Which of the following is filtered from blood but NOT normally found in urine?
a. water
b. red blood cells
c. H+
d. amino acids
e. urea
Ans: d. amino acids
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Why did local residents in the Pacific Northwest remain hostile to conservation efforts?
a. When the northern spotted owl was listed as endangered, logging workers lost jobs. b. The northern spotted owl has not been listed as endangered. c. When the northern spotted owl was listed as endangered, the logging industry experienced a boom. d. Conservation efforts to protect trees from logging have been unsuccessful. e. Conservation efforts focus on the local population and take their jobs into consideration.
The cell in the accompanying illustration is in ____
a. prophase I. b. metaphase I. c. anaphase I. d. prophase II. e. anaphase II.
Answer the following statements true (T) or false (F)
1.BMI stands for body mass index. 2.The solid waste that leaves the digestive tract of a vertebrate is called chyme. 3.The process by which a cell engulfs particulate matter is phagocytosis. 4.In herbivores, the cecum is small because the food they ingest is easily digested. 5.Symbiotic bacteria in the large intestine help prevent infection by pathogenic bacteria.
A portion of an mRNA attached to a ribosome reads: 5? GACCAUUUUUGA 3? If a tRNA with a histidine amino acid attached is in the P site of the ribosome, a tRNA with which amino acid attached will enter the A site?
A) aspartic acid B) proline C) serine D) phenylalanine E) tyrosine