Which evolutionary milestone is not attributed to the rise of seeds?
A. Appearance of flagellated sperm that swim to eggs
B. Protection of female spores and gametophytes within the body of the sporophyte
C. Development of the ovule
D. Emergence of sexually different spores
E. Trend toward reduced gametophytes
Ans: A. Appearance of flagellated sperm that swim to eggs
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A) assembling gene sequences together into genome and creating a living organism from it B) creating a new metabolic pathway that produces a previously unidentified compound C) developing a novel polyvalent vaccine D) making Escherichia coli phototrophic
Germline gene therapy would correct a genetic defect in
A) an unaffected individual and his or her offspring. B) an individual derived from the gamete that received gene therapy and all of his or her descendants. C) the parents of an affected individual. D) the unaffected sibling of an affected individual.
Discuss how photosynthesis is a natural partner for aerobic respiration. What will be an ideal response?
Which of the following is another name for the template strand (the strand of DNA that is transcribed)?
A) anticodon strand B) antisense strand C) sense strand D) transcription strand