Which of the following would not be found in both plant and animal cells?
a. microtubules
b. a nucleus
c. a plasma membrane
d. plastids
D
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Which of the following eukaryotic RNA polymerases is responsible for transcribing nearly all protein-coding genes?
A. RNA polymerase I B. RNA polymerase II C. RNA polymerase III D. RNA polymerase IV E. a complex of RNA polymerase II and III
Oysters have a Type-II survivorship curve
____________________ Indicate whether the statement is true or false.
In cnidarians, nematocysts are housed within why type of specialized cell?
a. cnidocils b. nerve nets c. cnidocytes d. choanocytes e. pseudopodia
To study how proteins fold, scientists must be able to purify the protein of interest, use solvents to denature the folded protein, and observe the process of refolding at successive time points
What is the effect of the solvents used in the denaturation process? (a) The solvents break all covalent interactions. (b) The solvents break all noncovalent interactions. (c) The solvents break some of the noncovalent interactions, resulting in a misfolded protein. (d) The solvents create a new protein conformation.