If a woman is homozygous for a particular X-linked disease, she will pass the disease on to ________ of her sons.
Fill in the blank(s) with the appropriate word(s).
Ans: 100%
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Which of the following sex and generation combinations directly produces the pollen tube of angiosperms?
A) male gametophyte B) female gametophyte C) male sporophyte D) female sporophyte E) bisexual gametophyte
Organisms are composed of molecules, which are collections of smaller units, termed:
A. monomers. B. atoms. C. electrons. D. polymers. E. ions.
The loss of an electron by a molecule is called
__________. Fill in the blank(s) with the appropriate word(s).
During an infection, white blood cells travel to the infected site and phagocytize the pathogens. After phagocytosis,
primary lysosomes fuse with the phagocytic vesicle to form a larger vesicle called a secondary lysosome. The purpose for this process is to: a. Both B and D. b. degrade the bacteria and export it from the cell. c. wrap the pathogen in additional membrane, rendering them harmless. d. mix the pathogens with strong hydrolytic enzymes and destroy them. e. coat the bacteria in lipids derived from the Golgi complex, which cover and smother them.