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Stella [2.4K]
3 years ago
12

How could environmental concerns conflict with your desire to improve your standard living?

Biology
1 answer:
inna [77]3 years ago
3 0

People always go to the mall to improve their standard of living. I would like to get those people attention and focus on helping the environment.

-Mabel <3

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If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
Likurg_2 [28]

Answer:

10%

Explanation:

Chargaff postulated the complementary base pairing rule, where he stated that in the DNA molecule, Adenine (A) will always pair with Thymine (T) and Guanine (G) with Cytosine (C) i.e. A-T, G-C

Chargaff stated that the concentration of purines (Adenine and Guanine) is always equal to that of pyrimidines (Thymine and Cytosine) i.e. {A} + {G} = {C} + {T}

These equal concentration equals 100% in totality i.e. A+G+C+T= 100%

Thymine pairs with Adenine, if there is 40% of Thymine in the DNA molecule, it means there will be 40% of Adenine also. 40 + 40 = 80%. This leaves us with 100-80 = 20% for Guanine and Cytosine.

Since there will be an equal amount of Guanine and Cytosine too, Guanine will therefore, be 20/2 = 10%.

That is, 10% Guanine, 10% Cytosine.

8 0
3 years ago
To construct a mapping cross of linked genes, it is important that the genotypes of some of the gametes produced by the heterozy
FrozenT [24]

Answer:

False.

Explanation:

Linked genes are the genes that are present on the same chromosome and can undergo the process the recombination. The recombinant progeny are obtained by the crossing of the linked genes.

The recombinant frequency and map distance can be deduced by the mapping of the linked genes. The genotype of the heterozygote cannot be deduced by examining phenotype and sometimes the recombinant progeny is completely different from the parents as well as from the heterozygotes.

Thus, the correct answer is false.

7 0
3 years ago
How fast can a cheetah run at to speed
igomit [66]
A cheetah can run about 70 miles per hour
8 0
2 years ago
Read 2 more answers
What is the significance of chitin arthropods? A. Chitin is a storage carbohydrate that form their exoskeleton. B. Chitin is a s
vlada-n [284]

Answer;

-Chitin is a structural carbohydrate that forms their exoskeleton


Explanation;

-Chitin is the main component in the exoskeletons of arthropods and crustaceans and is also in the cell walls of fungi.

-It is a linear long chain polymer consisting of repeated units of N-acetyl-glucosamine.

-The main function of the chitin-containing exoskeleton is to keep the inner soft tissue safe from any sort of injury and also prevents the delicate tissues from drying (acts as a water tight barrier against dehydration).

8 0
3 years ago
Read 2 more answers
How much would a 125 pound person weigh on pluto​
Reika [66]

Answer:

77.5lbs

Explanation:

Weight × Pluto's surface gravity

125 x 0.62 = 77.5

3 0
3 years ago
Read 2 more answers
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