A bacterial cell gives rise to two genetically identical daughter cells by a process known as
a. nondisjunction.
b. mitosis.
c. meiosis.
d. fission.
e. fertilization.
Ans: d. fission.
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A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which only water can pass. They inject a 5M solution of glucose into the cell and then place the cell into a beaker of water. After an hour, what effect do you expect to observe?
A. Water moves out of the cell B. Glucose moves out of the cell C. No net change in cell weight D. Water moves into the cell E. Glucose moves into the cell
A deuterostome is distinguished by a(n):
A. endoderm that becomes a mouth. B. mesoderm that becomes an anus. C. blastopore that becomes a mouth. D. blastopore that becomes an anus.
mRNA regulation can be achieved at the level of
A) transport. B) processing. C) translation. D) life span (degradation). E) All of these
Osmotic pressure occurs as a result of
What will be an ideal response?