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kati45 [8]
3 years ago
14

What is the definition of chemical reaction??? I need help

Biology
2 answers:
Snezhnost [94]3 years ago
4 0
A chemical reaction is a process in which one or more substances are changed into new substances. 

An example of a chemical reaction is when metal rusts.


kvv77 [185]3 years ago
3 0

Answer: A chemical reaction is a process in by which one or more substances (reactants) change to make one or more new substances that are chemically joined (products).

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Describe two major differences between the appearance of granite and basalt
Anna007 [38]

Answer:

The difference between granites and basalts is in silica content and their rates of cooling. A basalt is about 53% SiO2, whereas granite is 73%. Intrusive, slowly cooled inside the crust.

I Hope it Helps:)

8 0
2 years ago
Read 2 more answers
During transcription of protein-coding genes, both strands are very often used as template.
Akimi4 [234]
B.Incorrect. When transcription is transcribed from the gene for transcription, only a string of DNA is used as a template by the RNA polymerase.
7 0
3 years ago
Which of the following processes explains how a single gene could code for more than one protein
Rufina [12.5K]
<h2>Answer:</h2><h3 /><h3>Alternative splicing is a process that occurs during gene expression and allows for the production of multiple proteins (protein isoforms) from a single gene coding. ... For example, if a pre-mRNA has four exons (A, B, C, and D), these can be spliced and translated in a number of different combinations.</h3>
8 0
3 years ago
Guinea pig coat color is determined by a single gene. The allele for black coat color is dominant to brown. In a cross between t
Gwar [14]

Answer:

In a cross between two black-haired guinea pigs, 20 offspring are born. If both parents were heterozygous, probability would predict that approximately 1 out of 20 offspring would have brown hair

Explanation:

The two parents crossed were heterozygous dominant black coat color, after crossing 75% gives dominant black color coat while 25% gives only brown coat color homozygous

7 0
3 years ago
Some fruit flies have orange eyes and others have red eyes.
Burka [1]

Answer:

not 100% sure but

Explanation:

might be because each fruit fly has a different eye color because offspring from parents will have different eye color. or it might be from some sort of mutation that happened, that might be why they still have the gene to orange eyes. or red eyed fruit flys(or fly) migrated into a orange eyed populating and had offspring like that, that would also explain why red eyed fruit flys have the orange eyed gene.

again not 100% sure

but I hoped it helped a little

6 0
2 years ago
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