Proteorhodopsin consists of a single polypeptide chain. What is the highest level of structure found in this protein?
A) primary
B) secondary
C) tertiary
D) quaternary
C
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(a) light. (b) atmospheric sound waves. (c) chemicals in food and drink. (d) movements of the head.
Explain how the discipline of biochemistry grew out of the science of microbiology
What will be an ideal response?
Humans can be accidental intermediate hosts for some tapeworms
Indicate whether the statement is true or false
A technique that is used to artificially transform a bacterium is called electroporation. Electroporation:
a. exposes cells briefly to rapid pulses of electrical current. b. exposes cells to calcium ions. c. exposes cells to stomes. d. inserts the foreign DNA into the DNA in the chloroplast. e. inserts the foreign DNA into the plant's mitochondrial DNA.