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3 years ago

How are all living cells organized?

2 answers:

8 0

Answer:The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

Explanation:Cells are divided into several compartments, each with a characteristic structure, biochemical composition, and function.

These compartments are called organelles. They are delimited by membranes composed of phospholipid bilayers and a number of proteins specialized for each type of organelle.

All eukaryotic cells have a nucleus surrounded by a nuclear envelope, and a plasma membrane that borders the whole cell.

Most eukaryotic cells also have endoplasmic reticulum, a Golgi apparatus, lysosomes, mitochondria, and peroxisomes.

seropon [69]3 years ago

6 0

Answer:

<h2>Taxonomy </h2>

Explanation:

The cell is the most basic unit of life. Similar cells together form tissues. Similar tissues together form organs. Organs work together in organ systems. Organ systems form complex organisms. Because living things are diverse, taxonomy was created to group organisms into categories and to understand their evolutionary relationships.

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he most common source of osteomyelitis is an infection that migrates via the bloodstream. direct invasion from a fracture. surgi

Gennadij [26K]

The correct answer is A. An infection that migrates via the bloodstream

Explanation:

Osteomyelitis is a serious condition, in which an infection develops in bones. This causes symptoms such as pain, inflammation, and can lead to the spread of the infection to other tissues or bone necrosis if it is not treated. In terms of causes, this condition develops when the bone is exposed to bacteria or similar that causes the infection, this can occur during surgeries or fractures. However, the most common source of infection is via bloodstream this means the bacteria or germ is in the blood and it enters the bone through the bloodstream. Also, once the bacteria or germ is in the bone it causes the infection.

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3 years ago

In which situation are you likely to find a trait with only one allele?

Reika [66]

If the expression of a trait requires only one copy of a gene (one allele), that trait is considered dominant. If the expression of a trait requires 2 copies of a gene (2 alleles), that trait is considered recessive. One exception is X-linked disorders.

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2 years ago

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yanalaym [24]

Answer: B. It protects the inner organs

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3 years ago

What is the purpose of MITOSIS?

Mumz [18]

Answer:

Explanation:

A: to create sex cells of reproduction.

This is the purpose of meiosis: a cell division process. It creates gametes, or sperm and eggs.

B. to provide the cells with food

This would be eating for animals, or photosynthesis for plants. When animals eat, it provides their cells with food. When plants photosynthesize, they create their own food in the form of glucose.

C. To give the cell energy

This would be cellular respiration. It turns food and glucose into usable energy called ATP.

This is the correct choice. Mitosis is cell division, which means it creates new cells. This allows organisms to grow and repair.

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The tusks of the elephant would probably be the structure not present in early elephants. It is only through evolution that these tusks grew. Some scientists have hypothesized that these tusks develop from the elephants' incisors.

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