The earliest stone tool technology:

A. Acheulian
B. Aurignacian
C. Chatelperronian
D. Mousterian
E. Oldowan


Answer: E. Oldowan

Biology & Microbiology

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The result obtained in Jacob and Monod's merodiploid analysis that suggested the lacO region acts in cis to regulate the lac operon was:

A. a nonfunctional lacI mutant is rescued by a wild-type lacI allele. B. a nonfunctional lacI mutant cannot be rescued by a wild-type lacI allele. C. a nonfunctional lacO mutant is rescued by a wild-type lacO allele. D. a nonfunctional lacO mutant cannot be rescued by a wild-type lacO allele.

Biology & Microbiology

In a Punnett square diagram, the outside of the box represents the _________

A. Diploid offspring B. Haploid offspring C. Diploid gametes D. Haploid gametes

Biology & Microbiology

The major body part(s) derived from ectoderm is/are

A) the nervous system and skin. B) bone tissue. C) the respiratory tract, urinary bladder, and urethra. D) the liver and pancreas.

Biology & Microbiology

Bacteria are abundant and useful decomposers. What are fungal decomposers able to do better than bacteria?

What will be an ideal response?

Biology & Microbiology