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sladkih [1.3K]
2 years ago
15

After (blank), the zygote develops into a larger organism. Please answer quickly, the question is timed.

Biology
1 answer:
kykrilka [37]2 years ago
3 0
Fertilization Is Your Answer.
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Which form of cell transport allows small molecules to move from an area of higher concentration to an area of lower concentrati
vampirchik [111]
I think the correct answer from the choices listed above is option D. Simple diffusion is the cell transport that allows small molecules to move from an area of higher concentration to an area of lower concentration without energy being <span>required from the cell.</span>
3 0
3 years ago
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1. In a population of 200 field mice, 98 mice are homozygous dominant for brown fur (FF), 84 mice are heterozygous (Ff), and 18
iVinArrow [24]
A.
The genotype frequencies can be determined by dividing the number of individuals with a genotype by the total number all the individuals. 
FF genotype frequency:
98÷200=0,49. There are approximately 5 <span>homozygous dominant mice in 10.
Ff genotype frequency:
84</span>÷200=0,42. There are approximately 4 <span>heterozygous mice in 10.
ff genotype frequency:
18</span>÷200=0,09. There are approximately 1 <span>homozygous recessive mouse in 10.

B.
To determine the frequency of an allele we can divide the number of times that the allele appears by the total number of alleles.
F allele frequency:
</span>\frac{(98*2)+84}{400}<span>=0.7
There are 7 F alleles in 10 random alleles.
f </span>allele frequency:
\frac{84+(18*2)}{400}=0.3
There are 3 f alleles in 10 random alleles.<span>
</span>
6 0
3 years ago
Professional gardeners often soak seeds in hydrogen peroxide before planting them. Why?
prisoha [69]

Answer:

Professional gardeners often soak seeds in hydrogen peroxide before planting them in order to increase the germination percentage or to reduce germination failure. When the seeds are soaked in hydrogen peroxide, the seed coat becomes soft and enzymes present in the seed becomes active. Due to soaking of seeds, the seed takes less time to germinate. So that's why gardeners uses this method.

5 0
2 years ago
Is a catalyst a macromolecule?
Arlecino [84]
No, a macromolecule is a large organic molecule

Hope this helps

3 0
3 years ago
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The fossil record shows that some animals, such as the horseshoe crab, have existed unchanged for millions of years. Other organ
Leno4ka [110]

The horsehoe crab because it was one of the first animals to ever live on earth

6 0
3 years ago
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