The gender of a human child is determined by the
a. loci.
b. egg.
c. autosomes.
d. sperm.
d. sperm.
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All of the following are second messengers, except
A) cyclic adenosine monophosphate. B) inositol trisphosphate. C) diacylglycerol. D) epinephrine. E) calcium ions.
In an existing population of plants and mycorrhizae, disease strikes and the mycorrhizae are killed. Which of the following would be impacted? Check all that apply.
_____ the water supply to the plant _____ the availability of mineral nutrients to the plant _____ the binding of the soil and erosion _____ the supply of organic food to the plant
Blood plasma is separated from cells by interstitial fluid
Indicate whether the statement is true or false.
Which of the following does NOT describe bacterial flagella?
a. smaller and simpler than eukaryotic flagella b. consist of a helical fiber of protein c. found in all motile bacteria d. powered by a gradient of hydrogen ions e. lacks microtubules.