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ziro4ka [17]
2 years ago
8

All of the following protect the skin and mucous membranes from infection EXCEPT

Biology
2 answers:
ser-zykov [4K]2 years ago
7 0
E I think that’s the answe
KatRina [158]2 years ago
3 0

Answer: C-Saliva

Explanation: Saliva only lubricate and moisturises food, aiding in food digestion employing its digestive enzyme, the salivary amylase, to break down chunks of food. All the other options; tears, hydrochloric acid, multiple layers of cells, are used as defensive mechanism from infections by the skin and mucous membranes.

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Two European men and two Polynesian women settled on a previously uninhabited tropical island. All four of the settlers have bro
kati45 [8]

Answer:

Two European men and two Polynesian women settled on a previously uninhabited tropical island. All four of the settlers have brown eyes, a dominant trait, but one of the Europeans is heterozygous and carries the recessive gene for blue eyes.  No new settlers arrive,and nobody leaves the island.After a few generations,the percentage of blue-eyed individuals increases from the original zero to 25 percent.This is probably due to which of the following factors?

genetic drift

Explanation:

Genetic drift entails when there are changes in the gene frequency which occur in a gene that is existing. From the analogy above, it is a known fact that only gneetic drift could allow such to happen as mutation will only occur with a sudden change of gene which is not the case described above

3 0
2 years ago
suppose you use a microscope yo look at a skin of a n onion what struturce will you see that would not be found in your skin cel
Softa [21]
Onion skin is a plant cell. And your skin cell is a animal cell.
Basically as simple all the structures in animal cell can be found in plant cells. But plant cells has some extra structure and part where doesn't exist in animal cells.
In animal cell, it contains a cytoplasm, nucleus and a cell membrane.
But in plant cell, they have chloroplast, cell wall and vacuole in additional.
6 0
3 years ago
Will cloning lead to designer babies who are denied an open future?
ololo11 [35]
Cloning will not lead to designer babies because clones are a complete copy of the person being cloned. The clone would need to be genetically modified to be considered designer
5 0
3 years ago
Pulls with a force of 50N and someone else pulls 45N opposite direction. What is the net force?
hram777 [196]

Answer:

5 N

Hope it helps

I am sur abt the answer

8 0
2 years ago
A wind turbine is used to power a generator. The wind turbine transforms kinetic energy into what form of energy?
White raven [17]
I think the answer is B because it use mechanical power and convert it into electricity 
8 0
3 years ago
Read 2 more answers
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