Which organelle has enzymes to digest molecules in the cell:
a. vacuoles
b. chloroplast
c. mitochondria
d. lysosomes
Ans: d. lysosomes
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Most synapses found so far in the mammalian central nervous system (CNS) are classified as _____
A) chemical rather than electrical B) electrical rather than chemical C) magnetic rather than chemical D) magnetic rather than electrical
Four of the five plants listed below are C4 plants
Select the exception. a. corn b. spinach c. sugarcane d. crabgrass e. Bermuda grass
If these resistant individuals continue to survive and prosper, new resistant populations might emerge. This would be an example of ________.
A. sexual selection B. natural selection C. the founder effect D. genetic drift
What was likely the first informational molecule of life?
A. carbohydrates B. lipids C. proteins D. RNA E. DNA