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Amiraneli [1.4K]
3 years ago
14

30 POINTSS PLZ !!!! what is the most importance of the cell cycle for organisms? check all that apply.

Biology
2 answers:
Tema [17]3 years ago
6 0

creation of new organisms

reproduction of new cells

When cells are damaged, they usually die. Also, they don't grow, instead, they multiply to form new tissue. Therefore, answers (1) and (3) are not correct.

tankabanditka [31]3 years ago
5 0

Answer:

A, C, D  

growth of organisms

repair of damaged cells

reproduction of new cells

Explanation:

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Assuming that the average protein in E. coli consists of a chain of 380 amino acids, calculate the maximum number of proteins th
Afina-wow [57]

Answer:

4210.5 proteins

Explanation:

(a)The amount of nucleotide pairs in the DNA molecule calculated using

=molecular weight of DNA/molecular weight of a single pair

molecular weight of DNA

= 3.1 × 10^9g/mol

molecular weight of a single pair

= 0.66 ×10^3g/mol

= (3.1 × 10^9g/mol)/(0.66 × 10^3g/mol)

= 4.7 10^6pairs

Lets, Multiply the number of pairs with the length per pair

Take, length per pair = 0.34 nm/pair

= (4.7 × 10^6pairs)(0.34 nm/pair)

= 1.6 × 10^6nm

= 1.6 mm

= (approx 2mm or 0.002 mm).

Therefore,

the DNA is

(1.6 mm)/(0.002 mm)

= 800

The DNA is 800 times times longer than the cell.

This indivates Tat DNA must be tightly coiled to fit into the cell.

(b) the amount of DNA molecule nucleotide pairs has given

= 4.7 × 10^6 nucleotide pairs,

From solution (a), there must be one-third this number of triplet codons

= (4.7 × 10^6)/3

= 1.6 × 10^6codons

If an individual protein has an average of 380 amino acids, each needs a codon,

the number of proteins that can be coded by E. coli DNA

= (1.6 × 10^6codons) × (1 amino acid/codon)

---------------------------------------------

(380 amino acids/protein)

= 4210.5 proteins

________________________

Here is the complete question

The genetic information contained in DNA consists of a linear sequence of coding units known as codons. Each codon consists of three adjacent DNA nucleotides that corresponto a single amino acid in a protien.

The E.coli DNA molecule contains 4.70 x 10^6 base pairs. Determine the number of codons that can be present.

Assuming that the average protein in E.coli consists of a chain of 400 amino acids, calculate the maximum number of protiens that can be coded by an E.coli DNA molecule

7 0
3 years ago
Question 4
Mrac [35]

Answer: D. The genotype would be Gg and then phenotype would be yellow

Explanation:

6 0
2 years ago
Which of the following is true about cells?
Oksana_A [137]
I believe the answer would be d
7 0
3 years ago
What percent of energy is transferred between the levels indicated by the blue arrows?
Alborosie

Answer:

D

Explanation:

10 percent, yes

3 0
2 years ago
NEED HELP ASAP !!!!!!!!!!!!!!
Lesechka [4]

Answer:

C

Explanation:

because there is not enough surface area to grow more

7 0
2 years ago
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