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Biology

2 answers:

kolezko [41]2 years ago

6 0

Uhm which do I answer

nadya68 [22]2 years ago

3 0

Answer:

I will edit this when i get the answer

the real and correct one

Explanation:

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One reason the skeletal system is important is because __________. A. without the skeletal system, an individual would not have

serg [7]

Answer: The correct answer for the fill in the blank is B. The skeletal system creates the connective tissue and tendons that allow the body to move.

Skeletal system is network of bones and other connective tissues ( like cartilage, ligaments, tendons) that serve different functions of the body.

For instance, it provides structural support to the body and assists in different body movements.

Most of the skeletal muscles are attached to the bones via tendons ( fibrous connective tissue) and when they ( muscles) contract, they produce movements by pulling bones.

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3 years ago

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the preserved remains or evidence of ancient living things is a. index fossil b. fossil c. unconformity superposition

madam [21]

B Fossil hope this helps

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3 years ago

An example of a bony fish would be

Illusion [34]

One example could be a Catfish, hope i could help out.

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3 years ago

What term is used to describe bacterial cells that can naturally take up dna from their environment?

Maru [420]

<h2>The correct answer is: Competent cells</h2>

Explanation:

Bacterial cells have the capability of incorporating foreign naked DNA or deoxyribonucleic acid fragments from the environment or the exterior of the cell to the interior of the cell. This process is known as Transformation.
The bacterial cells which are able to undergo transformation are called Competent bacterial cells.
Some of the bacterial cells are naturally competent like<em> Bacillus subtilis, Streptocossus pneumoniae</em> while others like <em>Escherishia coli </em>need to be chemically treated to make them artificially competent.
In natural competence, the foreign DNA from the cell exterior is incorporated into the cell interior through specific protein complexes present in the plasma membrane of the bacterial cells.
In artificial competence, the negative charge on foreign DNA is masked by positively charged calcium ions (so that it is not repelled by the negative charge of the lipid bilayer of the bacterial cell plasma membrane) and then small pores are created in the lipid bilayer of the plasma membrane of the bacterial cells by giving a heat shock to the cells. This results in the uptake of the DNA by the bacterial cells.

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3 years ago

Which of the following biomes are considered temperate biomes?

BaLLatris [955]

What are the Biomes?

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3 years ago