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DENIUS [597]
3 years ago
7

What does a profilometer do?

Biology
1 answer:
umka2103 [35]3 years ago
5 0
<span>
 is a contact method of checking surface roughness for values greater than. 2µ”.</span>
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Substances that can pass through cell membranes by diffusion include
arlik [135]

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

Explanation:

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Which enzymes are secreted only by the pancreas?
a_sh-v [17]

Nucleases are the enzymes that are unique to the pancreas. These are enzymes which break down nucleic acids DNA and RNA into nucleotides. When these nucleotides reach the ileum, they are further degraded or digested into sugars, bases and phosphates. These nucleases are known as DNAase and RNAase

Other pancreatic enzymes such as amylase and protease are also produced by other digestive organs such as the salivary glands and the small intestine respectively. However no other digestive organ has been known to produce nucleases apart from the pancreas.

Nucleases are of two  main types, namely exonucleases which cut off the end of a nucleotide and endonucleases which will cut out certain nucleotide sequences right in the middle of a nucleic acid.






4 0
3 years ago
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How does the structure of epithelial tissue help it to perform its function?
alukav5142 [94]
The answer is D its tightly packed cells allow for proctection  against harmful substances.







4 0
3 years ago
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2. True or False<br> Ice is less than dense than water.
seraphim [82]

Answer. True

Explanation:

When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.

5 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS ILL GIVE YOU BRAINLY IF YOU GET IT RIGHT PLEASE ALSO EXPLAIN HOW YOU GOT THE ANSWERS !!!!!
elena55 [62]

Answer:

A, B, C, E, and F

Explanation:

8 0
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