Which of the following is heterosporous?

a. whisk fern
b. spike moss
c. horsetail
d. liverwort
e. hornwort


b

Biology & Microbiology

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Snails are examples of ____

a. cephalopods b. pseudopods c. monopods d. gastropods e. polypods

Biology & Microbiology

During an hydrolysis reaction, ____

a. covalent bonds are formed b. a water molecule is formed c. bonds are broken d. polymers are formed e. condensation occurs

Biology & Microbiology

Which of the following accounts for the negative control of operons?

a. promoters b. repressors c. structural genes d. operators e. deactivators

Biology & Microbiology

The presence or absence of an envelope is not useful in classifying viruses because any given virus may at one time have an envelope and at another time not have an envelope.

Answer the following statement true (T) or false (F)

Biology & Microbiology