(2) Which of the following describes the movement of particles down/ with a concentration gradient and how ? Question options:

a)

Osmosis

b)

active transport

c)

diffusion

d)

both osmosis and diffusion

Organisms within a population must compete for resources to survive

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.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium