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Oksana_A [137]
3 years ago
13

Emtricitabine is one component in Truvada, a drug used for HIV pre-exposure prophylaxis (prevention). What functional group(s) a

re present
Biology
1 answer:
Kamila [148]3 years ago
7 0

Answer:

2-(hydroxymethyl)-1, 3-oxathiolan-5-yl group.

Explanation:

2-(hydroxymethyl)-1,3-oxathiolan-5-yl group is a functional group of Emtricitabine. Emtricitabine is an antiviral medicine that treat human immunodeficiency virus (HIV) disease by preventing multiplication in your body. Emtricitabine comprise of organofluorine compound in which 5-fluorocytosine is substituted at the 1st position by a 2-(hydroxymethyl)-1,3-oxathiolan-5-yl group.

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Can fatigue seriously impair driving ability.<br> a.no<br> b.yes
NikAS [45]
The correct answer is B.

When your body and mind are fatigued you are out into a field of fuzziness. When dealing with extreme fatigue, there is the obvious problem of falling asleep in the road, which could result in terrible and most likely fatal accidents. But there are also other problems mentally and visually that can occur that would impair your driving ability when facing extreme fatigue.

I hope this helps! :)
5 0
3 years ago
what is the characteristic of a cell membrane that controls which substances can enter and exit the cell
lorasvet [3.4K]

Answer:

selective permeability

Explanation:

The property or characteristic of cellular membrane to allow certain substances to pass through the cell is known as selective permeability. The movement of molecules and ions across the cell can be active or passive.

3 0
2 years ago
Monosaccharides can be grouped as aldehydes and kefone groups,what is their difference and similarities and list four examples f
Lady bird [3.3K]

Answer:

Aldehyde has C=O bonded to atleast one H atom while Ketone has C=O bonded to two carbon atoms

Aldehyde - galactose, glucose, glyceraldehyde, fructose

Ketone - Trioses, Tetroses, Pentoses, Hexoses

Explanation:

Similarity

Both the aldehyde and ketone have C=O group

Difference

In aldehye the C=O group require atleast one hydrogen atom or the functional group in aldehyde is -CHO

while in ketone the function group is C=O only that is bonded to two carbon atoms.

Example

Aldehyde - galactose, glucose, glyceraldehyde, fructose

Ketone - Trioses, Tetroses, Pentoses, Hexoses

6 0
3 years ago
Which genera of the enterobacteriaceae are considered enteric pathogens?
Kobotan [32]
The correct answer is d


Hope this helps :DD
3 0
3 years ago
Sort the terms and phrases as to whether they function in or describe primary growth or secondary growth?
Oduvanchick [21]

Answer:

Explanation:

An increase in length of the shoot and the root is termed to as primary growth of a plant. It occurs as a result of cell division in the apical meristem. Secondary growth is identified by an increase in thickness or girth of the plant caused by cell division in the cambia or lateral meristems.

1) apical meristem- primary growth

2) cork cambium - secondary growth

3) elongation - primary growth

4) provides structural support - secondary growth

5) increases exposure to light - primary growth

6) increases vascular flow - secondary growth

7) growth in thickness - secondary growth

8) occurs in plants that live many years - both primary and secondary growth

9) occurs in plants that live only one year - primary growth

10) lateral meristem - secondary growth

11) vascular cambium - secondary growth.

8 0
3 years ago
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