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bagirrra123 [75]
3 years ago
10

Name the process through which gaseous exchange occurs.​

Biology
1 answer:
Ilya [14]3 years ago
8 0

Answer:

Diffusion

Explanation:

Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the alveoli and the capillaries in the lungs.

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A researcher synthesizes a new molecule called inhibitor X that inhibits the activity of phosphofructokinase (PFK), the enzyme t
Oduvanchick [21]

Answer : The dissociation constant of the PFK‑inhibitor complex is, 5 µM

Explanation :

The expression for reversible competitive inhibition when apparent Km affected by addition of the inhibitor is:

K_m_a=K_m[1+\frac{I}{K_i}]

where,

K_m_a = apparent value = 52 µM

K_m = Michaelis–Menten constant = 40 µM

I = inhibitor concentration = 1.5 µM

K_i = dissociation constant of the PFK‑inhibitor complex

Now put all the given values in the above formula, we get:

52\mu M=40\mu M[1+\frac{1.5\mu M}{K_i}]

K_i=5\mu M

Therefore, the dissociation constant of the PFK‑inhibitor complex is, 5 µM

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3 years ago
Which term refers to the diffusion of water through a membrane?
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A. Osmosis. Hope this helps :)
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3 years ago
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What information is contained in the branches of a cladogram?
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The branching point on a cladogram represents a common ancestor. A cladogram is a diagram used in cladistics to show relations among organisms. However it is not an evolutionary tree since it does not show how ancestors are related to descendants, nor does it show how much they have changed. 
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3 years ago
Why would bourses and mountain goats have hooves
photoshop1234 [79]
Think of it like this.  Horses do a LOT of galloping, which is hard on the feet!  Hooves are a physical ADAPTATION, so that the horses won't experience pain on their journeys.  They're hard, so that the horses don't feel the ground nearly as much.  Now, mountain goats travel over rough terrain, with sharp rocks and steep inclines.  Again, it's really easy for them to get hurt strutting around the mountains, so they evolved hard hooves to protect their feet.
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2 years ago
A nerve impulse from one neuron affects the activity of a neighboring neuron at a point of interaction called the:
tatyana61 [14]

Answer:

A nerve impulse from one neuron affects the activity of a neighboring neuron at a point of interaction called the: SYNAPSE

Explanation:

A NEURON(or nerve cell) has 3 parts:

1. The dendrites(multiple)

2. The axon

3. The cell body

A SYNAPSE is an area where the dendrites of one neuron communicates with the axon of another neuron.

At the synapse, nerve impulses are transmitted from one neuron to the other. This is possible through substances called NEUROTRANSMITTERS. There is no direct contact between the axon of one neuron and dendrites of another neuron.

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3 years ago
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