B

Answer 22

wait then so could it be C because it can make either ?

Answer 23

no the muscle can't do both at the same time haha um i think when ATP binds the muscle relaxes, and when ATP is hydrolyzed it contracts

Answer 24

so A

Answer 25

oh okay makes sense thanks:)

Answer 26

B - muscle relaxes