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3 years ago

Please help me! asap im trying to figure this out

Biology

2 answers:

gayaneshka [121]3 years ago

6 0

Answer:

you have it right I think

irina [24]3 years ago

4 0

Answer:

$\boxed {\tt 2nd \ Answer}$

Explanation:

An enzyme is a protein that speeds up a chemical reaction. Enzymes are shape specific. The active site is a specific shape, which means it can only break down specific substrates.

Certain conditions can denature enzymes. For example, extreme temperatures or pH will cause the enzyme to deform and change shape, which means it cannot perform its job.

Therefore, the best choice is the second one: enzymes work best in specific conditions and only break down specific substrates.

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How do you think molecules of food rearrange when they react with oxygen in the cells of your body?

SVEN [57.7K]

Answer:

In cellular respiration, complex molecules containing carbon react with oxygen to produce carbon dioxide and other materials. Within individual organisms, food moves through a series of chemical reactions in which it is broken down and rearranged to form new molecules to support growth or to release energy.

Explanation:

3 0

3 years ago

If you wanted to combine equal numbers of Na and Cl atoms in a flask, how much Cl would you have to add if you added 23g of NA?

Gwar [14]

Answer: The mass of chlorine atom required to combine is 35.5 grams.

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

For sodium:

Given mass of sodium = 23 g

Molar mass of sodium = 23 g/mol

Putting values in equation 1, we get:

$\text{Moles of sodium}=\frac{23g}{23g/mol}=1mol$

According to mole concept:

1 mole of an atom contains $6.022\times 10^{23}$ number of particles

So, 1 mole of sodium will contain = $(1\times 6.022\times 10^{23})=6.022\times 10^{23}$ number of atoms

Number of atoms of chlorine = Number of atoms of sodium = $6.022\times 10^{23}$ = 1 mole

Now, calculating the mass of chlorine required by using equation 1:

Moles of chlorine = 1 mole

Molar mass of chlorine = 35.5 g/mol

Putting values in equation 1, we get:

$1mol=\frac{\text{Mass of chlorine}}{35.5g/mol}\\\\\text{Mass of chlorine}=(1mol\times 35.5g/mol)=35.5g$

Hence, the mass of chlorine atom required to combine is 35.5 grams.

5 0

3 years ago

A snake that escapes into an ecosystem with a range of temperatures it cannot tolerate well is an example of a(n) _____.

Gwar [14]

Answer:

Explanation:

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4 years ago

What factors drive the movements of global air masses

maksim [4K]

Answer:

The 4 types of air masses are polar, tropical, continental and maritime. Their classification depends on their location where they are formed.

Explanation:

One major influence of air mass movement is the upper level winds such as the upper level winds associated with the jet stream. The jet stream wind is often referred to as a steering wind. The troughs and ridges of the jet stream will help transport cold air toward lower latitudes and warm air toward high latitudes.

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3 years ago

The storm gutters of a large city empty into an ocean bay. A mechanic shop, unable to afford proper disposal, begins dumping its

lesantik [10]

Answer:

The correct statement is C. The pollutants will disrupt oxygen absorption in fish.

Explanation:

Motor oil and other fuels when dispose off in the water bodies, it causes suffocation in the marine animals and causes death. Motor oil or other fuel such as petrol, diesel etc are non polar solvent and water is a polar solvent so they are not dissolve with each other and the oil make a layer on the water surface and blocks oxygen.

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4 years ago