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maxonik [38]
3 years ago
11

Letter D is the part of the cell that makes proteins. What is letter D? A) ribosomes B) chromosomes C) chloroplast

Biology
2 answers:
kvasek [131]3 years ago
5 0
The correct answer is option a). Ribsomes.
baherus [9]3 years ago
5 0

the answer is A.RIBOSOMES

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I need help with 4 & 5 ASAP please
vichka [17]
One option is that the samples run through gel electrophoresis is too small to be recognized (shorter strands of DNA travel further through the gel and larger strands travel shorter). The other option in that the restriction enzyme did not cut the DNA in the proper spot or there was a mutation in the bases that allowed for a mistake in the cutting; that is why there are 800 base pairs in one sample (that's a lot) An example of a mutation is that lets say the restriction enzyme was supposed to cut at the second G in GGACC. But if that G was turned into an A, then the restriction enzyme wouldn't cut there.

For number 5, you might have 800 because of the restriction enzyme cutting it wrong, a mutation that allowed for the cutting to not take place, or a fault in the sample taking.

I am an AP Biology student right now in Wisconsin. I just finished that worksheet this morning :) anymore questions just hit me up
4 0
3 years ago
Describe the genetic mutations that you think occurred in the cancer cells that were responsible for the phenotypic differences
ruslelena [56]

ANSWER:

Most types of cancer are believed to begin with a random genetic mutation. This is followed by mutations, which endow the cancer cells with properties allowing them to grow without normal controls to become a tumor.

Mutation is any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment.

Genetic Mutations that lead to cancer cell formation can occur in two forms:

1. GROWTH-PROMOTING GENES are commonly mutated in cancer cells, becoming SUPER-ACTIVE and producing cells that are too strongly stimulated by growth receptors.

2. Mutations can INACTIVATE the genes that suppress cell proliferation or those that signal the need for apoptosis. These genes are known as TUMOR SUPPRESSOR GENES.

5 0
3 years ago
Is paramecium a unicellular or multicellular organism
Ksivusya [100]
<h2>Answer:</h2>

Paramecium is the single celled organism (unicellular).

<h3>Explanation:</h3>
  • An organism which contain only one cell is known as unicellular organism.
  • Paramecium is the unicellular parasite. It can move and digest food.
  • In its structure there are food vacuoles for the digestion of food.
  • Paramecium is the eukaryotic organism because it has a well organised cell with distinct nuclear membrane.
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3 years ago
A scientist wants to determine how water temperature affects the development of fish eggs.
FromTheMoon [43]
I’m srry Ik I’m not helping but how do you ask questions yo the public ?
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2 years ago
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Suppose you cross a true-breeding blue flower with a true-breeding
ludmilkaskok [199]

Answer:

The blue allele is dominant to the yellow allele.

Explanation:

The blue allele is dominant to the yellow allele, because there is more of the blue allele than the yellow allele.

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2 years ago
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