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3 years ago

I NEED HELP WITH THIS ASAP!!

Biology

1 answer:

elena-14-01-66 [18.8K]3 years ago

8 0

Explanation:

1. the similarity between biosphere and ecosystem is that they both have organisms that depend on each other and the difference is that biosphere uses every single organism while ecosystem only uses organisms that are inside of the ecosystem. 2. the similarity between theory and hypotheses is that they are both something that have to be scientifically proven and the difference is a theory relies on evidence and a hypothesis relies on a possibility. 3. a similarity between independent variable and constant is that they both change at the same time and the difference is that an independent variable is controlled or changed by the scientist while a controlled variable is one that they want to remain the same.

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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

HCI+Na>NaCl+H2 what is the answer

kolezko [41]

Here's the balanced chemical equation for the given Reaction,

2 HCl + 2 Na =》2 NaCl + H2

i hope it helped you......

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3 years ago

Select the correct answer from each drop-down menu. nuerons

Oliga [24]

Where are the answers?? Lol

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3 years ago

What do you know about the Punnett Square? (Don’t research it or you will not get credit for this question.)

Ivanshal [37]

Answer:

Well it says not to research so here's a brief definition: A punnet square is a diagram that shows the genotypes of a cross and helps predict the probability of having certain genotypes.

Explanation:

Heres some words to know

-Dominant

-Recessive

-Allele

-Mendel's law of Heredity

Let me know if you want more explanation on these :)

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