What is it called when an oxygen-starved heart muscle no longer receives enough oxygen?
a. myocardial infarction
b. atherosclerosis
c. high HDL
d. an aneurism
e. arrhythmia
Answer: a. myocardial infarction
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If a monohybrid cross results in 1:2:1 genotypic and phenotypic ratios in the offspring, then which type of inheritance
might be at work?
a. dominance b. incomplete dominance c. epistasis d. pleiotropy e. polygenic inheritance
Which of the following statements is not true about natural selection?
a. Offspring of individuals that are better adapted will make up a larger proportion of the next generation. b. Natural selection directs evolution by preserving traits acquired during an individual's lifetime. c. Natural selection depends on the genetic variability in a population, which arises through mutations. d. Natural selection acts to preserve favorable traits and eliminate unfavorable traits. e. Natural selection leads to adaptive evolutionary change.
Which of the following would we say is unrestricted growth rate?
A) immigration B) exponential growth C) logistic growth D) S-shaped growth
List the layers of the gastrointestinal tract wall, starting with the outer layer and moving inward.
What will be an ideal response?