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Lunna [17]
3 years ago
10

A chemical bond resulting from the sharing of electrons between two elements with very similar electronegativity are indicative

of ____ bonds. Methane is a good example of this type of bond.
Group of answer choices

ionic

hydrogen

polar covalent

nonpolar covalent
Biology
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

non-polar covalent

Explanation:

the electrons are shared so its a non-polar covalent bond

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he bodies of wild-type fruit flies are colored by dark pigments, but an X-linked recessive mutation can confer a yellow, unpigme
bekas [8.4K]

Answer:

We could feed them with another type of food free of silver salts.

Explanation:

When talking about a phenocopy, we are referring to individuals who genotypically should be expressing a determined phenotype, but due to environmental influence, they express another phenotype. This is a non-inheritable phenotype, so it is not considered a mutation.

If we grow thy flies feeding them another type of food that does not include silver salts, and let them mate and reproduce, they will express the real phenotype, because they will not be influenced by the food. In the following generation, there will be dark individuals carrying the dominant allele, and yellow individuals, with the recessive genotype.

7 0
3 years ago
Gabriel has developed diarrhea as a result of taking an antacid. what does the antacid likely contain?
lora16 [44]

If Gabriel developed diarrhea as a result of taking an antacid, he's been taking an antacid that contains magnesium.

Magnesium will act as a laxative.

4 0
3 years ago
A student isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. After adding some D
aivan3 [116]

Answer:

DNA ligase

Explanation:

DNA replication is an enzyme mediated, 3-step process during which the DNA molecule produces a copy of itself. The 3 steps involved are as follows;

  • initiation
  • elongation
  • termination

<em>Initiation </em>involves the unwinding of the double helix structure of the DNA using DNA helicase enzyme

<em>Elongation</em> involves binding of RNA primer to the DNA strands and addition of bases to the primer<em> </em>to elongate the new chains. Bases are added to the leading strand continuously while the lagging strand is replicated in short segments (okazaki segments).

<em>Termination</em> involves the unbinding of RNA primer and substitution of its bases by DNA bases. The Okazaki fragments are then joined together using the DNA ligase enzyme.

<em>The short, numerous segments of DNA observed in the mixture is the Okazaki fragments of the lagging strand. This is due to the absence of the enzyme involved in the joining of these fragments.</em>

Hence, the answer is DNA ligase.

4 0
3 years ago
The South Pole of a compass magnet points towards blank
Rainbow [258]

The south pole of a compass magnet points towards the NORTH

3 0
3 years ago
When Mendel performed his experiments, only one trait appeared in the F1 generation, (in this case, round peas) and the other tr
bearhunter [10]

Answer:

See the answer below

Explanation:

The explanation I would give to the phenomenon is that<u> the round trait in peas completely covers or nullify the wrinkled trait when they are together.</u> In order words, <u>whenever a single the allele of both trait come together to form a new trait, the round trait allele dominates and mask the expression of the allele of the wrinkled trait</u>.

<em>This is what Mendel explained and dominance/recessive effects. The round trait was dominant over the wrinkled trait while the wrinkled trait was said to be recessive and can only be expressed when alone.</em>

3 0
2 years ago
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