Which of the following is most likely to move through the cell membrane by facilitated diffusion?

A. small lipids B. Na+

C. CO2 D. O 2

In cells, the primary function (s) of deoxyribonucleotides is (are): a) Synthesis of RNA b) Synthesis of DNA c) Cellular energy d) Aand C e) B and C

Which type of solution will cause cells to swell, or even to burst? (a) Isotonic solution (b) Hypotonic solution (c) Hypertonic solution (d) Osmotic solution

What happens in chemosynthesis? A. Certain microorganisms in hydrothermal vents use chemical energy to create organic molecules from inorganic nutrients. B.

Give an example of how organisms in the biosphere contribute to the carbon cycle

Which of the following is a savanna

What molecules do both dna and rna contain

he majority of Earth's atmosphere is nitrogen, N2. The percentage of nitrogen in Earth's atmosphere remains constant as prescribed by the law of conservation of matter and because it is a reasonably non-reactive gas.

What blood vessels would be cut when removing a heart and lungs during a transplant operation?

Why will a decrease in pH of the stomach affect protein digestion? A) Decrease in pH of the stomach will distort the structure of peptides in food, which affects the action of the enzyme pepsin.

How are the olfactory receptors activated? How are the olfactory receptors activated? Olfactory cilia move mucus over the receptors. Odorants dissolve in the mucus and bind to receptors. Mitral cells relay signals to the olfactory bulbs.