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olya-2409 [2.1K]
3 years ago
10

When comparing fossil A to fossil B, which is most likely correct?

Biology
1 answer:
Elza [17]3 years ago
7 0
Fossil B would most likely be correct in this situation
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All organisms in the kingdoms Eubacteria and Archaebacteria ____________?
Basile [38]

Answer:

C

Explanation:

A prokaryote is a typically unicellular organism that lacks a nuclear membrane-enclosed nucleus.

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3 years ago
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From what you should now know about bacterial taxis and nodule formation, predict how a rhizobium would respond to a flavonoid.
andreev551 [17]

Answer;

-The bacterium would exhibit positive chemotaxis.

Explanation;

-Chemotaxis is the movement of cells or organisms in response to chemicals, whereby the cells are attracted (positive chemotaxis) or repelled (negative chemotaxis) by substances exhibiting chemical properties.

Flavonoids play a crucial role as signal molecules in promoting the formation of nodules by symbiotic bacteria commonly known as rhizobia. The roots of leguminous plants use positive chemotaxis to attract rhizobia. Flavonoids are the chemicals associated with attraction of Rhizobium bacteria.

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3 years ago
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A Virus Is A Piece Of __________ Enclosed In A Capsid.<br> A) DNA<br> B) Protein<br> C) Nucleic Acid
SVETLANKA909090 [29]
This would actually be known to originate in the "nucleic acid". This would have nothing to do with the DNA it's self, and also protein has nothing to do with it also.<span>Nucleic Acid would be small particals in the cells that would consists of molecules would some sort of chain which would then lead to the DNA, but it would actually have not resemblance of the nucleic acid at any point.

</span>A Virus Is A Piece Of <span>Nucleic Acid</span> Enclosed In A Capsid.
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3 years ago
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Basic concepts of carbohydrates and it's importance?​
natulia [17]
-carbohydrates contain carbon , hydrogen and oxygen
-also known as saccharides
-glucose is a hexose monosaccharide (composed of 6 carbons )
-two structural variations: alpha α and beta β glucose ,in which the OH group on carbon 1 is in opposite positions
- glucose : polar and soluble in water due to the bonds that form between the hydroxyl groups and water molecules
-glycosidic bond : bond formed between two glucose molecules by a condensation reaction forming a disaccharide
-fructose +galactose =sucrose
-galactose +glucose = lactose
- starch :many alpha glucose molecules can be joined by glycosidic bonds to form two slightly different polysaccharides
- one of the polysaccharides of starch is called amylose
- amylose : formed by alpha glucose molecules joined together only by 1-4 glycosidic bonds
-amylopectin: both 1-4 and 1-6 (every 25 glucose subunits )glycosidic bonds between alpha glucose molecules. 1-6 glycosidic bonds cause branching
-glycogen : more branches than amylopectin . Compact so ideal for storage . Speeds up the process of storing and releasing glucose molecules required in the cell.Insoluble
-hydrolysis reactions opposite of condensation reaction
-cellulose:beta glucose molecules. Join together by alternate beta glucose molecules turn upside down
- straight chain molecule: cellulose
-cellulose molecules make H bonds with each-other forming microfibrils. Microfibrils join together to form macrofibrils which combine to produce fibres
3 0
2 years ago
Do transported soil have different types of grain particles?
jeka94

Answer:

Probably Yes

Explanation:

It's being moved so the other particles are most likely being lost so i would say, yes

3 0
2 years ago
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