Which of the following is the best summary of the process of photosynthesis?
A) Plants turn sunlight into sugars.
B) The majority of the mass of plant-made sugars comes from water and nutrients from the soil.
C) The majority of the mass of plant-made sugars comes from the atmosphere.
D) Plants make sugars by breaking down other organic molecules and using those components to make sugars.
Answer: C
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Which of the following is produced during oxidative phosphorylation?
a. water b. carbon dioxide c. NADH d. FADH
To detect whether or not a cell has a specific region of a gene, researchers add radioactively labeled DNA molecules that can bind to their complementary DNA sequences. To detect a mutant version of the BLM gene, researchers added the radioactive DNA
molecule 5' - GCTAGCTAAGCCCA - 3' to cells. What DNA sequence were the researchers trying to detect? A) 5? - GCTAGCTAAGCCCA - 3' B) 3? - GCTAGCTAAGCCCA - 5' C) 5? - CGATCGATTCGGGT - 3' D) 3? - CGATCGATTCGGGT - 5'
________ is characterized by unusually cold ocean temperatures in the eastern Pacific.
Fill in the blank(s) with the appropriate word(s).
In eukaryotes, most proteins contain short stretches of amino acid sequences called sorting signals that direct the protein to the correct cellular location.
Answer the following statement true (T) or false (F)