Sucrose is composed of ____
a. two molecules of fructose.
b. two molecules of glucose.
c. a molecule of fructose and a molecule of glucose.
d. a molecule of fructose and a molecule of galactose.
e. a molecule of glucose and a molecule of galactose.
c
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Which of the following explains why the owl
has its head almost upside down? a. Photoreceptors are concentrated near the bottom of the eye. b. Photoreceptors are concentrated near the top of the eye. c. Loud music from a passing car caused damage to the sense of balance. d. It is trying to remove water from its ear after a hard rain. e. None of these are an accurate explanation
Which of the following is not associated with leaf abscission?
a. Chlorophyll breaks down. b. Anthocyanins accumulate. c. A layer of cork develops. d. The middle lamella is strengthened. e. Carotenoids become visible.
Charles Darwin proposed a mechanism for descent with modification that stated that organisms of a particular species are adapted to their environment when they possess _____
A) non-heritable traits that enhance their survival in the local environment B) non-heritable traits that enhance their survival and reproductive success in the local environment C) heritable traits that enhance their survival and reproductive success in the local environment D) heritable traits that decrease their survival and reproductive success in the local environment
A blood pressure of 90/40 is considered normal.
Answer the following statement true (T) or false (F)