Peptide bonds form between ____
a. two amino groups
b. two carboxyl groups
c. a carboxyl group and an R group
d. an amino group and a carboxyl group
e. an amino group and an R group
d
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Smooth muscle is
a. involuntary and nonstriated. b. responsible for movement of the skeleton. c. involved in contraction of the heart. d. connected to bones by tendons. e. involuntary, nonstriated, and involved in contraction of the heart.
Antibiotic resistance in both MRSA and tetracycline-resistant bacteria involves regulating the expression of genes that remove antibiotics from the cell. Both types of gene regulation involve:
What will be an ideal response?
Which location would MOST likely contain endolithic green algae such as Trebouxia?
a. aquatic habitats b. cold and dry Antarctica c. hot spring d. well-lit rainforest
Assuming you have a typical plasma membrane at room temperature, which of the following conditions would cause an increase in membrane fluidity?
Group of answer choices 1. Increasing the length of the fatty acid chain. 2. Increasing the degree of lipid saturation 3. Increasing the number of un-saturated bonds in glycerol. 4. Increasing the number of double bonds in the fatty acid chains 5. Decreasing the length of the fatty acid chain. 6. Decreasing the size of the phospholipid head group. 7. Adding additional cholesterol Decreasing the number of un-saturated bonds in glycerol. 8. Removing some of the membrane cholesterol 9. Decreasing the degree of lipid saturation 10. Lowering the room temperature 11. Increasing the size of the phospholipid head group.