Hormones are cleared from the body by endocrine glands

Indicate whether the statement is true or false.


ANS: F, enzymatic breakdown

Biology & Microbiology

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The term monoecious is best described as referring to the flower in what way?

A. It refers to the number of flower parts. B. It describes where the parts are located. C. It has nothing to do with flower parts. D. It refers to the carpellate and staminate parts. E. It means there are missing parts on the flower.

Biology & Microbiology

The United Nations projects a stabilizing world population at

A. two billion. B. seven billion. C. ten billion. D. fourteen billion. E. None of these choices are correct.

Biology & Microbiology

Indicate the order of the point mutations in the rII region.

Shown below are the maps of a series of rII- deletion strains (1–5). The deleted region is indicated as (......) and the intact region as ______. Note that strain 5 carries two different deletions.

1 ___________(...........)_______________


2 _________________(...........)_________


3 (.....................)_____________________


4 ________________________(................)


5 _____(..........)________________(.........)

rII- phage strains A-E have point mutations in the rII region. E.coli K(?) cells are coinfected with one phage that has a deletion and one phage that has a point mutation. The presence of wild-type progeny phage is assessed by the presence (+) or absence (o) of plaques.



A) CADBE
B) DEBAC
C) BADCE
D) ABDEC
E) CEADB

Additional question (answer with TRUE or FALSE) :

The test described here depends on recombination.

Biology & Microbiology

Sensory receptors that are plasma membrane receptors that bind to particular molecules are most likely ____________.

Fill in the blank(s) with correct word

Biology & Microbiology