The process by which immune cells engulf and then destroy bacteria is known as

Biology

1 answer:

scoundrel [369]3 years ago

5 0

Phagocytosis is the process by which immune cells engulf and then destroy bacteria

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1. DNA replication begins by breaking apart the hydrogen bonds between complementary DNA? True or False

Wittaler [7]

the first one is false because DNA replication doesn't begin by breaking apart the hydrogen bonds thats the second step

-the second one is true

7 0

4 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.

3 0

3 years ago

Suppose that a batch of controlled-release pills intended to be taken every 12 hours were accidentally manufactured without thei

mr_godi [17]

Answer:Nothing would happen

Explanation:

6 0

3 years ago

Which tectonic plate boundary caused the structure that is circled in the image?

pochemuha

Answer:

I'm guesssing it's B? I did this a very long time ago( two weeks ago)

Explanation:

Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. While the process of forming these mountain ranges is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.

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3 years ago

What best describes the role of molecular oxygen (O2) in aerobic respiration?

igomit [66]

Answer:

Explanation:

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3 years ago

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