In order for signal transduction to work properly in plants, the
A. relay proteins need to amplify the signal and convert it into one that will alter the cellular machinery.
B. correct hormone needs to bind to the appropriate receptor in order to enter the cell.
C. gene expression must change to produce the appropriate cellular process.
D. All of the answer choices are correct.
Answer: D
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What does fitness mean when speaking in terms of evolution?
A. The size and diversity of the gene pool B. How many offspring an individual produces C. Level of overall health of the individual D. Physical strength of a given individual in a population
By using mice, researchers found a correlation between mutations in the gene APOA5 and ____
a. high triglycerides in blood b. breast cancer c. receptors of the immune system d. sickle-cell anemia e. Alzheimer’s disease
The technique often used in forensics that identifies individuals based on their genetic differences is referred to as:
a) DNA screening. b) DNA typing. c) DNA analyzing. d) DNA cloning. e) DNA fingerprinting.
An example of commensalism is a(n) ____.
A. a clown fish living in a sea anemone B. an orchid growing on a tree branch C. yucca plant seeds dispersed by yucca moths D. Canadian lynx preying on a snowshoe hare E. a tapeworm living in a human intestine