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kap26 [50]
3 years ago
14

All of the following are caused by water erosion, except:

Biology
1 answer:
Sveta_85 [38]3 years ago
5 0

Answer: Ultimately, a beach erodes because the supply of sand to the beach can not keep up with the loss of sand to the sea. Most sand is transported from inland via rivers and streams. The damming of most waterways in the US has thus prevented a major supply of sand from getting to our beaches.

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Why are single-stranded binding proteins necessary for DNA replication?
Margarita [4]

Answer:

d.They prevent the two parental strands from coming together again.

Explanation:

During the process of DNA replication, the two DNA strands should be separated from each other to serve as a template. To separate the two DNA strands, the helicase enzyme breaks down the hydrogen bonds between the complementary base pairs of the DNA strands. The process uses ATP as a source of energy.

Due to the presence of complementary base pairs, the separated DNA strands have a tendency to reanneal by the formation of hydrogen bonds. To prevent the reannealing of separated DNA strands, single stranded binding proteins bind to them. Binding to single stranded binding proteins to the separated DNA strands does not allow them to reanneal.  

8 0
2 years ago
Why is retinoblastoma more common in individuals who have inherited the RB deletion and have the genetic predisposition for reti
kvasek [131]

Answer:

Retinoblastoma is more common in people due to the mutation of RB gene in them.

Explanation:

Retinoblastoma is a disease that affects the eyes of an individual. It is more commonly eye cancer which occurs on the retina of the eye. Retinoblastoma mainly affects younger children.

When the RB gene is mutated or it is deleted already on any one of a homologous chromosomes, then only one hit rather that two which is needed to cause the development of retinoblastoma and hence the probability is of retinoblastoma to occur is higher in the individuals who have already inherited the RB deletion and also have a genetic predisposition for the retinoblastoma.

5 0
3 years ago
The water cycle gets its energy from the ___?
Elan Coil [88]

Answer:

the sun

Explanation:

7 0
3 years ago
how is it possible mohave thousands of different proteins when there are only 20 different amino acids
TEA [102]
Hi there!

Although there are only 20 amino acids, these amino acids can combine into an innumerable amount of combinations to form different and unique proteins. 

<span>In case that doesn't make sense to you, I'll provide you with an analogy. You could be provided with 20 different LEGO bricks to work with. While there may only be 20 bricks, these bricks can combine into a vast amount of different formations, structures, etc. Amino Acids work in the same way.</span>
8 0
3 years ago
A common theme in biology is that energy flows through biological systems while matter __________.
Sergeeva-Olga [200]
A common theme in biology is that energy flows through biological systems while matter IS RECYCLED. Energy and matter are not destroyed in the ecosystem. The energy is transformed and the matter is recycled. In a food web, the food is transferred from one organism to another in different forms. this shows that the same molecules and atoms are recycled as the same molecule is used by one organism and then transferred to the second organism.
7 0
3 years ago
Read 2 more answers
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