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mafiozo [28]
3 years ago
6

What are the visible legs that appear when DNA strands coil and condense

Biology
1 answer:
sammy [17]3 years ago
7 0

The answer is; chromosomes.

During interphase, the chromosomes are usually hard to visualize even under a microscope becaue they are long thin threads called chromatin. During the initiation of mitosis, the chromatin undergo structural changes that condense and shortens them  and they becomes visible to even a light microscope.  


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Cellulose, chitin, and peptidoglycan function as structural molecules and withstand pulling and pushing forces well. Which struc
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Answer:

                                                                                   

Explanation:

4 0
3 years ago
In garden pea plants, purple flowers (P) are dominant to white flowers (p), and full pod shape (F) is dominant to constricted po
kifflom [539]

Answer:

The phenotypes are as follows

Purple, full- 9

Purple, constricted- 3

White, full- 3

White, constricted- 1

Genotype of parents are PpFf, each produce the following gametes: PF, Pf, pF and pf.

Explanation:

This is a dihybrid cross involving two distinct genes. One coding for flower color and the other for pod shape. The allele for purple color (P) is dominant over the allele for white color (p) while the allele for full pod (F) is dominant over the allele for constricted pod (f).

In a cross between two heterozygote parents i.e. PpFf × PpFf, each parent will produce the following gametes: PF, Pf, pF and pf. Using these gametes in a punnet square (see attached image) the following 16 offsprings will be produced in a phenotypic ratio: 9:3:3:1

Purple color, full pod- 9

Purple color, constricted pod- 3

White flower, full pod- 3

White flower, constricted pod- 1

7 0
3 years ago
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5 0
2 years ago
What are the pores in a leaf called and what is their purpose
Katyanochek1 [597]

Answer: Helps the plant breathe: The epidermis of the leaf contains guard cells that control and regulate the small pores on the undersurface of the leaves. These pores are called stomata. Stomata are responsible for regulating water in and out of the cell. It is also responsible for the exchange of gases across the epidermis.

8 0
3 years ago
Read 2 more answers
Which has a cone for its reproductive structure
Neko [114]

Answer:

conifers: Cones

Explanation:

Conifers have cones (hence their name). Cones are the reproductive structures ofthe conifers: Cones are diploid tissue produced by the dominant sporophyte stage. The haploid gametophyte stage develops and produces gametes inside the cone.

6 0
3 years ago
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