Which is an example of how organic molecules play a role in the structure and function of different cell types?
a
nucleic acids store energy in animal cells.
©
b. starch forms part of the cell membrane in animal cells.
o
c
. enzymes carry hereditary information in plant cells.
o
d
. cellulose fibers provide strength and flexibility in plant cells.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

What best describes the structure of the declaration of independence?