All organisms in domain ____ are single-celled

a. Protists
b. Fungi
c. Plants
d. Bacteria
e. Eukarya


ANSWER: d

Biology & Microbiology

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Which of the following statements about probes used in hybridization methods are true?

A. The probe could be a gene from another species. B. They are usually radiolabelled or conjugated with a fluorescent tag so they can be visualized. C. They can be synthetic DNA sequences based on known amino acid sequences. D. They can be based on DNA sequence information from a sequence database. E. All of these statements about hybridization probes are true.

Biology & Microbiology

If an atom has a charge of +1, which of the following must be true?

A) It has two more protons than neutrons. B) It has the same number of protons as electrons. C) It has one more electron than it does protons. D) It has one more proton than it does electrons.

Biology & Microbiology

RNA viruses such as HIV require the activity of reverse (polymerase/transcriptase/transposase) to become proviruses

What will be an ideal response?

Biology & Microbiology

First part of the small intestine_______________________

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology