A person has the genotype XXY. What syndrome does this person have and what sex are they?
A. Klinefelter....male
B. Klinefelter ....female
C. Turner...male
D. Turner....female
E. no syndrome...male
A
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TCA cycle enzymes are found in the ________ of eukaryotic cells.
Fill in the blank(s) with the appropriate word(s).
Write the letter of the event that happens first in the development of song in male zebra finches next to
1. Sequence the following events, with the final event in the pathway written next to 6.
A. structure and function of neurons are changed B. neurons anticipate key acoustical events C. a territory owner habituates to the sound of his singing neighbor D. exposure of hatchling to its species' song E. an enzyme is produced F. zenk is activated 1. 2. 3. 4. 5. 6.
Riboswitches regulate transcription, rather than translation, in cells.
Answer the following statement true (T) or false (F)
Inflammation is an important part of the body's first line of defense, and it involves migration of phagocytes to the area.
Answer the following statement true (T) or false (F)