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mylen [45]
3 years ago
6

Please I need help with biology hw

Biology
1 answer:
Ipatiy [6.2K]3 years ago
7 0
Letter a i guess probably
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A purple flower with an unkown genotype is crossed with a white flower. Determine the genotype of the purple flower if purple P
Tom [10]
Pp is the genotype because you know purple must have a gene of purple, which it says is dominant. If the white is recessive, the purple with dominate the white.
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3 years ago
Frameshift mutations ____________.
castortr0y [4]

Answer:

The correct answer is option b. "cause a change in the reading frame of mRNA codons".

Explanation:

Frameshift mutations are among the most drastic mutations because in most cases, result in the translation of a completely different protein. Frameshift mutations are the result of insertions or deletion of one or more nucleotides, resulting in a change in the reading frame of mRNA codons. In consequence, the ribosome translates a different amino acid sequence, based on the new reading frame of mRNA codons.

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4 years ago
How can local environmental changes have global effects?
Alex777 [14]

Answer:

D

Explanation:

Water and air circulate around the world in water currents and wind systems (like prevailing winds) respectively, hence distribute energy and whatever else they are carrying across the globe. This is why polluting the oceans in the equatorial region will have indirect consequences for marine life in the poles.

Pollution of air through emission  of greenhouse gases in one part of the globe will contribute to global warming across the world because these emissions will be carried around by prevailing winds and diffuse across the atmosphere.

Global warming also causes climate change that subsequently causes the displacement or migration of organisms when this change in climate is unfavorable  

6 0
3 years ago
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Using the rule in the passage, which acid is formed by dissolving hydrogen cyanide in water?
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<span>hydrocyanic acid is the correct answer</span>
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What effect can a buildup of pesticides have over the long term environment
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A buildup of pesticides could get into an animal. That animal will be killed by a hunter. The hunter eats the animal with the pesticide. The hunter then becomes sick. This is just an example but you can see what i'm getting at.
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