Dissolved sugars are transported in:

a. cork cambium.


b. epidermis.
c. pith.
d. phloem.
e. xylem


d

Biology & Microbiology

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The atomic ratio of carbon, hydrogen, and oxygen for most carbohydrates is:

a. 1:2:1 b. 1:2:2 c. 2:1:1 d. 2:1:2

Biology & Microbiology

If a diploid sperm fertilizes a diploid egg it will produce a ____ zygote.

a)triploid b)tetraploid c)diploid d)haploid e)hexaploid

Biology & Microbiology

Rickettsias differ from chlamydias in that rickettsias

A) are gram-negative. B) are intracellular parasites. C) require an arthropod for transmission. D) form elementary bodies. E) are enterics.

Biology & Microbiology

All of the following are used by bacteria to attach to host cells EXCEPT

A) M protein. B) ligands. C) fimbriae. D) capsules. E) A-B toxins.

Biology & Microbiology