Which nitrogen base sequence is the partner of
T-C-A-G-C-A?

•A-C-G-A-C-T
•C-A-G-A-T-G
•A-G-T-C-G-T
•T-C-A-G-C-A

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.