Following the end of the school year, you celebrate a great semester by gorging on pizza. Assuming that your pizza has several meat toppings, discuss where in the digestive tract those meat toppings will be digested
What will be an ideal response?
Proteins are digested in multiple locations. Chemical and mechanical digestion begins in the mouth and continues as the food enters the stomach. The digestion of proteins is completed in the small intestine, which is also the location for food absorption.
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The earliest evidence of biochemical reactions by living cells dates to about ____ billion years ago
a. 0.5 b. 1 c. 1.5 d. 2 e. 3.7
The taller a Brazil nut tree is, _____
1. the more valuable it is as a source of lumber 2. the less useful it is to harpy eagles 3. the greater its photosynthetic rate relative to neighboring plants A) 1 only B) 1 and 2 C) 1 and 3 D) 2 and 3
How are protein-encoding genes in eukaryotes transcribed?
a. by RNA polymerase III b. by RNA polymerase I c. by RNA polymerase II d. by DNA polymerase
Prokaryotes have chromosomes that are circular in structure. Which of the following would such chromosomes lack?
A. telomeres B. DNA double helix C. complementary base pairs D. replication origin E. sugar-phosphate backbone