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nydimaria [60]
3 years ago
15

How does observing work ethics help in a workplace

Biology
1 answer:
guajiro [1.7K]3 years ago
7 0
The more you observe, the more you catch on
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Large reefs are thousands of years old. True or false identify if it is false
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Answer:

True

Explanation:

y e s .

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3 years ago
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Which of the following situations does diffusion not help, in our bodies?A. Oxygen entering the bloodstream.B. Food entering the
lubasha [3.4K]

Answer:

Glucose entering the intestines from the villus.This is by active transport.The latter is defined as the movement of molecules and  solutes from the region of lower concentration to the region of higher concentration against the concentration gradient.

Explanation:

All the above options depends on the diffusion gradients from one  higher region to another.e.g oxygen passing from high concentration from outside to lower concentration in blood stream,like wise Co2 from higher concentration from inside to outside,with passive diffusion lipids and water enter the small intestine(note amino acid and glucose,and fructose are different).

Active transport( through sodium dependent transporter) transports glucose to the intestine  from the villus.This is movements against concentration gradient because,glucose molecule are concentrated in intestine,and needed by the cells, in the body.Therefore they must be transported as a fast rate inn the blood .

However the absorption by the villi is very slow,therefore active transport is needed to move these against the concentration gradient into the intestine.And finally the blood.

If this were to be moved by  passive diffusion,the high concentration in the intestine will force this back into the villi

Therefore extra energy is needed by active transport for the glucose molecules to enter the intestine from the villus.

6 0
3 years ago
which of the following is not an example of symbiosis? A. red blood cells containing malaria B. vines using a tree for support C
Digiron [165]

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A. red blood cells containing malaria

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Also, just as a heads up. I saw the previous person posted a link. Remember not to click any links that lead to domains which are unknown to you. They could hold a virus.

3 0
3 years ago
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In vertebrate animals, the same organ in different species often have different structures. For example, the heart of a fish has
barxatty [35]
B reproductive differences I hope this helps!
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3 years ago
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21. When a ball is first dropped off a cliff in free fall, it has an
Paladinen [302]
First of all the reason the graph would be a curve is because, as the time increases the position changes, at first the ball is at a certain point then it starts rolling off a cliff so its moving foward and then the ball starts falling, (If too confusing here is a image http://www.mazzworld.net/U11Image1.gif) 
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