What mechanism is responsible for moving water in the xylem?

A. Respiration
B. Digestion
C. Photosynthesis
D. Transpiration


Answer: D

Biology & Microbiology

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A cross is performed between parents with genotypes aaBbCc and aaBbcc. What is the probability that the offspring

will have the same genotype as the first parent? Assume that capital letters indicate dominant alleles and lower case letters indicate recessive alleles.

a. 1/8 b. 1/4 c. 3/8 d. 3/16 e. 9/16

Biology & Microbiology

During which stage of the ovarian cycle will LH spike?

A. Secretory phase B. Proliferative phase C. Luteal phase D. Ovulation E. Follicular phase

Biology & Microbiology

You isolate a new bacterium from soil with a revolutionary new culture technique. You are interested in sequencing the genome of this organism using the whole-genome, or shotgun, sequencing approach

Of the following choices, what would be the best way to prepare the genomic DNA for sequencing? A) digestion with HpaI (CCGG) B) digestion with BamHI (GGATCC) C) digestion with EcoRI (GAATTC) D) digestion with NotI (GCGGCCGC) E) digestion with EcoRI, BamHI, and HpaI

Biology & Microbiology

Widespread use of pesticides has lead to pesticide-resistant insects, just as overprescribing antibiotics has led to antibiotic-resistant bacteria. These are both examples of ________ at work.

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

Biology & Microbiology