Within the chemical formula 18CO₂ the ₂ is known as a what?

15. Which of the following is a need of most plants? A. To take up oxygen from the environment. B. To release carbon dioxide to the environment. C. To capture sunlight to perform photosynthesis. D. To release water through their leaves.

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

forms the pole of the spindle apparatus chromatin 2. the membrane that surrounds the nucleus of the cell haploid 3. having chromosomes that occur singly, not in matched sets or pairs meiosis 4.

How monomers are similar to links in a chain.

What would happen if a person's body temperature dropped too low or got too high?

Which type of reproduction is more likely to increase genetic diversity? why? type your answer here. 2. which type of reproduction typically happens more quickly? why? type your answer here. 3.

What is the driving force behind excess runoff after a big precipitation event

Hich of mr. helms' vital signs and lab values were abnormal?

Give an everyday example of diffusion in air

Explain why specific restriction enzymes must be used in DNA fingerprinting