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amm1812
3 years ago
15

What is a solvent?

Biology
2 answers:
HACTEHA [7]3 years ago
3 0
A substance that can dissolve other substances
laiz [17]3 years ago
3 0
The answer is B because solvents dissolve solutes creating solution
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Punnett square question? 80 PTS FOR BEST ANSWER!
kkurt [141]

Answer:

Explanation:

For number 4, it tells you that purple body color is dominant to blue.

When an allele is dominant over another allele (alleles are different forms of genes, represented using letters) that means only one dominant allele needs to be present to express the dominant phenotype (phenotype is the physical appearance determined by genotype). Since purple is dominant, we use a capital "P" to represent it. Since blue is not dominant, it is called recessive, so we use a lower-case "p" to represent it.

The first genotype they give you, it is "PP", and since at least one big P is there, the phenotype is purple.

The second genotype they give you is "Pp", and since there is at least one capital P, the phenotype is also purple. It does not matter that the second allele is a lower-case, because as long as there is a capital P present, it will masks the presence of the lower-case (recessive) allele.

The third genotype is "pp", both are lower-case, so there is not dominant allele to mask the recessive ones. So, the phenotype is blue. The recessive phenotype will only be phenotypically present if the genotype is homozygous recessive.

Homozygous - having both of the same alleles (PP or pp)

In which PP is known as homozygous dominant, because it is made from the dominant allele. And pp is known as homozygous recessive, because it is made from the recessive allele.

Heterozygous - having one dominant and one recessive allele (Pp)

Note: It does that really matter what letter you use, the importance is whether it is a capital or not because that tells you if it is dominant or recessive.

The same for square shape. It says that square is dominant over round, so a capital letter is used to represent square (S), and a lower-case to represent round (s).

Therefore, the phenotype would be:

Square, Square, round, respectively.

Number 5 is asking you to go from the phenotype (physical look) to the genotype.

Tall head is (T) and dominant to short (t).

Tall = could be PP or Pp (homozygous dominant or heterozygous). It could be both since in both genotypes at least one dominant allele is present, so it will result in a dominant phenotype.

Short = tt. It is "tt" because it is recessive, and the only way to physically show the recessive phenotype is to have a homozygous recessive genotype.

Green is dominant over blue, so again.

Green body - the genotypes could be GG or Gg. At long as there is one capital (dominant) allele.

Yellow body - gg (it is recessive, so it cannot have a capital "G", or that would masks the recessive g).

Hope this helps.

7 0
3 years ago
Turbidites consist of mostly __________ sediment. biogenous hydrogenous cosmogenous lithogenous
Vesna [10]

I think the accurate answer to this question, based from the sources, is lithogenous. Turbidites are old and pre-existing rocks that have formed many years ago and still exist.Thank you for your question. Please don't hesitate to ask in Brainly your queries
7 0
3 years ago
How long does it take for a package to come from uk to arizona?
Sunny_sXe [5.5K]
It depends most packages take 2-3 weeks so I’m guessing about 4 or 5?
4 0
3 years ago
What 3 phyla constitute most of the Animal Kingdom? (specify if invertebrate<br> or vertebrate)
mihalych1998 [28]

Answer:

arthropoda : invertebrate

mollusca : invertebrate

chordata : vertebrate

Explanation:

There are 9 in total but those are the main 3

7 0
1 year ago
Which accurately describes gymnosperms? Check all that apply. Some of them lose their leaves in winter.Some of them lack seeds.S
AleksandrR [38]
I think that correct answers are:
<span>Some of them lose their leaves in winter. (i.e. <span><em>Larix</em></span>)</span>
<span>They include the tallest plants (i.e<em>.Sequoia)

</em>I don't think they are the oldest type of seed plants, since in the past the classes like progymnosperms and seed ferns existed prior to the gymnosperms. But question isn't absolutely clear to me and I can't be 100% sure.
All of the gymnosperms have seeds unless human grows some seedless variant.
Gymnosperms don't have flowers like angiosperms do, but some people think that cone is kind of flower.
Male cones produce pollen, not female.
Hope I helped :)
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7 0
2 years ago
Read 2 more answers
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