Which of the following statements is(are) TRUE of
pigments?
a. They absorb some photons.
b. They reflect some photons.
c. They absorb photons of specific colors.
d. They absorb photons of specific wavelengths.
e. They do all of these.
Answer: e
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The science of ____ explains the origin and persistence of life, and studies the changes in living things
a. nanotechnology b. biology c. pharmacology d. mathematics e. chemistry
Not all plants can use the C4 pathway to avoid photorespiration
Indicate whether the statement is true or false.
You have just graduated from college as a business major, but have a special interest in genetics, ever since taking introductory biology with the new Life curriculum. Therefore, you decide to manage a pet store where you can dabble in animal breeding experiments. Your first investigation is with one of your childhood favorites, the guinea pig. When you cross a black guinea pig with a white
guinea pig, three of the offspring are black and three are white. When you cross two of the black offspring you get six black and two white offspring. Which phenotype is most likely dominant? How do you know? What are the genotypes of the original parental guinea pigs? What will be an ideal response?
Which statement is true?
A) Hormones travel via specific pathways to specific cells, while electrical signals travel through the blood to all areas of the body. B) Effects of hormones last for brief periods of time, while effects of electrical signals last for long periods of time. C) It takes longer for hormones to be released into the bloodstream and be taken to target cells than it does for electrical signals to be transmitted. D) Hormones have a direct connection with target cells, while electrical signals do not.