The X chromosome in humans _____.
A) is much larger than the Y chromosome
B) carries the SRY gene, the master gene for male sex determination
C) carries approximately 255 genes
D) is the largest autosome
Answer: A) is much larger than the Y chromosome
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All eukaryotic photosynthesizers are oxygenic.
Answer the following statement true (T) or false (F)
The term aerobic means:
A) ATP-dependent. B) oxygen-independent. C) oxygen-dependent. D) carbon dioxide-dependent.
The protists most closely related to animals and fungi are the ciliates
Indicate whether the statement is true or false.
In pines, the female gametophyte contains _____, each of which contains a(n) _____.
a) archegonia ... egg b) antheridia ... egg c) antheridia ... sperm cell d) archegonia ... sperm cell e) microsporangia ... egg cell