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nadezda [96]
3 years ago
6

A 5th-grade class observed these organisms in a grassy field. The students listed theirm

Biology
1 answer:
Mice21 [21]3 years ago
3 0
B! Is the answer welcome:))
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What out of these options are heterotrophs yeast Euglena paramecium
ELEN [110]

Answer:

All—yeast, euglena, and paramecium—exhibit heterotrophic mode of nutrition.

Explanation:

Yeast needs to feed on subtrates (or substances) like sugars, euglena can make its food like plants do and also feeds on other food sources, while paramecium feeds on bacteria often.

3 0
3 years ago
There are no known motor proteins that move on intermediate filaments (IFs).
Harlamova29_29 [7]

Answer: The correct option is E ( Intermediate filaments are unpolarized).

Explanation:

Intermediate Filaments are usually associated with cells that can withstand mechanical stress which includes claws of animals, hair and makes up the dead remnants of the epidermal cell of the skin. Therefore without the supporting network of intermediate filaments, an epithelium remains intact but the cells are prone to damage by abrasive forces.

Intermediate filaments are so named because they are thicker than actin filaments and thinner than microtubules or muscle myosin filaments

The properties or characteristics of an intermediate filaments that explains the lack of motor proteins is as a result of its subunits which are elongated, not globular and are associated in an anti-polar manner. Therefore, the overall filament has no polarity, and therefore no motor proteins move along intermediate filaments

5 0
3 years ago
Single sugar molecules are also called?
jolli1 [7]
 from what I can see from my research they are also called monosaccharides. 
Hope it helped:)
4 0
3 years ago
Read 2 more answers
Digestive enzymes in your stomach and intestines help digest the food you eat. If you are lactose intolerant and cannot digest m
storchak [24]

Answer:

Lactose intolerance is when your body can't break down or digest lactose. Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it.

Explanation:

6 0
3 years ago
Read 2 more answers
The meselson-stahl experiment supported which mechanism for dna replication? see section 15.2 (page 320) .
Arte-miy333 [17]
Answer;
DNA replication is semi-conservative.
The meselson-stahl experiment supported the hypothesis that DNA replication is semi-conservative.

Explanation;
The Meselson-Stahl experiment
was an experiment by Meselson and Stahl that proved that the semi-conservative model by Watson and Crick was correct. 
DNA replication is semi-conservative in the sense that the new helices formed after replication contain, one new DNA strand and one old strand from the parent DNA molecule.
6 0
3 years ago
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