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OLga [1]
2 years ago
8

1. Given the original DNA nucleotide sequence, which of the following is a mutated sequence showing a point mutation?

Biology
1 answer:
Naya [18.7K]2 years ago
3 0

Answer:

The correct answer is - b. Original: G C A T T A A C G A C A  

Explanation:

Point mutation is the mutation where change takes place in one of the nucleotides or single base by one of three ways that are insertion, deletion, or substitution of the nucleotide. In insertion, one extra single base is added to the original sequence, In the deletion one of the single base pair is deleted from the single sequence, and in substitution one base is switched with the complementary base.

In all the options, there are more than nucleotide is altered except option B where T is altered with A and cause mutation.

Original sequence: G C A T T A A C G A C A

mutated sequence: G C A A T A A C G A C A

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Geologic plates move away from each other in a process called convergence. O True O False​
KengaRu [80]

Answer:

False

Explanation:

Convergence of plates can occur when

two geological tectonic plates are moving towards each other, where one of this plate go in direction beneath the other plate. As they moved towards each other mountain chain can be formed in a situation whereby the two plates has the same density.

Hence, the best option is FALSE because it is in only "DIVERGENCE PROCESS " that the plates moves away from each other.

7 0
3 years ago
Which beverage is the best example of a colloid?
nikdorinn [45]

Answer:

c . milk

Explanation:

Colloid are those whose particles are larger than the size of molecule.The size of particle is one nano meter.Collide particle range is between 1 to 1,000 nano meter. Every collide particle is consist of two parts colloidal particle and dispersion medium.

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milk is the example of liquid collide.

8 0
3 years ago
In a DNA molecule, the sugar and phosphate groups are to the?
sergejj [24]
I dont remember much of biology but i do remember my teacher saying something about phosphate backbone, i know its not much help. sorry!!
6 0
3 years ago
How specialized structures increase the probability of successful reproduction in the plants, and factors that affect their grow
nikklg [1K]

Answer:

Specialized structures such as

1. The brightly colored flowers attract insects that transfer pollen from the anther to the stigma of another plant.

2. The scented smell of flowers and their nectars also attract insect and other pollinators to them.

Explanation:

Reproduction refers to the way by which plants and animals produce offspring or their types. Pollination, which is the transfer of pollen grains from the anther to the stigma of the same or another flower is a vital way by which plants accomplish this.

Structures of plants such as their brightly colored flowers, the nectars produced by them, as well as their characteristic smells attract pollinators to them that, in turn, aid reproduction.

7 0
2 years ago
The least important role of nutrition in wellness is learning to
jolli1 [7]
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3 0
3 years ago
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