In the amniote egg diagram shown, the item labeled "5" is the
a. yolk sac.
b. chorion.
c. allantois.
d. amnion.
e. albumin.
A
Biology & Microbiology
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Because peptidoglycan lies outside the plasma membrane, all steps in the complex synthesis process of this molecule takes place outside the cell.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The study of hantaviruses requires biosafety level (BSL) 4 precautions
Indicate whether the statement is true or false.
Biology & Microbiology
Microbes such as Lactobacillus acidophilus colonize the human vagina by fermenting ________.
A. sucrose B. lactose C. glycogen D. glucose
Biology & Microbiology
Four of the five choices listed below describe
changes at the chromosomal level. Select the exception. a. base-pair substitution b. duplication c. translocation d. deletion e. inversion
Biology & Microbiology