Sperm are produced in the:
a. testes
b. vas deferens
c. epididymis
d. prostate gland
e. penis
a
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If one parent is heterozygous for a dominant allele on an autosome and the other parent does not carry the dominant allele, any child of theirs has a _____ chance of being heterozygous
a. 25 percent b. 50 percent c. 75 percent d. no chance; it will die
If the cell was a cube and you doubled the height, width, and length of the cell, how much would the volume increase?
A. 9-fold B. It would stay the same. C. 8-fold D. 4-fold E. 2-fold
Plasma membranes, the key boundary layer of cells, are composed of amphipathic molecules called phospholipids. Why would neither purely hydrophilic nor purely hydrophobic molecules be a suitable molecule for plasma membranes?
A) Hydrophobic molecules would dissolve in the aqueous environment in which cells live, disrupting the structural integrity of the cell, while hydrophilic molecules could not interact. B) Both hydrophilic and hydrophobic molecules would dissolve in the aqueous environment in which cells live, disrupting the structural integrity of the cell. C) Hydrophilic molecules would dissolve in the aqueous environment in which cells live, disrupting the structural integrity of the cell. D) Hydrophobic molecules would be unable to interact with the aqueous environment in which cells live. E) Hydrophilic molecules would dissolve in the aqueous environment in which cells live, disrupting the structural integrity of the cell, and hydrophobic molecules would be unable to interact with the aqueous environment in which cells live.
Shiga toxin kills cells by preventing protein synthesis.
Answer the following statement true (T) or false (F)