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2 years ago

Which mutation is harmful to the organism?

2 answers:

8 0

Answer:Mutations are rarely harmful though. Indeed, most mutations go unnoticed, as the body has mechanisms to stop a cell copying itself when a mutation occurs. Sometimes mutations can even benefit organisms and promote diversity in a species.

Explanation:

Rina8888 [55]2 years ago

6 0

Answer: Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes. A human example is cystic fibrosis. A mutation in a single gene causes the body to produce thick, sticky mucus that clogs the lungs and blocks ducts in digestive organs

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16. One light year is the distance travelled by light in one year. If the speed of light is 3,00,000 km/s and light of the Sun t

meriva

Answer:

Distance=Speed×time

=300000×8.5 (1 minute= 60seconds)

Therefore 8.5×60=510seconds

=300000×510

=153000000Km

Explanation:

If you like my answer than please mark me brainliest thanks

5 0

3 years ago

In eukaryotes, alternative splicing of pre-mRNAs can result in the production of many structurally distinct proteins from inform

Vladimir79 [104]

Answer:

A single gene form different isoforms of protein that result from the alternative splicing of pre-mRNA sequences. one gene many polypeptide hypothesis applies here very well. This whole process helps in proliferating informational diversity and functional capacity of a gene that'll ultimately he;p in gene regulation.

This alternative splicing of pre-mRNA also produces proteomic diversity that result in various development states as well as various disease conditions later.

8 0

2 years ago

Light stimuli entering the eye encounter a series of structures while traveling to the brain. Place the structures in the correc

ch4aika [34]

Answer:

The correct answer is "1. cornea 2. retina 3. rods and cones 4. ganglion cells

5. optic nerve 6. thalamus 7. primary visual cortex"

Explanation:

Light must pass a series of structures for the brain being able to interpret the data that comes from the eyes. The order that light stimuli travels from the eye to the brain is as follows:

1. cornea

2. retina

3. rods and cones

4. ganglion cells

5. optic nerve

6. thalamus

7. primary visual cortex

Light enters trough the cornea, the transparent front part of the eye that covers two-thirds of its total optical power; then it goes to the retina which receives the image that could go to the rods or the cones (depending if the light is at low or high levels, respectively). Then, ganglion cells increase the rate of the impulse within the optic nerve, and finally thalamus passes the sensory signal to the primary visual cortex. In this area of the brain, the basic visual features are extracted and interpreted.

6 0

3 years ago

As altitude increases, air pressure __________ (increases, decreases, or stays the same). This is a(n) ________(direct, indirect

lions [1.4K]

Answer:

The correct answer is - decreases. direct.

Explanation:

Altitude is a distance measurement of distance in a vertical manner or how high something from the sea level. It helps in the height of the mountains and different places.

Air pressure and altitude are the two factors that are in direct relation as the air pressure decreases with the increase in altitude. the gases present in the higher elevations are fewer than the sea level.

7 0

3 years ago

How many half-lives occur in 4 hours?<br> A. 1<br> B. 2<br> C. 3 <br> D. 4

Solnce55 [7]

I believe the answer is C

3 0

2 years ago