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Anna71 [15]
3 years ago
7

¿Que puedo pedirle a mi padre para mí regalo de cumpleaños?​

Biology
1 answer:
Sedbober [7]3 years ago
5 0

Explanation:

un terreno

es algo eficiente y que vas a necesitar el día de mañana...

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Which method(s) can be used to join double-stranded breaks in DNA? (choose all that apply)
Amiraneli [1.4K]

Answer:

Option (a) and (d).

Explanation:

The breaks in DNA molecule may occur due to replication error and oxidizing agent. The double-stranded breaks in DNA can be corrected by Homologous end joining and non homologous end joining.

Homologous end joining is used to repair the DNA present in G2 nad S phases of the cell cycle. The homologous sequences of DNA is used to repair the DNA. Non homologous end joining occurs in the cell present at G0 and G1 phase of the cell cycle. The DNA broken ends are juxtaposed and later rejoin together by DNA ligase.

Thus, the correct answer is option (a) and (d).

3 0
4 years ago
Can someone please answer these for me
Vladimir [108]

Answer:

1. genotype of female: Bb

a. genotype of male: bb

b. white is dominant

c. female phenotype: white

male phenotype: black

5 0
3 years ago
Drosophila melanogaster (select all that apply): Group of answer choices Have the significant disadvantage of a multiple-month l
vovikov84 [41]

Answer:

Contains large polytene chromosome that permit visual inspection of genomic events.

Were used to study the genetic effects of mutations.

Were used to establish the concept of chromosomal inheritance.

Explanation:

<em>Drosophila melanogaster </em>is a model organism that is used by scientists to study the genes and effect of a mutation on the genes. Drosophila is used as a model organism as it has a very short life cycle and the offspring can be produced in a short duration of time.

Because of these characteristics, Thomas Hunt Morgan wanted to study the factors of inheritance on the <em>Drosophila</em> and concluded in the form of the chromosomal theory of inheritance by the effect of mutation on genes that lead to linkage mapping.

Also, the salivary gland of fruit fly contains the polytene chromosome which allows us to look into the gene events.

Thus, the selected options are correct.

8 0
3 years ago
Which of the following statements about the nuclear envelope is false?
GalinKa [24]

Answer:

The statement that is false is b)The nuclear envelope is continuous with the Golgi apparatus.

Explanation:

The nuclear envelope or nuclear membrane is not continuous with the Golgi apparatus; rather it is continuous with the exterior of the endoplasmic reticulum.  

Nuclear envelope is a double-layered membrane built from lipid bilayer. The nuclear membrane consists of nuclear pores, which are made up of proteins and majorly function in the passing of selected substances in and out of the nucleus. Hence, all the other statements a,c,d are correct.            

3 0
3 years ago
Which of the following types of organism represents the first life form on earth?
mojhsa [17]
Anaerobic, heterotrophic procaryotes
4 0
3 years ago
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