Which statement is true according to plate tectonics theory?

Biology

1 answer:

Reptile [31]3 years ago

6 0

The answer is A because it is in order( idk how to explain but its A)

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Time Remaining 22 minutes 56 seconds00:22:56 Item 9 Time Remaining 22 minutes 56 seconds00:22:56 Production of a neurotoxin that

Radda [10]

Answer:

The correct answer is: Clostridium Tetani.

Explanation:

Clostridium tetani is a Gram-positive bacteria found in soil.

C. tetani may grow and generate tetanospasmin, a powerful toxin that interferes with motor neurons, producing tetanus, if introduced into a wound.

Tetanospasmin travels throughout the body via the lymphatic and bloodstream, where it is taken up by different sections of the nervous system. Tetanospasmin inhibits the release of the inhibitory neurotransmitters glycine and gamma-aminobutyric acid at motor nerve terminals in the nervous system. This blockage causes extensive motor neuron activation and muscular spasming. These muscle spasms usually start at the top of the body and work their way down, starting about 8 days after infection with lockjaw and progressing to spasms of the stomach muscles and extremities. The muscle spasms last several weeks.

Tetanus toxoid vaccinations, which are often given to children around the world, can inhibit the toxin's activity.

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3 years ago

the first stage of nuclear cell division in which centrioles move to opposite ends of the cells and chromosomes, spindle fibers,

lidiya [134]

Prophase is the first stage of cellular division. Followed by metaphase, anaphase, and telophase.

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3 years ago

What are reef producing coral called? What is the coral reef composed of? How are they created?

pantera1 [17]

A coral reef is made of thin layers of calcium carbonate. Coral polyps form a living mat over a calcium carbonate skeleton. Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures.

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3 years ago

A mouse geneticist selected for increased 12-day litter weight (total weight of a litter of offspring 12 days after birth) in a

wlad13 [49]

Answer:

12-day litter weight is a trait that has an important genetic influence and therefore also a high response to selection

Explanation:

Heritability is a statistical measure of how much of the variation in a given trait can be attributed to genetic differences and how much of trait variation is due to environmental factors. A heritability value close to 1 indicates that almost all of the variability is due to genetic factors, while being poorly influenced by environmental factors. In this case, 12-day litter weight is a trait that exhibits an important genetic component (i.e., a high heritability value), thereby the correlation between parent and offspring will be high and lines selected for this trait will show a high response to selection.

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3 years ago

What information is contained in the branches of a cladogram?

Brums [2.3K]

The branching point on a cladogram represents a common ancestor. A cladogram is a diagram used in cladistics to show relations among organisms. However it is not an evolutionary tree since it does not show how ancestors are related to descendants, nor does it show how much they have changed.

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3 years ago