Transport of materials into a cell against a concentration gradient, from low to high, requires



A) water.

B) energy.

C) osmosis.

D) a passageway.

How is the insulin gene removed from the strand of human dna?

Question 1 of 10 what is a standard for acceptable behavior within a socies cale O A NO O e Economy Oc clian OD Religion

What is the experimental probability that both recessive genes will be contributed to the child for a specific trait

What will most likely happen when an air mass of low temperature exists above a water body at a higher temperature? Humidity of the air mass will decrease. Heat will flow from the air mass to the water body.

What is the difference between a breed and a species?

Water moves between the ocean, atmosphere, and land. In which form does water enter the atmosphere?

Suppose you use a microscope to look at a cell from the leaf of a tree. What structure will you see that would not be found in a cell from your fingernail? A. mitochondria B. cilia C. cell wall D. ribosomes

Name the three energy roles that organisms fill in an ecosystem.

Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine. Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine. True False

Which of the following are examples of the first specialized tissues?