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3 years ago

What is something true about all cells ?

Biology

1 answer:

Bad White [126]3 years ago

3 0

It grows, moves, reproduces, responds to the enviroment, and it is made up of 1 or more cells.

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Students observed several prepared slides of a process that occurs in a dividing onion cell. they observed haploid cells in one

Mila [183]

Answer: pretty sure it could be “B”.

Explanation:

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3 years ago

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What organelle must be above ground before the plant can begin photosynthesizing? First correct answer will be marked brainliest

galben [10]

Answer:

The answer is chloroplasts

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3 years ago

List 3 factors that can speed up the rate of chemical reactions

zysi [14]

Answer:

Temperature
Greater Surface Area
Catalysts

Explanation:

Temperature

An increase in temperature typically increases the rate of reaction. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision (Figure. 17.5 “Temperature and Reaction Rate”).

Greater Surface Area

The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. ... more particles are exposed to the other reactant. there are more collisions. the rate of reaction increases.

Catalysts

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.

Hope this help!!!

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3 years ago

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Elizabeth is getting ready to run a marathon. She's hoping that the ATP in her body is good for long-term energy storage for the

Andrei [34K]

Answer:

Her Thinking is wrong because ATP is not a long term Energy Storage.

Explanation:

We need energy to perform every single task of everyday life. This energy is obtained from the food we eat. There are three main sources of energy in our food.

1. Carbohydrates

2. Lipids

3. Proteins

Carbohydrates are hydrolyzed into glucose upon breakdown and this glucose is used as energy by most of the cells. While Lipids are more complex molecules and usually used to store energy to be used later. Proteins help in muscle building and provide essential amino acid to the body.

There are two ways to store energy, Long term storage and short term storage. The ATP is obtained by breaking down the large molecules and considered as short term energy as it last for only few seconds. While the long term energy is obtained from lipids hydrolysis.

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4 years ago

What is the purpose of DNA? *

zavuch27 [327]

Answer:

c is your right answer

Explanation:

The function of DNA is to store all of the genetic information that an organism needs to develop, function, and reproduce. Essentially, it is the biological instruction manual found in each of your cells.

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3 years ago