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dexar [7]
2 years ago
15

Which statement best describes the law of superposition?

Biology
1 answer:
bixtya [17]2 years ago
4 0

Answer:

The answer is B

Explanation:

each layer is covered as another layer which means the lowest are also the  oldest

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Plz help ill give brainliest
NeX [460]

Answer:

the dominant get capital letters and the recessive get lowercase letters

Explanation:

Its that way because dominant is always there so it gets the big letter as to where the recessive letter gets the little letter because it really only shows if there are both recessive alleles but if there is a dominant there will always be a big letter and that dominant phenotype will always show.

6 0
2 years ago
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Walking with muscular dystrophy is described as...
Alja [10]
The person would first have trouble walking, and soon have trouble taking care of him or herself's basic needs.
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3 years ago
What terms or expression helps to distinguish positive from negative feedback?
Sholpan [36]

Explanation:

positovo siempreeeeee

6 0
3 years ago
Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves. Leaves contain that allow f
padilas [110]

Answer:

Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves. Leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

5 0
2 years ago
What is the Molecular mechanism of DNA replication?
kolezko [41]

Answer:

DNA replication a process of copying of a cell's DNA.  DNA replication is semiconservative process which means that each strand in the double helix helps in the synthesis of new, complementary strand and conserve the parent template.

The Molecular mechanism of DNA replication is as following:

  1. The double starnded DN in binded with hydrogen bond, the enzyme helicase opens up the DNA at the replication fork.
  2. A single stranded binding protein prevent the rewinding of DNA and so binds to the DNA around the replication fork
  3. Topoisomerase prevent supercoiling at replication fork.
  4. The ezymes primase come in action and produces RNA primers which are complementary to the DNA strand.
  5. DNA polymerase III help to extends the primers and allow them to add  to the 3' end, to make new DNA.
  6. DNA Polymerase then remove RNA primers and replace with DNA.
  7. DNA ligase blocks the the gaps between DNA fragments.

So, this is the molecuar mechanism of DNA replication.

7 0
2 years ago
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