Question

When a muscle contracts, thick filaments slide along thin filaments, causing the entire _____ to decrease in length.
Select one:
a. myosin filament
b. bone
c. actin filament
d. sarcomere
e. Z-line
z-line

Answer 1

HElp

Answer 2

@jamielovesmickey help please

Answer 3

@animefreakdesu help please

Answer 4

Help

Answer 5

sorry but i dont know I cant guess but heres a link to help you http://www.acad.carleton.edu/curricular/BIOL/classes/bio126/Documents/Lab_5.pdf

Answer 6

do u know any one can help

Answer 7

@thomaster please help

Answer 8

@wet please help this person

Answer 9

i need help too
:(

Answer 10

i dont need help with this question i was asking if he could help you :)

Answer 11

When a muscle contracts, the actin is pulled along myosin toward the center of the sarcomere until the actin and myosin filaments are completely overlapped.

Answer 12

sp what abbie said above..... ACTIN so the answer is C

Answer 13

^_^

Answer 14

Which of the following is associated witht he evolution of the coelom?
Select one:
a. development of ganglia
b. incomplete metamorphosis
c. radial symmetry
d. radial symmetry
e. tube-within-a-tube body plan

Answer 15

B check it for me please

Answer 16

aright just give me a few minutes

Answer 17

mwaaaah thanks

Answer 18

A true coelom is lined on all sides by mesoderm which gives rise to muscles that surround the gut as well as underlying the body wall. This allows more efficient digestion because food can be pushed through the digestive tract by muscles.I think it would be E

Answer 19

e

Answer 20

oky

Answer 21

The two groups representing "jawless fish" are:
Select one:
a. Chondrichthyes and Actinistia
b. Myxini and Cephalaspidomorphi
c. Placoderms and Petromyzontiformes
d. Dipnoi and Actinistia
e. Cephalocordata and Placoderms

Answer 22

A

Answer 23

one more for help

Answer 24

@clara.university

Answer 25

aright now I have no clue

Answer 26

what does that mean

Answer 27

I dont know the answer

Answer 28

what about that one please

Answer 29

Ectotherms regulate their internal temperature by which of the following actions?
Select one:
a. migrating
b. basking
c. limiting activity during cold seasons
d. all of these answers are correct
e. burrowing

Answer 30

it cant be A

Answer 31

or B

Answer 32

i try to find it but i cant :(

Answer 33

??

Answer 34

i think it
e