This cellular structure lacks a membrane:  

A.  microbody
B.  nucleus
C.  nucleoid
D.  endoplasmic reticulum
E.  Golgi body


C.  nucleoid

Biology & Microbiology

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Because the TCA cycle is associated with degradation and synthesis, the pathway is said to be

A) anabolic. B) amphibolic. C) catabolic. D) bipolar. E) amphipathic.

Biology & Microbiology

Mechanical receptors can be used to stun or kill prey

Indicate whether the statement is true or false.

Biology & Microbiology

The function of chelicerae is similar to that of the __________ in crabs and lobsters

a. reproductive organs. b. antenna. c. mouthparts. d. claws.

Biology & Microbiology

If reproduction was not limited, how many descendants could a single pair of elephants have after 750 years, according to Darwin's calculations?

a. 15 000 b. 150 000 c. 19 million d. 190 million

Biology & Microbiology