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 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
The term aerobic means:
A) ATP-dependent. B) oxygen-independent. C) oxygen-dependent. D) carbon dioxide-dependent.