People who do not exhibit changes in blood pressure based on a circadian rhythm are more likely to have a heart
attack.
Indicate whether the statement is true or false.
ANSWER: True
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Define how the term "palindrome" is used in describing DNA sequences, and describe in one or two sentences a process/activity that depends on palindromic sequences
What will be an ideal response?
The meteors in meteor showers are believed to be the debris left behind in comet orbits
a. True b. False Indicate whether the statement is true or false
DNA differs from RNA because DNA
A) contains thymine in place of uracil. B) consists of a single rather than a double polynucleotide strand. C) contains the sugar ribose rather than the sugar deoxyribose. D) contains phosphate groups not found in RNA.
The event that triggers fruit formation is the growth of a pollen tube through the carpel of a flower. Identify a reasonable hypothesis about the basis of this effect
A) Pollen tubes grow in response to a cytokinin produced by the carpel. B) Pollen tubes grow in response to abscisic acid. C) The growing pollen tube produces ethylene. D) The growing pollen tube produces auxins and/or gibberellins.