The closest living relatives to plants are
A) ciliates.
B) red algae.
C) stoneworts.
D) amoebas.
E) foraminferans.
C
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Organisms that use CO2 as their source of carbon are called
A. organotrophs. B. heterotrophs. C. autotrophs. D. chemotrophs.
The force that pushes plant cells tightly against the cell wall and helps support softer tissues against the
force of gravity is
a. turgor pressure. b. isotonic pressure. c. diffusion pressure. d. concentration pressure. e. plasmolysis pressure.
During the process of cloning, a small circular DNA molecule that has been modified is inserted into a bacterium for replication. What is this molecule known as?
a. gene b. allele c. plasmid d. enzyme
Which enzyme converts ATP to cyclic AMP?
a. lactic dehydrogenase b. creatine phosphokinase c. pancreatic nucleotidase d. adenylate cyclase e. monoamine oxidase