Examlex
Matching. Match the pigment with its relationship to sunlight.
-____ is the primary pigment in photosynthetic plants.
Fossil
Any past evidence of an organism that has been preserved in the Earth’s crust.
Billion Years
A period of time equal to one thousand million (1,000,000,000) years, often used to express the age of the Earth or the universe.
Continental Drift
The movement of the Earth’s crust by plate tectonics, resulting in the movement of continents with respect to one another.
Q6: Homeotic genes generally control<br>A) X chromosome inactivation.<br>B)
Q21: The column of water extending in tubes
Q21: DNA synthesis occurs in the nucleus. Its
Q22: The administrative assistant will never come in
Q22: repressor protein<br>A)a condensed X chromosome<br>B)protein that combines
Q38: the monomers of a polypeptide chain<br>A)amino acid<br>B)glucose<br>C)glycerol<br>D)fatty
Q40: Fertilization of plant gametes produces a<br>A) zygote.<br>B)
Q41: Which of the following statements is TRUE?<br>A)
Q54: Wilkins<br>A)discovered that the hereditary system of one
Q58: This codon terminates a coding region.<br>A)AUG<br>B)UAA<br>C)UUU<br>D)UUA<br>E)AAA<br>