Which of the mechanisms listed below requires energy?

A. endocytosis

B. diffusion of oxygen into a red blood cell

C. osmosis of water across the cell membrane

D. facilitated diffusion of ions through a protein channel

Which Of the following best describes moss? A) an angiosperm B) an gymnosperm C) Nonvascular plant D) Seedless plant

What is the outcome for planet earth after the sun orbits the milky way?

What can be assumed about the parent cell if, after asexual reproduction, the daughter cell has 24 chromosomes? A) The parent cell has 12 chromosomes. B) The parent cell has 24 chromosomes. C) The parent cell has 48 chromosomes.

Fur seals and sea lions have similar body shapes and features. based on their anatomy, they seem to have a relatively recent common evolutionary ancestor.

How can an offspring possess a trait that is not seen in the parents?

The food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction known as

What cellular process releases ATP by breaking down glucose into lactate?

What is the genotype of a white-eyed male fruit fly?

Do proteins code for RNA or DNA?

What type of air mass originates in Canada?