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Anna35 [415]
3 years ago
6

When a drug is ingested, how does it get into the bloodstream?

Biology
2 answers:
snow_tiger [21]3 years ago
7 0

Answer: b. through the stomach

 

Explanation:

A drug is a substance which is capable of bringing the physical and physiological change in an organism when taken either orally, intravenously, subcutaneously, smoked or inhaled.

The drug which is taken orally or ingested enters the elementary canal. It is dissolved inside by the fluids in stomach, then absorbed by the bloodstream through the linings of the stomach and later by the intestine.      

luda_lava [24]3 years ago
4 0
Im pretty sure the answer to the question is d
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A 6,000 kg train car is moving to the right at 10 m/s and connects to a 4,000-kg train car that wasn't moving. What is the veloc
SIZIF [17.4K]

6 m/s

This type of collision is a <u>Inelastic collision </u>

Explanation:

We begin by finding the momentum of the initial train car;

Remember that momentum is given by the formulae mass (kg) * velocity (m/s)

Therefore;

Momentum = 6000 * 10

= 60,000 kg⋅m/s

The other car has zero momentum because;

4000 * 0

= 0

When the two train cars collide, the total momentum will be;

60,000 + 0 = 60,000

Therefore to find the velocity, well use the same formulae;

p = mv  whereby;

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m – mass

v – velocity

60,000 = (6000 + 4000) * v

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v = 6

= 6 m/s

This is an elastic collision because we are assuming that no energy is lost in the collision. Most collisions, however, are not elastic but rather inelastic. In inelastic collision some of the kinetic energy is lost to the environment in some other form of energy such as heat energy.

Learn More:

For more on elastic collisions check out;

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7 0
3 years ago
The activity of bacterial glutamine synthetase isI. inhibited by glutamineII. inhibited by adenylylationIII. activated by uridyl
Andreas93 [3]

Answer: Option II. inhibited by adenylylation.

Option III. activated by uridylylation of the PII subunit of adenylyltransferase.

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