After crossing over, both chromosomes will contain new alleles at the point of crossover.
a. true
b. false
Ans: a. true
Biology & Microbiology
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Bioluminescence genes have been transferred to
Escherichia coli bacteria in order to a. identify an antibiotic effective against the strain. b. kill them. c. locate them in the patient. d. cause them to become noninfective. e. demonstrate their metabolic activity.
Biology & Microbiology
Bacteria and fungi secrete ________ into plant and animal tissues to break down the complex organic compounds
Fill in the blank(s) with correct word
Biology & Microbiology
The diurnal or nocturnal behavior of animals is regulated - in a large part - by which of the following hormones?
A. calcitonin B. serotonin C. melatonin D. oxytocin E. epineprhine
Biology & Microbiology
In general, the form of energy that is least useful to living organisms is
a. chemical. b. electrical. c. heat. d. light. e. sound.
Biology & Microbiology