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NemiM [27]
2 years ago
6

A 33-year-old pregnant client asks the nurse about testing for birth defects that are safe for both her and her fetus. which tes

t would the nurse state as being safe and noninvasive
Biology
1 answer:
Agata [3.3K]2 years ago
5 0
<span>The correct answer is an Ultrasound The nurse would state that an ultrasound is a noninvasive test that is completely safe for both mother and child. Amniocentesis, CVS, and percutaneous umbilical cord sampling are invasive tests that are associated with maternal and fetal risk</span>
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Explain the role of enzymes as biological catalysts that lower the activation energy of a reaction.
tia_tia [17]

Answer:

Enzymes are one kind of protein which functioning as catalyst  that speed up reactions by lowering activation energy.Enzyme accelerate a reaction without altering its chemical equilibrium.

Explanation:

Energy which is required for  start a biochemical reaction is called activation energy.Activation Energy helps to jump and start a thermodynamically favorable reactions.

Enzymes can  many  way to its activation energy.

1. The enzyme may hold the substrates in such a way as to distort the substrate bonds closer to their form in the transition state. This reduces the amount of energy needed to complete the transition.

2.Enzyme create a charge distributor which opposite of transition state his lowers the energy of the transition state and decreases the activation energy.

3.The enzyme may reduce the reaction entropy   by bringing substrates together in the correct orientation to react.

4. The enzyme may provide a completely different chemical pathway for the reaction. It may form new bonds in the ES complex that would be difficult to form without the enzyme.

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3 years ago
For an x-linked gene, there are two alleles, a and
Temka [501]
So basically you have to like multiply and stuff so you would freaking get like 250 or something. 
6 0
3 years ago
Greg Developed and Ear infection. His doctor gave him an antibiotic. The antibiotic killed all the bacteria in his body. What ot
Sati [7]
Antibiotics can have side effects.
When children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendly” germs in the body and cause other problems like diarrhea.

Over-use of antibiotics is a problem.
Antibiotics can help drug-resistant bacteria grow. These bacteria are harder to kill. They can cause illnesses that are harder to cure and more costly to treat. This increases the risk of complications and side effects. The resistant bacteria can also infect other people.

Hope this helps
8 0
2 years ago
Salmon swimming upstream to spawn is an example of incentives. motives. instinct. needs. drives.
crimeas [40]
Instinct or incentives
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3 years ago
How do nerve cells form different types of tissues? A. A group of these cells perform similar functions and become nerve tissue
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It's letter c i believe, because they need the DNA's instruction on how to copy the exact tissue copy.
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2 years ago
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