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aksik [14]
3 years ago
10

Which model represents the intermediate step between glycolysis and the citric acid cycle?

Biology
2 answers:
hammer [34]3 years ago
8 0

Answer:

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A.

Explanation:

Alex17521 [72]3 years ago
3 0

Answer:

Model A

Explanation:

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Caffeine aids in the movement of calcium ions across cell membranes by both making it easier for the Ca2+ channels to open and b
Llana [10]

Caffeine cause dose dependent prominent increase in force of contraction and period of contraction of muscle

<u>Explanation:</u>

Caffeine is widely used in foods and drinks. Its long time use can effect central nervous system include lethargy memory, sleep disorder and anxiety.

Increase in concentration of calcium ion will result increase number of power stroke and force for contraction.  However latent period and relaxation period are unaffected by caffeine. Increase in concentration of calcium ion will result increase number of power stroke and force for contraction.

Because of calcium ion release in skeletal muscle, caffeine causes peripheral manifestation such as hyper-reflexia, muscle twitching etc.

High amount of caffeine leads to increase in release of Ca2+ from sarcoplasmic reticulum. It increases tension development in single tetanic contraction and re-initiate maximum tension in fatigue single myofibre by restoring Ca2+ release from sarcoplasmic reticulum to non-fatigued levels.

8 0
3 years ago
Which is NOT true of mitochondria and chloroplasts? a. They are found in all organisms b. They contain DNA and 70S ribosomes c.
Nikitich [7]

Answer:

a. They are found in all organisms

8 0
2 years ago
An electrocardiogram (ECG) provides information about ________. A. the pressure of blood in the heart chambers B. the rhythm of
mario62 [17]

An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions

The rhythm of heart contractions can be known by an electrocardiogram (ECG).

An ECG or Electrocardiogram is a method to diagnose the heart conditions to check the normal functioning of the heart.

The process to measure the electrical signals of the heart can be done by using this machine.

In this technique, three leads are attached to both the wrist and the left ankle to measure the electrical activity of Heart. The rhythm of the heart contraction and relaxation can be used to find out any heart abnormality.

It is used to investigate the heart problems associated due to bad health or some chronic inflammation affecting the functioning the body. Shortness of breath or nausea is investigated by using an ECG machine to help the patient and doctor to find out the cause.

It consists of QRS complex which measures the heart beat.

Learn more about Heart here, brainly.com/question/16566688

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3 0
1 year ago
There are two alleles, B and b, at a gene locus in a population at Hardy-Weinberg equilibrium. The relative frequency of the dom
viva [34]

Answer:

210

Explanation:

Frequency of dominant allele is represented by "p"

and frequency of recessive allele is represented by "q"

Given

p = 0.7

Thus,

q = 1-p\\q = 1 - 0.7 \\q = 0.3\\

As per Hardy Weinberg's second equation of equilibrium -

p^2 + q^ 2 + 2pq = 1\\

Substituting the given values in above equation, we get -

0.7^ 2+ 0.3^2 + 2pq = 1\\2pq = 1- 0.49-0.09\\2pq = 0.42

So the total number of heterozygous individual is equal to

0.42 * 500\\= 210

8 0
3 years ago
A brown-eyed man whose mother was blue-eyed married a brown-eyed woman whose
AlladinOne [14]
The probability will be 0.25 or 25%
5 0
1 year ago
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