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iogann1982 [59]
3 years ago
7

The body's first line of defense against infection include all the following except? A. Skin B.mucous membranes C. Acids in the

stomach D.interleukin-1
Biology
1 answer:
kaheart [24]3 years ago
7 0
I think the answer is d because the bodys first line of defense is both physical and chemical barriers ect. skin, tears, mucus, cilia, stomach acid and urine flow 
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Siamese cats are characterized by light and dark regions of fur. The darker parts occur on the cooler parts of the cat's body be
valkas [14]

Answer:

The correct answer is : temperature.

Explanation:

Siamese cats are known and characterized on the basis of the regions that are light or dark on the part of the body of these cats as according the cooler part of the body.

It is influenced by the enzyme that is active due to low temperature that leads to the formation of the dark pigment in the cooler area and in the part of the body that are higher in temperature are lighter due to inactivity of the enzyme.

Thus, the correct answer is : temperature.

8 0
3 years ago
The base of an energy pyramid is always composed of
anygoal [31]

Answer:

autotrophs, primary producers :)

Explanation:

3 0
3 years ago
This biome is also called boreal forest, vegetation is composed primarily 1 point
nasty-shy [4]

Answer: None of those i is a taiga

Explanation:

just trust me

6 0
3 years ago
You have two types of bread, three types of meat, and two types of cheese. How many different sandwiches can you make if each sa
Dmitry [639]
Number of types of bread for making sandwich = 2
Number of types of meat for making sandwich = 3
Number of types of cheese for making sandwich = 2
Then
Number of different sandwiches that can be made = 2 * 3* 2
                                                                                 = 12 sandwiches

From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the first option.
5 0
4 years ago
In humans there is approximately 30% adenine (A). What is the percentage of each of the other 3 DNA bases?
kvv77 [185]

In Double Stranded DNA , Adenine pairs with Thymine as we know, it means amount of A = Amount of T. Here A=30% so T=30%

Total will be 100% (for all 4 bases) , left out is 30 % which will be equally divided by Guanine and Cytocine , hence G=20% and C=20%.

A=30% T=30% G=20% C=20%

7 0
2 years ago
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