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Klio2033 [76]
3 years ago
9

Examine the illustration.

Biology
1 answer:
siniylev [52]3 years ago
8 0

Answer:

b

Explanation:

b is the nucleus and it contains the dna

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Two important checkpoints that regulate the cell's progression through the cell cycle occur in the _____ and _____ phases of the
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G1 and G2

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Chemosynthetic organisms are considered _______ (1 point)
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Chemosynthetic organisms are considered <u>autotrophs</u>

Option A

<h3>What is chemosynthesis?</h3>

It is a a special type of autotrophic nutrition whereby organisms use chemical energy to produce their own food by themselves.

In this case, chemosyntyethic or autotrophic bacteria produce their food using chemical energy

<h3>What are autotrophs?</h3>

Autotrophs are organisms that produces their food by themselves either through photosynthesis or chemosynthesis

Learn more about autotrophs:

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3 years ago
Standing in the elevator, someone sneezes on you infecting you with a new rhinovirus. However, it then takes 3-6 days until you
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After six to eight days, the adaptive immune response begins and is specific to the infection. It involves two types of white blood cells: T cells (cellular response) and B cells (antibody response).

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The body's defense against viral infections

At this stage, infection in phases one and two can be stopped.

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7 0
2 years ago
You are studying for a test, and trying to figure out how to answer some of the questions your teacher gave you. Explain how you
lianna [129]
T controls your voluntary muscles — the ones that move when you want them to. So you can't dance — or kick a soccer ball — without your cerebrum.
8 0
4 years ago
Read 2 more answers
5. Which describes the variable that is changed to test the prediction?
solong [7]

Answer:

Independent

Explanation:

An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).

This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.

In an experiment , the variable being manipulated by an experimenter is known as an independent variable while the dependent variable is the event expected to change when the independent variable is manipulated.

Hence, independent variable describes the variable that is changed to test the prediction.

6 0
3 years ago
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