Small circles of DNA called __________ exist in addition to the bacterial chromosome
a. capsids
b. plasmids
c. chromatids
d. pili
e. centromeres
B
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Which of the following are examples of proteins encoded by oncogenes?
A. genome integrity proteins B. transcription factors C. DNA repair enzymes D. intracellular signaling proteins E. growth factor receptors
When a plant cell is placed in a hypotonic solution, the cell wall prevents ____
a. plasmolysis b. diffusion c. active transport d. the cell from bursting e. the cell from shrinking
Thyroid hormone is actually _____
a. a signal steroid hormone working alone b. the triiodothyronine and thyroxine molecules working together c. the estrogen and testosterone hormones working together d. TRH and any other hormone working together e. a second messenger or a steroid working alone
A suspension of algae is illuminated and supplied with constant CO2. When the light is turned off, the concentration of compounds from the Calvin cycle changes. The concentration of compound A increases significantly. What is compound A?
What will be an ideal response?