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Murrr4er [49]
3 years ago
13

What’s causes climate change

Biology
1 answer:
professor190 [17]3 years ago
5 0
The earth surface and when the sun and earth move. Plus the north and South hemisphere
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Which class of hydrocarbons contains at least one carbon-carbon triple bond?
butalik [34]

Answer:

Alkenes, A hydrocarbon with at least one carbon–carbon double bond that is unsaturated. An unsaturated hydrocarbon with at least one carbon—carbon triple bond between two carbon atoms is known as an alkyne.

Explanation:

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1. A molecule of gas ___ phosphate groups attached to it. When the cell needs energy, it converts ATP into ___. When the cell is
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three

ADP

ADP

ATP

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John and emily were experimenting with the effects of road salt on plant growth. to do this, they watered plants daily with the
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Why is photosynthesis is so important to life on earth?
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A pair of mice are bred several times generating the following data table. What are the most likely genotypes of the parents?
Tamiku [17]

Answer:

This question lacks options, the options are:

A) FF and ff

B) FF and Ff

C) Ff and Ff

D) Ff and ff

The answer is D (Ff and ff for parent 1 and 2 respectively)

Explanation:

This question depicts a single gene coding for fur colour in mice. The gene controls two traits, black fur and white fur, encoded by alleles F and f respectively.

According to the question, a pair of mice has been bred several times to generate the same data of 22 black fur and 23 white fur mice. Based on this data, it shows that the phenotypic ratio of black to white mice is 1:1.

To get a 1:1 phenotypic ratio of black fur offspring to white fur offspring, the parents mice must have genotypes Ff (heterozygous) and ff (same recessive alleles).

In a cross between parents Ff × ff (see punnet square), offsprings with the following genotypes will be produced: Ff, Ff, ff and ff. Ff is black furred while ff is white furred.

Ff (2) : ff (2) is equivalent to Ff (1) : ff (1).

Hence, a data of 22 black mice and 23 white mice which represents a 1:1 ratio will only be produced by parents mice with genotypes: Ff and ff.

3 0
3 years ago
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