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stich3
1 month ago
14

Streptomycin is an effective antibiotic because _____________.

Biology
1 answer:
Tresset [2.2K]1 month ago
8 0
Streptomycin, which is derived from certain bacteria and fungi, is utilized to combat bacterial infections (prokaryotic), including tuberculosis and mycobacterial infections. This antibiotic disrupts protein synthesis in prokaryotes as it impacts the operation of 70S ribosomes, which are essential for the production of proteins. It has no effect on eukaryotic cells since it does not attach to their ribosomes, hence leaving their protein synthesis unaffected.
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If the two traits that Mendel looked at in his dihybrid cross of smooth yellow peas with wrinkled green peas had been controlled
garik1379 [2080]

Answer:

c. Would not conform to the 9:3:3:1 phenotypic ratio

Explanation:

When two genes are located close together on the same chromosome, the F2 generation's phenotype would not align with the 9:3:3:1 ratio.

Genes that are closely located on the same chromosome are known to be linked, and they exhibit a higher frequency of recombination compared to those that are not linked.

Consequently, while independently assorting genes yield a 9:3:3:1 phenotypic ratio in F2, linked genes do not assort independently, resulting in deviations from the expected standard phenotypic ratio.

The right option is c.

3 0
1 month ago
g"In the β-pleated sheet secondary structure of a protein, two or more amino acid sequences in separate parts of the protein are
s2008m [2378]
A) in a coil, connected through hydrogen bonds.
4 0
29 days ago
A scientist who studies the interactions that determine the distribution and abundance of organisms in the organisms' ecosystem,
garik1379 [2080]
<span>The scientific examination of how organisms are distributed and their abundance, along with the interactions that affect these aspects. This definition includes not only the flora and fauna recognized by Haeckel but also microscopic life forms like Bacteria, Archaea, and protozoa.</span>
4 0
1 month ago
Gelatin... Group of answer choices A. is a breakdown product of pectin B. gives gummy bears their chewiness C. is obtained from
enyata [2506]

Answer:

Both B and C are correct

Explanation:

Gelatin, commonly known as hydrolyzed collagen, is a structural protein in animals that gets hydrolyzed to form gelatin.Gelatin is a translucent, colorless, and flavorless ingredient used as a gelling agent in food, pharmaceuticals, and cosmetics.

When dry, it appears bristly and becomes gummy when wet.

Gummy bears are known for their chewy texture, which is attributed to gelatin.

4 0
29 days ago
Chronic overfishing disrupts a coral reef ecosystem, making the reef more susceptible to bleaching and resulting in die-off even
vlada-n [2515]

Answer:

The word that is missing is Depletion.

 

Explanation:

Depletion of coral reefs can happen as a result of excessive fishing. The demand for fish increases alongside the growing population rate.

One consequence of unsustainable and unmanaged fishing is that certain fish species may be overfished, potentially leading to extinction.

This creates an ecological disruption, which hastens the decline of the Coral Reef.

Cheers!

3 0
1 month ago
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