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2 years ago

Mutations in which of the following cells would get passed on to the next generation?

Biology

1 answer:

creativ13 [48]2 years ago

7 0

Answer:

C. I and III

Explanation:

A mutation needs to occur in a gamete cell in order to be passed down to the next generation.

If it occurs in a somatic (body) cell, the mutation will only be present in that organism.

On the other hand, in a gamete cell, the mutation will pass down because gamete cells are directly involved in the genetic makeup of the offspring.

So, since sperm and egg cells are gametes, mutations in those cells would get passed on.

The correct answer is C. I and III

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4. The poem "Ithaka" says that cyclops is one of the things you won't encounter unless____

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Unless you bring them into your soul. Or your soul puts them in front of you.

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3 years ago

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What is the type of nitrogen that plants and animals cannot use without it being converted to a different form?

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The nitrogen is captured and converted into a form that is usable by plants in a process called

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3 years ago

Helppp meeeee Please!!!!!!!!

stich3 [128]

Answer:

I think it's C, but I could be wrong. So DON'T hold me accountable for it lol.

Explanation:

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1 year ago

Why can't both strands of DNA be replicated at the same time?

saw5 [17]

Answer: DNA is a molecule made up of two strands, twisted around each other in a double helix shape. The two strands are complementary which have a 5 prime end and a 3 prime end. To understand this question you must first understand the steps that follow.

DNA Replication:

Step one: 

DNA Helicase (unzips) separates the strands.

Step two:

DNA Primase starts the process and makes a small piece of RNA called a primer. This marks the starting point for the DNA.

Step three:

DNA Polymerase binds to the primer and will make the new strand of DNA. DNA Polymerase can only add DNA bases in one direction, from the 5 prime end to the 3 prime end.

The leading strand is made continuously.
The lagging strand does not run continuously because it runs in the opposite direction. Each fragment is started with an RNA primer. DNA Polymerase then adds a short row of DNA bases from the 5 prime to 3 prime direction. This results in okazaki fragments because it can only replicate in small chunks. The process is repeated.

Step four:

Once the new DNA is complete the enzyme exonuclease removes all the RNA primers from both strands of DNA.

Step five:

Another DNA Polymerase fills in the gaps that are left behind with DNA.

Step six:

DNA Ligase seals up the fragments in DNA, in both strands to make a continuous double strand.

Final answer:

DNA Replication cannot replicate at the same time due to the leading and lagging strand.

Good luck!

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3 years ago

Amoeba proteus is a species of amoeba that gets its energy by engulfing small, unicellular organisms with its membrane. It then

Natalka [10]

Answer:

The correct answer is D.

Explanation:

The Amoeba Proteus example given in the question describing its engulfing smallar organism and digesting them is an example of a proces named "Phagocytosis". These cells are called phagocytes and the process can be used for both feeding purposes or defensive purposes by various cells. I hope this answer helps.

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2 years ago

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