During implantation, the inner cell mass
develops into two flattened layers of cells
called the
a. blastocyst.
b. amnion.
c. embryonic disk.
d. chorion.
e. placenta
C
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Zn + 2H+ = Zn2+ + H2 is an example of a redox reaction. What is happening to the hydrogen ions during this reaction, in which a bond is formed between the two H atoms?
A. Oxidation reaction and acceptance of an electron. B. Reduction reaction and acceptance of an electron. C. Reduction reaction and donation of an electron. D. Oxidation reaction and donation of an electron.
Infection of the urinary bladder is called ________.
A. PID B. vaginitis C. urethritis D. pyelonephritis E. cystitis
Two copies of each chromosome separate from each other ____
a. in germ cells b. during mitosis c. in somatic cell division d. during the S phase of the cell cycle e. to create a diploid cell
Explain how the technique of exon trapping works
What will be an ideal response?