Let S = smooth pea and s = wrinkled pea; Y = yellow pea and y = green pea. What pea phenotype would be produced by the genotype SsYy?
A) smooth, yellow B) wrinkled, yellow C) wrinkled, green D) smooth, green
Answer: A
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Which one of the following is never found in prokaryotic cells?
A) flagella B) capsule C) cilia D) ribosomes
Considering the human body as an ecosystem, which of the following statements is incorrect?
A. Microbes act as producers, consumers, and decomposers within the human ecosystem. B. The human ecosystem lacks an autotrophic niche. C. The microbiota in the human gut is comprised of heterotrophs. D. Energy for the human microbiome derives exclusively from the food we eat.
Where does the energy come from to drive photosynthesis?
A. A chloroplast B. ATP C. The sun D. Glucose
Human infants have a much larger portion of brown adipose tissue than adult humans. It was found that the mitochondria in brown adipocytes (brown fat cells) have a novel protein in the inner mitochondrial membrane
This protein, called the uncoupling protein (UCP), was found to transport protons from the intermembrane space into the matrix. A. What is the impact of UCP on oxidative phosphorylation in the mitochondria of brown fat? B. Propose an explanation for the higher proportion of brown fat cells in infants compared to adults.