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natali 33 [55]
3 years ago
8

Proteins only have two types of structure. true false

Biology
1 answer:
Vlad1618 [11]3 years ago
5 0
False, Secondary Structure
There are two types of secondary structures observed in proteins. One type is the alpha (α) helix structure. This structure resembles a coiled spring and is secured by hydrogen bonding in the polypeptide chain. The second type of secondary structure in proteins is the beta (β) pleated sheet.
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The following statements describe different types of lipids. Fill in the blanks with the following wordsa.triacylglycerolsb. gly
iVinArrow [24]

Answer:

1.) Compounds that contain a fused ring systerm are called _steroids_. These have three 6-membered rings and one 5-membered ring. some of these compounds are found in biological membranes.

2.) _Fatty acids__ are the building blocks for many lipids, and they generally contain an even number of carbon atoms and an unbranched hydrocarbon chain

3.) _Glycolipid__ are formed when a carbohydrate is glycosidically linked to a hydroxyl group of a lipid. examples include gangliosides and cerebrosides. these are also found in biological membranes.

4.) _Triacylglycerols_are the storage form of lipids, accumulating in adipose tissue, and they can be used as metabloic fuel. these compounds have a polar part, made of three ester groups, and a nonpolar fatty acid tail.

5.) _Sphingolipids__ are made up of a long-chain amino alcohol joined, either by a glycosidic linkage or a phosphodiester linkage, to a fatty acid. these do not contain _glycerol__. they are abundant in the nervous system.

6.) When glycerol esterified to two fatty acids and a phophoric acid molecule a _glycerophospholipid_ is formed. These are found in biological membranes.

6 0
4 years ago
Topographic maps represent an area's physical features by describing _____.
kondaur [170]

Answer;

A. shape, elevation, and steepness of features

Explanation;

-A topographic map is a detailed and accurate two-dimensional representation of natural and human-made features on the Earth's surface. These maps are used for a number of applications, from camping, hunting, fishing, and hiking to urban planning, resource management, and surveying.

-These map show the three-dimensional shape of the land. Most topographic maps make use of contour lines to depict elevations above sea level. The contour lines reveal the shape of the land in the vertical direction, allowing the 3-dimensional shape of the land to be portrayed on a 2-dimensional map. Contour lines are drawn on a topographic map to show the location of hills, mountains and valleys.

4 0
4 years ago
Read 2 more answers
If the cell were a shoe factory, what structure would be the boss of the factory?
Pavlova-9 [17]

Answer:

The nucleus would be the boss.

Explanation:

circular

7 0
3 years ago
Which process takes place when water condenses and falls to the ground? (3 points)
drek231 [11]

Answer:

C

Explanation:

Precipitation is rain, which is what i'm assuming it's referring to.

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3 years ago
What would be the effect on blood flow if some arteries lost their elasticity? A) no affect on blood flow B) increased blood flo
jeka57 [31]
Decreased blood flow due to limiting the amount of blood
7 0
3 years ago
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