Johann Miescher worked with __________ cells
a. sperm
b. red blood
c. nerve
d. muscle
e. none of these
Answer: a
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What do gametes, spores, and the gametophyte
generation have in common? a. They are all diploid. b. They are all haploid. c. They are present in vascular plants only. d. They are all produced by meiosis. e. They have none of these in common.
Most microbial contaminants of food are killed or inactivated at freezing temperatures.
Answer the following statement true (T) or false (F)
Interference competition is also called contest competition. Indicate whether the statement is true or false
The global phosphorus cycle is called a "cycle," yet it has no atmospheric component. Phosphorus weathers from rocks and enters the soil. Once phosphorus is incorporated into plants or animals, how is it returned to the rock phase?
What will be an ideal response?