Which of the following does NOT possess a double membrane?

A) Nuclear envelope
B) Plastid
C) Ribosome
D) Mitochondrion
E) Chloroplast


C

Biology & Microbiology

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Protein misfolding causes ____

a. Creutzfeldt-Jakob disease b. arthritis c. immunodepression d. schizophrenia e. tuberculosis

Biology & Microbiology

Sea urchins and jellyfish are both radially symmetrical, but sea urchins and humans are much more closely related than sea urchins and jellyfish. Why is this true?

A. Sea urchins have bilaterally symmetrical larvae and exhibit radial cleavage. B. Humans are descendents of sea urchins not jellyfish. C. Jellyfish have bilaterally symmetrical, triploblastic larvae. D. Humans are radially symmetrical during most of their embryonic development.

Biology & Microbiology

Carbon fuchsin contains:

a) acid fuchsin and hydrochloric acid b) acid fuchsin and phenol c) basic fuchsin and hydrochloric acid d) basic fuchsin and phenol

Biology & Microbiology

"Three-day measles" is caused by the (roseola/rubella/rubeola) virus

What will be an ideal response?

Biology & Microbiology