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Nina [5.8K]
3 years ago
6

mass can be measured with a triple beam balance in units of ______. a. grams b. newtons c. cubic centimeters d. millimeters

Biology
1 answer:
Anestetic [448]3 years ago
6 0
The answer is
(a)-grams
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Indicate whether the statement is true or false.
kiruha [24]

Answer:

heres the answer

Explanation:

true, false, true, false, false, true,

d, c, b, b, a, c, b

8 0
3 years ago
_____ act as signals or markers to help cells recognize one another.
Varvara68 [4.7K]

Explanation:

-<u>Carbohydrates </u>act as signals or markers to help cells recognize one another.

Carbohydrates are organic macromolecules with a range of functions within organisms. They may act as energy storage, structural support, and signal molecules. Together with transmembrane proteins embedded within the membrane from the extracellular fluid to the cytoplasm, they form glycoproteins (proteins attached to carbohydrates) which function as cell surface markers .

 

Further Explanation:

Carbon, is the backbone of all biological life on Earth. It contains 6 electrons, with 4 on its valence shell, and thus, readily forms covalent bonds with other elements. Covalent bonding involves the sharing of electrons; in nature, this occurs with hydrogen,oxygen, nitrogen, and phosphorus as highly flexible single bonds capable of rotation; rigid, non-rotating  double; and very strong triple bonds. Carbon compounds form rings, and long branched chains- thus, carbon can form macromolecules in nature.

In nature, organic compounds may be large chains of monomers form biological macromolecules which carry out many essential functions in the body. These can include nucleic acids, carbohydrates, proteins and lipids. These are organic molecules, meaning they're ringed or long-chain Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N) and phosphorus (P); they are found in essential organic biomolecules include, proteins, nucleic acids, lipids and carbohydrates.

Carbohydrates function to supply energy and support molecules they consist of mainly sugars or starches in long chains and rings to form monosaccharide monomers. They include monosaccharides, disaccharides and polysaccharides which describes the type of bonding and the degree of complexity of the polymers. Basic makeup: C, H, O -with many polar OH groups

Learn more on  proteins and carbohydrates at brainly.com/question/10744528

Learn more on membrane components at brainly.com/question/1971706

#LearnWithBrainly

3 0
4 years ago
During glycolysis, a 6-carbon sugar diphosphate molecule is split into two 3-carbon sugar phosphate molecules. True or false?.
Hatshy [7]

The above statement is true. During glycolysis, a 6-carbon sugar diphosphate that is fructose-1,6-bisphosphate is splitted into two 3 carbon sugar phosphate molecules that are dihydroxyacetone phosphate and glyceraldehyde-3-phosphate.

<h2>What is glycolysis? </h2>

Glycolysis is a 10-step reaction wherein glucose is divided into two pyruvate molecules, each of which has three carbons.

Glycolysis is the initial step in the process of cellular respiration in organisms. However, many anaerobic organisms also contain this route since glycolysis does not require oxygen.

<h2>What are the various steps involved in glycolysis? </h2>

1. The conversion of D-glucose into glucose-6-phosphate is the initial step in the glycolysis process. The enzyme catalyst in this case is hexokinase.

2.This second phase involves the conversion of fructose 6-phosphate  from glucose 6-phosphate.

3. Using magnesium as a cofactor, fructose 6-phosphate is changed into fructose 1,6-bisphosphate.

4. Fructose 1, 6-bisphosphate is split into two identical sugars by the enzyme aldolase. Dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate are the names of these two sugars.

5.The molecules glyceraldehyde 3-phosphate and dihydroxyacetone phosphate (DHAP) are quickly interconverted by the enzyme triphosphate isomerase.

The first five steps listed above are regarded as the initial phase.

6.Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) converts glyceraldehyde 3-phosphate into 1,3-bisphosphoglycerate by dehydrating it and adding an inorganic phosphate.

7. To create ATP and 3-phosphoglycerate, a phosphate group from 1,3-bisphosphoglycerate is transferred to ADP.

8. In this step, Phosphorous from 3-phosphoglycerate is transferred from the third carbon to the second carbon to generate 2-phosphoglycerate.

9. An enzyme removes a water molecule from 2-phosphoglycerate to create phosphoenolpyruvic acid (PEP).

10. Phosphoenol pyruvic acid is converted to pyruvate.

To know more about glycolysis visit:

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4 0
2 years ago
Which group of macromolecules is used for storing genetic information?
3241004551 [841]

Answer: Nucleus Acids

Explanation: Nucleic Acids hold and store DNA (think Nucleic/Nucleus)

8 0
4 years ago
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Two starts are visible from Earth ,Star A “appears” brighter than shad B , but their luminosity ( absolute magnitude ) is the sa
Tju [1.3M]
This could be because star A is closer to Earth than star B is, making it appear brighter.
5 0
2 years ago
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