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3 years ago

Which enzyme is responsible for binding free floating nucleotides to dna strand

Biology

2 answers:

Harman [31]3 years ago

8 0

The enzyme is called polymerases.

Vesna [10]3 years ago

4 0

polymerases, of which there are many. Understanding which types of polymerases perform which functions under which circumstances will clarify the complexity of this topic. The processes of transcription, making RNA from DNA, and replication, copying DNA from DNA, are major functions that require polymerases to link nucleotides into long chains.

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A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W

Arlecino [84]

Answer: D. calcium chloride

Calcium chloride molecules can be ruled out as the mystery molecule

Explanation:

Artificial membranes are also called as the synthetic membranes. It is created synthetically for the special separation purpose in the laboratory. 

It is used to separate large molecules like solid particles and big biological molecules like protein, DNA. 

They are produced from organic materials. Calcium chloride contains the chloride ion and calcium ion, as the chloride ion easily passes the artificial membrane so we can term calcium chloride as the mystery membrane that passes the artificial membrane easily.

5 0

3 years ago

1. All cells are derived from _____________________

Inessa [10]

1.other cells
2. Growth, reproduction
4.nucleus
6. It makes 2
10.46
——————————-

5. Sex chromosomes
6. XX is female, XY is male

—————
3.zygote
4. No

5 0

3 years ago

What biomes are found in south africa

aliya0001 [1]

Deserts, savannas, and grasslands.

6 0

3 years ago

The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 25 years. How many

kotykmax [81]

The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 25 years. How many animals will be left in 35 years The decay law i

p(t) = 1,700,000 (1/2)t/25

where t is in years and p(t) is the population at time t. Plug in 40 and 55 for t.

<h3>What is threatened animal?</h3>

Any species (including those of animals, plants, and fungi) that is likely to become endangered in the near future is considered to be a threatened species. The population dynamics measure of critical depensation, a calculation of biomass related to population growth rate, is occasionally used to identify threatened species. This quantitative indicator is one way to gauge how endangered an area is. When discussing IUCN categories, the terms threatened and vulnerable may be used interchangeably; however, threatened generally refers to the three categories (critically endangered, endangered, and vulnerable), whereas vulnerable generally refers to the category that is least at risk among the three. However, since all threatened species are vulnerable species, they can usually be used interchangeably.

To learn more about threatened animal from the given link:

brainly.com/question/15576147

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8 0

1 year ago

Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal cells. Spermatogene

Aneli [31]

Answer: a. Genetic recombination (crossing over)

b. Can also be explained in terms of crossing over

c. Non disjunction of homologous chromosomes in meiosis 1

Explanation:

The process that allows for the transfer of both the paternal and maternal materials to is the crossing over process that takes at meiosis 1 changing them to secondary spermatocytes. While they are still primary spermatocytes, they are still diploid cells having both the maternal and paternal chromosomes. But since the spermatozoon is an haploid cell, it is able to retail some of both parents chromosome by the crossing over event which takes place between homologous paternal and maternal chromosomes allowing them to exchange materials. Thus the chromosomal contents of the primary spermatocyte differs from that of the spermatozoon.

C. This can occur as a result of the one of the homologous chromosome pair refusing to separate at meiosis 1 with one gamete containing 4 chromosomes/8 sister chromatids and the second having 2 chromosomes/4 sister chromatids.

3 0

3 years ago