The end result of cleavage is a(n) ____
a. blastula
b. gastrula
c. zygote
d. embryo
e. mesoderm
ANSWER: a
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The main form of nitrogenous wastes released by mammals to their environment is ____
a. nitrate b. ammonia c. uric acid d. amino acids e. urea
Negative staining with India ink can be used to reveal the presence of capsules that surround bacterial cells.
Answer the following statement true (T) or false (F)
Refer to Figure 29-1. The structure labeled 1 is:
a. a conidium.
b. a perforated septum.
c. a hypha.
d. a basidium.
e. a spore
Which of the following is the best way to state the relationship between "data" and "results"?
A) "Data" and "results" are two names for the same thing. B) "Data" are the facts you collect from your experiment, whereas "results" are your interpretation of what the data mean. C) Any two scientists examining the same "data" would draw the same "results." D) The "Data" section should always come before the "Results" section in a scientific paper. E) Results are collected from the experiment and then data analysis is done