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Mkey [24]
3 years ago
9

Which organelles are called endosymbionts and why

Biology
1 answer:
Ganezh [65]3 years ago
6 0
Two major types of organelle in eukaryotic cells, mitochondriaand plastids such aschloroplasts, originated as bacterial endosymbionts.
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The table shows the relative size of the genomes (total DNA in the nucleus), number of genes, and number of chromosomes for a va
9966 [12]
You don't show the table...but you should see that the more complex an organism, the more chromosomes and the more genes it has.

A bacteria has a small genome. perhaps it has about 5000 genes. it also has 1 chromosome.

Yeast are more complicated than bacteria. Saccharomyces cerevisiae (the yeast that makes beer, wine and bread, has about 6300 genes and 16 chromosomes.

A human has 46 chromosomes (23 pairs), and has likely around 20,000 genes.
6 0
3 years ago
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Cells are the basic units of life in living organisms. Which of the following components make up cells? A. atoms and molecules B
Liono4ka [1.6K]

Answer:

Cells are the basic units of life in living organisms. Which of the following components make up cells?

Atoms and molecules

Explanation:

All cells are made up of organelles and the smallest part of it makes it an atom while formation of two or more atom makes up a molecule. Every living cell compose of both atom and molecule

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3 years ago
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How long is a rat's large intestine and small intestine in cm? and why is one bigger than the other?
Nitella [24]

Answer;

The large intestine is much wider than the small intestine, but it is also much shorter. The small intestine is the longest part of the digestive system.


Explanation;

The small intestine is a muscular tube with three parts; the duodenum breaks down the food, the jejunum and the ileum absorb nutrients and send them into the bloodstream.

The reason why the small intestine is longer than the large intestine and any other part of the digestive system is to ensure maximum and complete absorption of nutrients to the blood stream.

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3 years ago
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How is the heart of a crocodile differnt then a turtles?
cluponka [151]
In turtles, the heart has two atria and a single ventricle partially divided by a wall of tissue called a septum

In crocodiles, there are two atria and two separate ventricle
4 0
3 years ago
Ridges of tissue on the surface of the cerebral hemispheres are called ________.
andrey2020 [161]
Gyri form the top of the ridges, while sulci form the " valley" of the ridges.
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