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zlopas [31]
3 years ago
13

Each gram of carbohydrate supplies how many calories?

Biology
1 answer:
Olenka [21]3 years ago
5 0
4 calories each gram of carbohydrate
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Why is it protective for the crayfish to have its nerve cord on the bottom of its body?
mr Goodwill [35]
The crayfish have its nerve cord on the ventral side rather than on the dorsal side. The ventral side is under the Crayfishes' exoskeleton, as opposed to the dorsal side where the exoskeleton is . If it is attacked it will be from the dorsal side and the nerve cord would be snapped easier. The function of the nerve cord is that if it gets attacked by a predator they will go for the top and it will still be able to move.
5 0
3 years ago
When using a microscope to view cells you obtained from scraping under your fingernails, you notice that the cells lack nuclei;
11Alexandr11 [23.1K]

Answer:

Bacteria

Explanation:

There are two kinds of cells found in/on the human body that lacks nucleus

  1. Red blood cells
  2. Bacteria

Since the material observed under the microscope was scraped from under the finger nails and there was no indication of broken skin, it is likely that the observed cells are bacteria.

5 0
2 years ago
An organism that eats other organisms is called a...
horrorfan [7]

An organism that eats other organisms is called a <u><em>heterotroph</em></u>.

3 0
3 years ago
you are given two nucleic acids; one rna and the other dna. what are the main features to determine which is the dna?
BigorU [14]

Answer:

DNA is a long polymer with a phosphate backbone and deoxyriboses. Adenine, guanine, cytosine, and thymine are the four nitrogenous bases. The backbone of RNA is made up of ribose and phosphate. Adenine, guanine, cytosine, and uracil are four nitrogenous bases.

So DNA is two stranded, RNA is single stranded.

Lmk if you need more :)

Explanation:

4 0
2 years ago
Which of these is a polysaccharide? A. Lactose. B. Glycogen. C. Sucrose.
geniusboy [140]

cellulose is a polysaccharide.

A significant class of biomolecules is polysaccharides. They are large chains of monosaccharide molecules that are linked together. These intricate biomacromolecules serve as a vital energy source for animal cells and are a crucial part of plant cells' structural makeup. The nature of the monosaccharides determines whether it is a homopolysaccharide or a heteropolysaccharide.

A branching polysaccharide is a type of carbohydrate that is different from a linear polysaccharide, which is a straight chain of monosaccharides.

Organisms have this energy in reserve. The molecules are hydrophobic because water cannot enter them because of the many hydrogen bonds present. They permit adjustments to the concentration gradient, which affects how the cells absorb nutrients and water.

Learn more about Polysaccharide here:

brainly.com/question/16580858

#SPJ4

8 0
1 year ago
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