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frutty [35]
3 years ago
5

What type of microscope is used to achieve three-dimensional views of very small objects such as DNA and viruses? A. Compound mi

croscope B. Electron microscope C. Filtered microscope D. Single lens microscope
Biology
1 answer:
avanturin [10]3 years ago
5 0
Your answer will probably be A compound microscope speaking how compounds are pretty small.
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6. Vinegar is a weak acid. The most likely pH for a sample of vinegar is a. 1.5. b. 5.5. C 8.5.​
levacccp [35]

Answer:

a.) 1.5 pH

Explanation:

6 0
2 years ago
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What is the function of these organelles? endoplasmic reticulum: Golgi body: mitochondrion: ribosome:
liraira [26]

Answer:

Endoplasmic Reticulum: help form and store proteins.

Golgi Body: sorting and processing proteins.

Mitochondria: converts food (or protein) into energy.

Ribosome: synthesize proteins for use throughout the cell.

Hope this helps

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7 0
3 years ago
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Describe the relationship between organic compounds, nucleotides, RNA, and a universal genetic code.
makkiz [27]

Answer:

Organic compounds→ nucleotides→ RNA→ universal code.

Organic compounds are the compounds made by living organisms with at least one molecule of carbon linked to different elements like hydrogen, oxygen, or nitrogen.for example: nucleotides.

A nucleotide is the monomer units of nucleic acids- DNA and RNA. Each nucleotide is made up of organic compounds- sugar, a phosphate molecule and nitrogenous bases (adenine, guanine, cytosine, thymine and uracil).  

The arrangement of nitrogenous bases in DNA decides the fate of proteins as the sequence of these bases acts as code arranged in the triplet called "codons" which code for specific amino acids.

Thus, Organic compounds→ nucleotides→ RNA→ universal code is the correct answer.

3 0
3 years ago
What are the chromosomes called when they look like Xs​
Marina86 [1]

Answer:

I think you're referring to the Metaphase...

Explanation:

During Cell Division (or, rather before!) the DNA needs to be replicated. This normally is done by DNA Polymerase, and results in two identical double strands (the "Sister Chromatids".

These chromatids are held together at the Centromere, which will be the heart of the "X"-shape. After that the DNA is packed into Chromosomes by winding it around proteins called Histones. If I remember correctly there are 5 different Histones.

This "Zipping Up" makes the chromosomes more visible.

As the two sister chromatids are still connected, the result is the X-shaped Metaphase Chromosome....

6 0
3 years ago
Read the passage. then answer the questions that follow.
Neko [114]

Answer:

B. Asexual reproduction involves one parent, and sexual reproduction involves two.

6 0
2 years ago
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