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lys-0071 [83]
3 years ago
6

Name the molecule that makes up chromosomes

Biology
2 answers:
fiasKO [112]3 years ago
7 0
The correct answer is DNA. 

Each chromosome is made up of DNA tightly coiled many times around proteins<span> that support its structure :)</span>
Oksana_A [137]3 years ago
3 0
<h2>ANSWER:</h2>

         A chromosome is composed  of DNA

<h2>EXPLANATION:</h2>

In the nucleus of every cell, the DNA molecule is packaged within thread-like formations known as chromosomes. Each chromosome is composed up of DNA tightly looped many times around proteins termed histones that maintain its structure

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After collecting samples of the material found growing on last month's leftovers at the back of your fridge, you realize that yo
skad [1K]

The correct answer is eukaryotic cells.

Microscopic subunits within the cell represent the organelles found only in complex eukaryotic cell. The communication between those organelles via signal molecules are also a good example of the functioning of eukaryotic cell.

Eukaryotic cell is a cell that contains a nucleus and organelles, and is enclosed by a plasma membrane.


5 0
3 years ago
What cellular structures can be observed with the aid of light microscopy and electron microscopy?​
Serjik [45]

With a light microscope one can view the nucleus and endoplasmic reticulum, large vacuoles etc

The resolution of a light microscope is dependent on the wavelength of light that is the main beam of illumination. Light has approximately 0.4 um (UV)- 0.7um (Infrared) wavelength. Organelles smaller than about 0.5 um will be difficult to discern with a light microscope.

With an electron microscope one can view, in addition, even the ribosomes and mitochondria, chromosomes, tubules etc.

An electron microscope can discern very minute details of a cell. This is because its resolution is dependent on the very small wavelength of a beam of electrons which is approximately 0.002 um (about 10,000 times powerful than a light microscope)

8 0
3 years ago
The recommendation and use of drugs based on the testing of animals is always reliable. True OR False
aleksklad [387]
False. It's not always reliable. For example, in lab mice, saccharin has caused tumors. But for humans to get cancer from saccharin, we would have to take in astronomical levels of saccharin, which we, as humans, don't do.
6 0
3 years ago
Two different kinds of appendages may be found on eukaryotic cells that enable them to move. ________ are long slender locomotor
OlgaM077 [116]

Answer:

flagella and cillia

Explanation:

Two different kinds of appendages may be found on eukaryotic cells that enable them to move. Flagella are long slender locomotor appendages that are usually single and few in number, whereas cillia are appendages which are numerous and short.

Hope this was helpful

5 0
3 years ago
Question 5
artcher [175]
The body organs would stop functioning properly.

3 0
3 years ago
Read 2 more answers
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