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Leviafan [203]
3 years ago
5

A student is studying cells and uses a school as a model to represent the cell. Which part represents the cafeteria- where food

is eaten and students get energy?
A)Nucleus
B)Cytoplasm
C)Cell membrane
D)Mitochondria
Biology
1 answer:
azamat3 years ago
4 0

Answer:

D

Explanation:

mitochondria is the power house of the cell

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Did earth experience normal or reverse polarity 1.5 million years ago
azamat

Normal polarity

Explanation:

Earth's magnetic field used to be twice as strong 1.5 billion years ago as it is today and Earth's temperature other than what the geologists see from the 'normal' pattern. It has been noticed that some volcanic rocks were magnetized in opposite direction to the direction of the local Earth's field. It is clear that the Earth has experienced the normal polarity 1.5 years ago but at that time, the Earth's polarity was poorly understood.

7 0
3 years ago
When your cell makes a new compound, such as glycogen from many glucose molecules, usable energy is needed and is obtained by wh
Licemer1 [7]

When cells makes a new compound, such as glycogen from many glucose molecules, usable energy is needed and is obtained by removing a phosphate group from ATP, producing energy plus ADP plus phosphate.

<h3>What is ATP?</h3>

This is referred to as adenosine triphosphate and is the energy currency of the cells.

This is  usually formed from the synthesis of ADP and a phosphate group thereby making it the most appropriate choice.

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8 0
2 years ago
A scientist usually runs a(n) |
USPshnik [31]

Answer: Experiment.

Explanation:

Suppose that we have two related variables, A (independent) and B (dependent)

We could design an experiment where we can manipulate the value of A at will, and we also can observe how the variable B changes.

This is called an experiment, where the objective is to see how the variable B is related to the variable A, and then try to make a model that explains this relationship.

4 0
4 years ago
How do organisms store and use energy?
andrezito [222]
Living organisms use two major types of energy storage. Energy-rich molecules such as glycogen and triglycerides store energy in the form of covalent chemical bonds. Cells synthesize such molecules and store them for later release of the energy.
7 0
4 years ago
Read 2 more answers
The marine multicellular protists including the larger brown algae belong to the
Finger [1]

Options for the question have not been given. They are as follows:

A. dinoflagellates.

B. Choanoflagellida.

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E. foraminifera.

Answer:

C. Stramenopiles

Explanation:

Stramenopiles or heterokonts are a part of Chromista kingdom. They comprise of both unicellular and multicellular protists. They are characterized by presence of two dissimilar flagella in the motile life cycle stage. Their chloroplast is also surrounded by four membranes which indicates origin from symbiotic relationship. They include many classes like diatoms, golden algae and brown algae. Brown algae belongs to the class Phaeophyceae. They are marine multicellular algae and are commonly known as seaweeds.

6 0
3 years ago
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