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AVprozaik [17]
2 years ago
6

Assertion (A): Mutations can be passed on to the offspring.

Biology
1 answer:
nikitadnepr [17]2 years ago
6 0

Answer:

Both A and R are true. And R is the correct explanation of A.

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Nearly all of the oxygen carried by blood is bound to _____ an iron-containing protein that gives red blood cells their color.
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Most of the oxygen carried by blood is bound to hemoglobin an iron containing protein which also gives red blood cells their distinctive red colour
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Which of the following might have influence whether or not a comet will collide with a nearby planet
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Gravitational attraction between two celestial objects (i think)
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What is the relationship between depth and pressure
USPshnik [31]

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They have a directly proportional relationship.

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Read 2 more answers
Help me on problem 14 b please
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If the food is limited to the squirrels then that could impact how well they reproduce which could impact their numbers which therefore could impact the food source for the foxes which eat them. Fewer squirrels means the foxes will slow down on their reproductive numbers as well...they are all linked!

7 0
3 years ago
A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reac
vredina [299]

Answer:

A- A pH change can cause the enzyme to change its shape

Explanation:

A rise or fall in the pH of the medium from the optimum of pH 7 usually affect  the  enzymes' active sites  of  and therefore the  shape and  the  rate of enzyme activity.

Assuming  the pH is too low, the enzyme medium becomes acidic;Acidosis. The high Hydrogen ions concentration  interacts with the R-groups of the amino acids moiety of the enzymes, this interaction affects the ionization of the  R-groups, disrupting the ionic bonding holding these R-groups in shape.

This results in loss of the 3-Dimensional shape arrangements of the protein molecule  and therefore of the active sites. Since active sites of  enzymes  determines the specificity of the <u>enzymes substrate- complex </u> to give <u>enzyme-product complex,</u> the catalytic activity of the enzymes decreases, <u>the rate of  reaction decreases,and products formation stops, and the reaction also stops.</u>

The same is applicable to extremely high pH=Alkalosis.

However, the effective buffer system of the body prevents this scenarios from happening in real sense in the body. Through mopping by the  haemoglobin, excretion by the kidney, etc

7 0
3 years ago
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