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zmey [24]
3 years ago
8

What two things protect our brain from damage?

Biology
1 answer:
NemiM [27]3 years ago
7 0

The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid.

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Many different types of mutations can occur within the body. An individual experiences a mutation that changes a base in a tRNA
chubhunter [2.5K]

Answer:

Substitution

Explanation:

There are 3 types of mutations: deletions, insertions, and substitutions.

A deletion deletes one of the bases (AGTC), which can completely mess up the sequence and create a completely different protein.

An insertion inserts a new base into the strand, which can also completely mess up the sequence and create a completely different protein.

A substitution just changes one of the bases to a different base. This doesn't usually affect what protein is made, but when it does, it only changes one of the amino acids in the sequence, whereas the others change all of the amino acids in the sequence.

If the same protein is still created, then this person only experienced a substitution because it didn't affect the end result of the protein.

5 0
3 years ago
Control and experimental groups. They repeated their experiment several times and found the results were the same.
Ira Lisetskai [31]

Answer: Experience 1 is the one that has the greatest reliability.

Explanation:    Because of this potential variation, biological experiments need to have a large sample size and preferably be repeated several times.  With more samples and repeating the experiment more often, the probability of arriving at a wrong conclusion due to random variation is diminished. As experience 1 has had several repetitions, it is the experience with a more reliable result.

3 0
3 years ago
The RNA meets with the organelle ribosome that will read it to build a polypeptide chain of amino acids, following the process o
konstantin123 [22]

The rough endoplasmic reticulum (RER) is is a series of flattened sacs connected to ribosomes. The Golgi Apparatus is an organelle composed of flattened stacked pouches known as <em>cisternae</em>.

In this case, the missing words indicate:

  • Specifically, this organelle is attached on the ROUGH ENDOPLASMIC RETICULUM (RER) which will help to modify and package the polypeptide product.
  • It puts it into a transport vesicle to be sent over to the GOLGI APPARATUS  to add molecular tags and sort it, like a post office.

  • The RER is required for the production and secretion of different hormones and proteins.

  • The Golgi apparatus plays fundamental roles associated with the transport, modification, and packaging of proteins and lipids into vesicles, which are subsequently delivered to specific cellular destinations.

  • Both the RER and Golgi apparatus form part of the endomembrane system.

Learn more in:

brainly.com/question/8010049?referrer=searchResults

8 0
3 years ago
What are some ways water is used inside and around the home? Check all that apply. boiling pasta for dinner watering the front l
sleet_krkn [62]

The answers that apply are;

  • boiling pasta for dinner
  • watering the front lawn
  • brushing teeth before bed

Around the homestead, water is not used in an industrial scale.

3 0
3 years ago
Read 2 more answers
What is a possible advantage of genetically modified crops
mario62 [17]
<span>They can rais the number of crops produced in an amount of time, they can also reduce the need for harmful pesticides. However, they may cause more allergies in humans, producing a health risk.</span>
6 0
3 years ago
Read 2 more answers
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