Biology, 26.05.2020 19:01 keithlavender123
Jesse accidently eats chicken that is infected with salmonella. Where would the virus first encounter the defenses of the lymphatic system?
A) In the Peyer's patches, which are located in the intestines
B) In the Peyer's patches, which are located in the neck
C) In the thymus, which is located in the intestines
D) In the thymus, which is located in the neck
Answers: 1
Biology, 21.06.2019 20:10
Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus
Answers: 1
Biology, 22.06.2019 04:00
Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.
Answers: 2
Biology, 22.06.2019 09:00
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
Answers: 2
Biology, 22.06.2019 18:30
12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.
Answers: 1
Jesse accidently eats chicken that is infected with salmonella. Where would the virus first encounte...
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