There are many features that distinguish bacteria and archaea. Which of the following is/are characteristic of bacteria but not archaea? (Select all that apply.)A) Protein synthesis begins with formyl-methionineB) Presence of membrane bound organellesC) Growth inhibited by streptomycin and chloramphenicolD) Peptidoglycan in cell wallE) Nuclear envelope
What will be an ideal response?
A, C, D
Bacteria and archaea have many differences.
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When a recipient cell acquires a piece of naked DNA from the environment, it is called
A. conjugation. B. transduction. C. transfection. D. transformation.
The first major divergence after the evolution of the first cells was the split between ________ and ________
a. prokaryotes / a common ancestor of archaeans and eukaryotes b. prokaryotes / eukaryotes c. archaeans / a common ancestor of prokaryotes and eukaryotes d. prokaryotes / archaeans
The integumentary system functions in
a. protection. b. support. c. covering. d. contraction. e. resistance.
Water moves from a:
A) solution with more salt to a solution with less salt. B) hypertonic environment to a hypotonic environment. C) hypotonic environment to a hypertonic environment. D) low free-water solution toward a high free-water solution.