Darwin’s experiments on phototropism illustrated that
a. plant stems bend away from bright lights.
b. signals from plant roots control phototropism.
c. an opaque cap placed over a shoot tip will cause a plant to bend toward light, but will
inhibit growth.
d. a translucent cap placed over a shoot tip will cause a plant to bend toward light, but will
inhibit growth.
e. a translucent cap placed over a shoot tip will cause a plant to both grow and bend toward
light.
E
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______ collagen is the most rigid and is very abundant in bones and tendons?
A. Type IV B. Type V C. Type I D. Type III E. Type II
The male organ of sexual intercourse is called the ________
Fill in the blank(s) with the appropriate word(s)
Identify and briefly describe the labeled structures in the cross section of the vertebrate embryo.
What will be an ideal response?
How does a patient typically become infected with hookworms?
A) Cysts are spread onto fomites when an infected host does not properly wash their hands and then the patient touches that object and doesn't wash their hands before eating. B) Cysts are spread via respiratory droplets when an infected host coughs or sneezes. C) Eggs are ingested when the patient eats infected seafood. D) The worm penetrates the skin when the patient walks outside barefoot. E) Cysts are ingested when the patient eats undercooked meat.