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lesantik [10]
3 years ago
12

A barrier made up of several layers that stops pathogens from entering the body is

Biology
1 answer:
wariber [46]3 years ago
8 0

Answer:

A. The Skin

Explanation:

Skin forms a waterproof barrier that prevents pathogens from entering the body.

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Identify the genotype for this pedigree chart
AVprozaik [17]

Lets say that the genotypes are:

Male affected:XbY

Male unaffected: XaY

Female  affected: XbXb

Female carrier: XaXb

Female unaffected:XaXa

P: XbY  x  XaXa

F1: XaXb  XaXb  XaY  XaY The middle square is female carrier.

P:XbY  x  XaXb

F1: XaXb  XbXb  XaY  XbY The left square is affected female.

P:XaY  x  XbXb

F1: XaXb  XaXb  XbY  XbY The right square is affected male.


6 0
3 years ago
HELPPPPPP ITS SCIENCE BTW pls help i will give brainliest
raketka [301]

Answer:

B.

Hope it helps. Thanks

8 0
2 years ago
Infectious diseases have an easier time spreading now than they did several hundred years ago. What about society has changed th
d1i1m1o1n [39]

Answer:

see below :)

Explanation:

Infectious are more easily spread nowadays becuse of an increased population. The more the population increases, the bigger the advantage an infectious disease has. As of right now, because everyone is wearing masks, their immune systems are being weakened. Another reason for this is because of the increase in chemicals in our foods, which are now being transferred to our bodies. All of the medications people are taking also have an affect on the spread of disease; it gives diseases a chance to mutate.

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3 years ago
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Which of the following is not a function of protein?
goblinko [34]

Answer:

RNAs

Explanation:

4 0
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2. This substance can trap light energy and convert it to chemical<br> energy.
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