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ella [17]
2 years ago
13

fredrick griffith made a scientific discovery in 1928, which best describes the knowledge about genetics before 1928?

Biology
1 answer:
iVinArrow [24]2 years ago
5 0

Answer:

Scientists did not know how traits were inherited

Explanation:

Scientist before did not know how the trait is passed on not until Griffith's experiment.

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Chromosomes often exchange segments of DNA during meiosis. How might this increase the survival of a species?
il63 [147K]

Answer:

Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase

4 0
2 years ago
The Shiga and diphtheria toxins target __________ in host cells.
klio [65]

Answer:

Protein synthesis.

Explanation:

Shiga toxin is expressed by the genome of the lamboid prophages. Diphtheria toxin is a type of toxin that causes diphtheria in the individual.  

The shiga and diphtheria toxin are proves to be harmful in the humans and causes harmful disease. Both these toxins inhibit the protein synthesis or translation of the host cell. The inhibition of protein synthesis causes drastic harmful effects in the individual.

Thus, the answer is protein synthesis.

7 0
3 years ago
How does clear cutting compare with selective cutting, and why is selective cutting considered more sustainable than clear cutti
Alenkasestr [34]
Selective logging—the practice of removing one or two trees and leaving the rest intact—is often considered a sustainable alternative to clear-cutting, in which a large swath of forest is cut down, leaving little behind except wood debris and a denuded landscape.
8 0
3 years ago
Read 2 more answers
What is a dam<br>please tell​
Scrat [10]
A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
3 0
2 years ago
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Which best describes the dorsal nerve cord? a thick grouping of nerves that runs down the back of the embryo a group of intercon
kumpel [21]

Answer

A thick grouping of nerves that run down the back of the embryo

Explanation

The dorsal nerve cord is special embryonic characteristic of the ganglia. It is a hollow dorsal cord that is composed of a section of the exfoliated coagulant that forms a hollow tube unlike solid abdominal tubes in other animal species. It is located in the vertebrae of vertebrates.


8 0
3 years ago
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