Which of the following scientist-discoveries is mismatched?
A. Watson, Crick, Wilkins, and Franklin-DNA structure
B. Avery, MacLeod, and McCarty-DNA is the genetic material
C. Meselson and Stahl-mechanism of DNA replication
D. Griffith-chromosomes
E. Hershey and Chase-DNA is the genetic material of bacteriophage
D. Griffith-chromosomes
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What is a major similarity and difference between photorespiration and aerobic respiration?
What will be an ideal response?
DNA sequences that do not code for proteins
A. All of the answer choices are correct. B. are nonfunctional pseudogenes. C. are structural, with repeated and translocated sections. D. regulate gene expression. E. transcribe mRNA, tRNA, and rRNA.
The thick layers of cells covering and protecting the delicate apical meristem is called the:
a. root cap. b. root hairs. c. pericycle. d. adventitious root. e. radicle.
An erection of the penis results most directly from:a
the bone present in the penis. b. dilation of the veins leading from the penis. c. contraction of the muscles within the penis. d. dilation of the arteries in the penis. e. a blocking of enzymes within the penis.