Describe what is meant by a DNA fingerprint and how it is used in forensic science.
What will be an ideal response?
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Phospholipase is an enzyme that cleaves the phosphate head group off a phospholipid molecule. The plasma membrane is not, however, permeable to the enzyme
Imagine a cell where phospholipid A is present in the monolayer facing the exterior of the cell, and phospholipid B is present in the monolayer facing the interior of the cell. After adding phospholipase to the medium in which the cell is growing, what would you expect to find in the fluid surrounding the cell? A. the phosphate head group from phospholipid A only B. the phosphate head group from phospholipid B only C. phosphate head groups from both phospholipids A and B D. phosphate head groups from neither phospholipids A nor B
The human immunodeficiency virus (HIV) primarily infects which cells?
a. red blood cells b. mast cells and basophils c. B cells and cytotoxic T cells d. NK cells e. macrophages, dendritic cells, and helper T cells
Ectothermic animals regulate their body temperature by ____
a. adjusting their metabolism b. relying on insulation such as feathers c. growing hair d. foraging for food e. altering their position
I give you a coin, and you flip it 100 times. Let X = the number of heads observed in those 100 flips. You build the following line of reasoning:Steps1. You assume each flip is an independent, random outcome.2. You assume the coin is fair.3. Using your statistics book, you conclude that X is distributed binomial with mean 50 and variance 25.4. Based on this distribution, you conclude that you would observe X < 41 or X > 59 approximately 5% of the time.5. You observe X = 37 and conclude that the probability that X < 41 or X > 59 is not 5%.6. Because the probability that X < 41 or X > 59 is not 5%, you conclude the coin is not fair.Which of these steps is part of inductive reasoning?
A. Step 6 only B. Steps 5 and 6 only C. Steps 1, 2, and 3 only D. Step 5 only