What is the mechanism by which a buffering system maintains a certain ph when exposed to acids and bases?

Biology

1 answer:

Ostrovityanka [42]4 years ago

4 0

<h2>Buffering System of Acids And Bases</h2>

Explanation:

The bicarbonate buffering framework keeps up ideal pH levels and directs the carbon dioxide fixation that, moves any corrosive base unevenness.
Renal physiology controls pH levels through a few incredible instruments that discharge abundance acid or base.
Blood contains a lot of carbonic corrosive, a feeble corrosive, and bicarbonate,a base.
They help keep up the bloods pH at 7.4. On the off chance that blood pH falls beneath 6.8 or transcends 7.8, one can get wiped out or pass on.
The bicarbonate kills abundance acids in the blood while the carbonic corrosive kills overabundance bases.
A cushion is a concoction framework that forestalls an extreme change in liquid pH by hosing the adjustment in hydrogen particle focuses on account of overabundance corrosive or base.

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Which situation would pose a major difficulty for applying the biological species concept?

ch4aika [34]

Answer:

Option C

Explanation:

Complete Question

Which of the following situations would pose a major difficulty for applying the biological species concept?

a) Two populations of sexually reproducing plants that can be bred easily in the same location under field conditions

b) Two populations of sexually reproducing insects that can be bred easily in the same location under field conditions

c) Five snail fossils taken from the same locality during a 400,000-year time span

d) Dimorphic mating pairs of birds

e) Monomorphic mating pairs of birds

Solution -

According to the biological species concept, two or more organisms that look alike does not mean that they belong to the same species. In order to consider that two organisms belong to the same species, it is essential for them to be able to interbreed or mate.

For example –

Western meadowlarks and Eastern meadowlarks look identical to one another but they do not interbreed with each other and hence they belong to different species.

Hence, option C is correct

3 0

4 years ago

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Jlenok [28]

The answer is B) interphase

3 0

3 years ago

2.86 A ball is dropped from rest from the top of a cliff that is 24 m high. From ground level, a second ball is thrown straight

Rashid [163]

Answer:

Distance Below the top = 6,02 m

Explanation:

To get the Final velocity of the first ball (that will be the intial velocity of the second) you need to solve the kinematic equation for Velocity:

(1) $V_{1f} =V_{1O} - gt$

As the ball is dropped from rest $V_{1O} = 0$ , so:

(2) $V_{1f} = - gt$

Note that the velocity is going to be negative as the ball is going down. To get the time it would take the ball to reach de base you can use the kinematic equation for position:

(3) $h_{1} = h_{1O} + V_{1O} *t - \frac{1}{2} gt^{2}$