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leva [86]
4 years ago
8

1. The bodys nonspecific defenses against invading pathogens include ?

Biology
1 answer:
romanna [79]4 years ago
3 0
<span>1. The bodys nonspecific defenses against invading pathogens include ?

B.mucus, sweat, and tears 


2. The body's most important nonspecific defense is ?

A. The skin, it is the first line of defense.


Hope this answers the question. Have a nice day</span>
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Identify the organelles in the cell to the right.<br> A<br> B<br> C<br> D<br> E<br> F
serg [7]

Answer:

A=Vacuole

B=chloroplasts

C= cell membrane

D= endoplasmic reticulum

E= nuclear envelope / or nucleus in general

F= The cell wall.

6 0
3 years ago
The secondary structure of proteins results because of _____ bonding between molecules in the protein molecules' backbone.
topjm [15]

Answer:

Hydrogen bonding

Explanation:

The newly synthesised proteins as a result of the process of translation are linear structures formed by linear arrangement of amino acids.

The linear structure of a protein is known as the primary structure which changes its conformation and take the shape of either the helix or the pleated sheet. This helical or pleated sheet structure is known as a secondary structure.

The secondary structure is formed due to the bond formed between the hydrogen of the carbonyl group and the amino group which form the backbone of the protein structure. The hydrogen bond causes the linear polypeptide to form spiral helical or bend pleated sheet.

Thus, Hydrogen bonding is the correct answer.

6 0
3 years ago
There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. M
Feliz [49]

Answer:

cumulative dilution = 0.000001

Explanation:

A serial dilution is a stepwise kind of dilution repeated a certain number of times, in which the concentration reduces exponentially each time.

The cumulative dilution is the final dilution gotten depending on the number of times dilution has been done and the dilution factor. The formula is given as:

Cumulative dilution = (F)ⁿ

where:

F = dilution factor = 0.1

n = number of serial dilutions = 6

∴ cumulative dilution = (0.1)⁶ = 0.000001

4 0
3 years ago
What do you know about the Punnett Square? (Don’t research it or you will not get credit for this question.)
Ivanshal [37]

Answer:

Well it says not to research so here's a brief definition: A punnet square is a diagram that shows the genotypes of a cross and helps predict the probability of having certain genotypes.

Explanation:

Heres some words to know

-Dominant

-Recessive

-Allele

-Mendel's law of Heredity

Let me know if you want more explanation on these :)  

8 0
3 years ago
Read 2 more answers
What describes the movement of water when a cell shrinks and shrivels due to osmosis
lara [203]

Answer:

That is called plasmolysis

3 0
3 years ago
Read 2 more answers
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