A patient comes to you with a pain in their stomach, being an industrious medical doctor you take a sample of their gut bacteria. You notice the helical shaped bacteria, you suspect the patient is infected with
A) Wollinella
B) Campylobacter
C) Alviniconcha
D) Helicobacter pylori
E) none of the above
Answer: D) Helicobacter pylori
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The fusion of gametes during fertilization restores the ____________________ number of chromosomes
Fill in the blank(s) with correct word
Mutation rates of human genes are expressed as the number of ____
a. nucleotides substitutions per gene b. frameshift mutations per genome c. mutated alleles per genome d. induced mutations per generation e. mutated alleles per gene in each generation
Sea anemones, hydra, and sea jellies digest food extracellularly within a
A) gastrovascular cavity. B) lysosome. C) rumen. D) food vacuole. E) digestive tract.
In cardiac muscle
A) calcium enters the cell from storage chambers called intercalated discs. B) an action potential spreads throughout the Z discs. C) potassium is released from the sarcoplasmic reticulum. D) intercalated discs connect the muscle fibers together.