Which of the following are NOT phototrophic bacteria?

a. heliobacteria
b. purple sulfur bacteria
c. sulfur-oxidizing bacteria
d. cyanobacteria


Answer: C

Biology & Microbiology

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When homologous chromosomes cross over, what occurs?

A) Two chromatids get tangled, resulting in one re-sequencing its DNA. B) Two sister chromatids exchange identical pieces of DNA. C) Corresponding segments of non-sister chromatids are exchanged. D) Maternal alleles are "corrected" to be like paternal alleles and vice versa.

Biology & Microbiology

An ecological footprint

A) is a means of determining increases in populations that lived in the past. B) is a means of understanding resource availability and usage. C) measures dispersion and adaptability. D) will estimate population movements.

Biology & Microbiology

________ _______ is involved in breaking hydrogen bonds during DNA replication

a) DNA Polymerase b) Peptidyl transferase c) Helicase d) RNA Polymerase

Biology & Microbiology

Appraise and evaluate the following statement, and cite evidence from the chapter as appropriate: Despite having a closer "outward" appearance to plants in some ways, evidence support fungi as being far more closely related to animals than plants

What will be an ideal response?

Biology & Microbiology