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patriot [66]
3 years ago
5

3

Chemistry
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

  • 3
  • 6.941
  • 3
  • 3.2
  • 3

Explanation:

pls mark brainliest

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1. Which statement is accurate?
valkas [14]

1. Answer:

B) An allele is one form of a gene.

Explanation:

  • <em><u>An allele refers to an alternative form of a gene. In other words it is one of the form of a gene.</u></em>
  • <em><u>A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele. </u></em>
  • A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.
  • A heterozygous organisms contain one dominant allele and one recessive allele.

2. Answer;

B) Alleles

Explanation;

  • <em><u>According to Mendel genes are inherited in pairs of alleles that behave in a dominant and recessive pattern. </u></em>
  • <em><u>Alleles are alternative forms of a gene. </u></em>
  • A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele.
  • A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.
8 0
4 years ago
Hydrogen bonds are formed between molecules when hydrogen is covalently bonded to an element that has a
stepan [7]

Answer:

choice 3

Explanation:

Hydrogen bonding occurs when a H is bonded to a highly electronegative atom like F. Towards the upper right corner, most atoms have high electronegativity and small atomic radii, according to periodic trends.

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7 0
3 years ago
Help please <br> What percentage of the world does not have a reliable source for clean water?
disa [49]

Answer:9%

Explanation:

7 0
3 years ago
What is the similarities of freezing of water and electrolysis of water​
erastova [34]

Answer:

Electrolysis of water is the process of using electricity to decompose water into oxygen and hydrogen gas. Hydrogen gas released in this way can be used as hydrogen fuel, or remixed with the oxygen to create oxyhydrogen gas, which is used in welding and other applications.Ordinarily, the freezing point of water and melting point is 0 °C or 32 °F. The temperature may be lower if supercooling occurs or if there are impurities present in the water which could cause freezing point depression to occur. Under certain conditions, water may remain a liquid as cold as -40 to -42°

Explanation:

8 0
3 years ago
What is the use of the crystallisation process?
ioda
  •  to obtain pure salt from seawater. 
  • in order to obtain pure crystals of a substance from an impure mixture. 
  • obtain pure alum crystals from an impure alum.

5 0
2 years ago
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