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AlekseyPX
3 years ago
13

Velocity (m/s)

Biology
1 answer:
nekit [7.7K]3 years ago
7 0

Answer:

Although the graph was missing, I managed to find it on another source. According to the given conditions, correct answer is <u><em>option C</em></u><u>. A dog stop at his home for 5 seconds</u>.

Reason:

In the graph, The dog was west of his home then he came back, he stopped at his home then runs to other direction (East).

When the dog was running from west to home, his running speed or velocity was 1 m/s which was then decreased to 0 m/s after reaching home. Here (at home) the dog stopped for a while (5 seconds according to the graph), and his velocity was 0 m/s. Then, he started running again to other East direction with velocity -2 m/s (opposite direction).

<em>See attached images for further description.</em>

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digestive enzymes released in your mouth break down carbohydrates there but stop working in your stomach. which is the most like
horrorfan [7]

The most likely explanation to the statement that digestive enzymes released in your mouth break down carbohydrates there but stop working in your stomach is C. The pH of your mouth and stomach are very different. The shape of the enzyme is affected by pH.

The pH of the mouth is near neutral whereas the pH of the stomach is acidic due to the hydrochloric acid present in the stomach.

All enzymes, including the digestive enzymes, require a certain pH at which they are better able to function. If the pH is altered, then the shape of the enzyme changes, which affects the shape of the active site of the enzyme. As a result, the substrate is no longer able to fit in the active site.

Hence, those digestive enzymes that function in the mouth will not function in the stomach due to the altered pH.

Although a part of your question is missing, you might be referring to this question:

Digestive enzymes released in your mouth break down carbohydrates there but stop working in your stomach. which is the most likely explanation?

A. Enzymes have only one active site. Once a substrate binds, that enzyme is no longer usable.

B. Enzymes are changed in a reaction. Enzymes made in the mouth are used up by the time they get to the stomach.

C. The pH of your mouth and stomach are very different. The shape of the enzyme is affected by pH.

D. There are no substrate molecules left when the enzyme reaches the stomach, so the enzyme stops working.

To learn more about digestive enzymes, click here:

brainly.com/question/11678128

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5 0
1 year ago
Sandstone and basalt can be changed by heat and pressure to form _____.
oksian1 [2.3K]
My answer would be B!
7 0
2 years ago
What is believed to be the most significant result of the evolution of the amniotic egg?
Ymorist [56]
I think the most critical consequence of the advancement of the amniotic egg it the tetrapods were no longer attached to the water for reproduction.The amniotic egg permits reptiles, flying creatures, and warm-blooded creatures to lay eggs ashore without drying out. The liquid filled depression containing the incipient organism is isolated from the outer condition by an amniotic sac that is impermeable to water.
8 0
3 years ago
Dr. Alexander is a scientist who studies a certain type of fly. In his studies, he came across information that says that the fl
3241004551 [841]

Answer:

Dr. Alexander is a scientist who studies a certain type of fly. In his studies, he came across information that says that the fly doesn't need any calcium in its diet. This question interests him because he doesn't think it is true. He decides to create an experiment that will test whether this question is true. His hypothesis is that a fly will not live without calcium in its diet.

Dr. Alexander believes that flies must have calcium in their diet. In one of Dr. Alexander’s experiments, he feeds one hundred flies a normal diet with calcium. Then he feeds one hundred more flies a diet without calcium. Over seven days he records the following data:

Fed Calcium Not Fed Calcium

Flies alive before test 100 100

Flies alive after test 92 10

Based off the data above what would be a valid conclusion Dr. Alexander could make?

. Alexander is a scientist who studies a certain type of fly. In his studies, he came across information that says that the fly doesn't need any calcium in its diet. This question interests him because he doesn't think it is true. He decides to create an experiment that will test whether this question is true. His hypothesis is that a fly will not live without calcium in its diet.

Dr. Alexander believes that flies must have calcium in their diet. In one of Dr. Alexander’s experiments, he feeds one hundred flies a normal diet with calcium. Then he feeds one hundred more flies a diet without calcium. Over seven days he records the following data:

Fed Calcium Not Fed Calcium

Flies alive before test 100 100

Flies alive after test 92 10

Based off the data above what would be a valid conclusion Dr. Alexander could make?

Calcium is an essential part of a fly's diet.

The experiment did not provide definite results.

Calcium is a nonessential part of a fly’s diet.

Calcium is an essential part of a fly's diet.

The experiment did not provide definite results.

Calcium is a nonessential part of a fly’s diet.

6 0
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nata0808 [166]

Answer:

commander in chief.

Explanation:

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6 0
2 years ago
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