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densk [106]
2 years ago
10

What is the cause and effect of active site mutation

Biology
1 answer:
4vir4ik [10]2 years ago
3 0

Answer:

The shape of the active site may not be complimentary to the substrate anymore, so the substrate may bot be able bind to the active site

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When hydrogen bonds form between water<br> molecules, water<br> evaporates<br> condenses
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The water molecules enter a gaseous state called water vapor. So water Evaporates.
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3 years ago
Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen?
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The correct answer is option b. higher levels of hemoglobin.

The partial pressure of the oxygen decrease as the height from the sea level is increased. Due to the decrease in the partial pressure, the amount of the oxygen delivered by the hemoglobin to cell decrease. So, in order to cope up the condition, the amount of the hemoglobin in the blood is increased. the increased amount of the hemoglobin delivers more oxygen than the normal amount of hemoglobin can do, so, it help in survival at low oxygen levels.

3 0
3 years ago
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Which of the following animal-derived foods contains a significant amount of carbohydrates?
yawa3891 [41]
C. milk (such as soy milk, and yogurt). carbs in milk are mainly in the form of the simple sugar lactose, which makes up 5% of milk. in your digestive system, lactose breaks down into glucose and galactose. these are absorbed into your bloodstream, at which point your liver converts galactose into glucose. hope this helps!
6 0
2 years ago
In discriminating between a viable and non-viable early intrauterine pregnancy, which one of the following criteria can be used
Alecsey [184]

Answer:

The correct answer in discriminating between a viable and non-viable early intrauterine pregnancy is B: "<em>Mean gestational sac diameter of > 25 mm and no embryo".</em>

Explanation:

There are <u><em>different criteria</em></u> used to discriminate between a viable and a non-viable early intrauterine pregnancy. The most often used to diagnose pregnancy failure are:

-         <em>Crown-rump length criterion</em>: This is the absence of cardiac activity by the time the embryo has reached crown-rump length. <em>A crown-rump length of </em><u><em>7 mm or more</em></u><em> with no cardiac activity</em><em> has been suggested</em> by the latest studies <em>to diagnose a non-viable pregnancy</em>. There is a substantial likelihood that <em>a crown-rump length</em><u><em> </em></u><u><em>< 7 mm</em></u> can result in a <em>false-positive diagnosis of pregnancy failure.</em>

-         <em>Mean sac diameter criterion</em>: This is the absence of embryo by the time the gestational sac has grown to a certain size. The gestational sac increases as the pregnancy progress. It has been suggested by the latest studies to use a <em>mean sac diameter of </em><u><em>25 mm or more</em></u><em>, and no visible embryo</em> to diagnose failed pregnancy. A mean sac diameter of <u>16 to 24 mm</u> and <u>no embryo</u> <u>is </u><em><u>suspicious</u></em> for failed pregnancy, but shouldn’t be used to diagnose it.

-         <em>Time-based criteria</em>: This is the absence of an embryo by a certain point in time. If an initial sonogram shows that there is a <em>gestational sac and a yolk sac, but about </em><u><em>11 days later</em></u><em> there isn’t any embryo with cardiac activity</em>, then a <em><u>failed pregnancy</u></em> can be established. The <em><u>timing event</u></em> in early pregnancy is precise and reproducible to perform a correct diagnosis.  

There are also <em>suspicious findings</em> that may help to identify a non-viable pregnancy. These are<u><em> not certain</em></u> and have not been extensively studied yet, so they <em><u>cannot be used to reliably diagnose</u></em> a pregnancy failure. A few of these findings are an empty amnion, a small gestational sac size, and the yolk sac size.

-         <em>Yolk sac</em>: An e<em>nlarged yolk sac</em> sized <em>over 7 mm</em> is <em><u>suspicious</u></em> for a failed pregnancy.

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Plants, fungi, bacteria: they all have cell walls for protection and support. But bacterial cell walls have another function. Wi
const2013 [10]
C) Internal pressure

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2 years ago
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