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LiRa [457]
4 years ago
6

The idea that the basic unit of life is the cell is called the _____.

Biology
2 answers:
Artist 52 [7]4 years ago
5 0


The correct answer is cell theory.

It states that :

1. All living organisms are made of cells.

2. The cell is the basic unit of life

3. Cells arise from pre - existing cells.

The modern version of cell theory adds the following:

4. Energy flow occurs within cells.

5. Hereditary information, namely DNA, is passed from cell to cell.

6. All cells have the same basic chemical composition.

The cell theory was proposed by three  German scientists called Theodore Schwan, Rudolf Virchow and Mathias Schleiden.

lawyer [7]4 years ago
5 0

Answer: B.) cell theory

Explanation:

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Nadusha1986 [10]

Answer:

A) actin and myosin  is a correct answer.

Explanation:

  • Myofibrils are the contractile fiber and they are made of actin and myosin.
  • Myofibrils are made of thick myofilaments and thin myofilaments.
  • Thick myofilaments are made up of myosin whereas thin     myofilaments are composed of actin.
  • The functional unit of muscle is Myofibrils and contraction of muscle occurs due to myofibril, when the filaments actin and myosin interact with each other.

Thus Myofibrils are made primarily of (A) actin and myosin.

5 0
3 years ago
What is an accurate description of the structure and function of cellulose in cells?
sp2606 [1]

Cellulose is the primary structural component responsible for much of the mechanical strength of the cell wall.

The structure of cellulose consists of long polymer chains of glucose units connected by a beta acetal linkage

7 0
2 years ago
Select the correct answer from each drop-down menu.
asambeis [7]

Here is the complete statement:

The black footed ferret specie can be saved by the ENDANGERED SPECIES ACT. The US FISH AND WILDLIFE SERVICES will manage the Act.

EXPLANATION:

An endangered specie refers to an animal or plant species, whose population has become very low and is in danger of becoming extinct in the nearest future. In the United States of America, such plants and animals are usually managed by the Us Fish and Wildlife services. This is a federal agency that is responsible for the management of different forms of wildlife, fish and natural habitats within the US.

The Endangered Specie Act is a US law that makes provisions for the management of both plants and species, which are deem to be on the verge of becoming extinct. The law makes provisions for the conservation of endangered living organisms and their natural habitats. The endangered specie Act prohibits the hunting or killing of endangered species; acting contrary to this law usually carry severe penalties.

3 0
3 years ago
. Corn has small, colorless, odorless, lightweight flowers without petals. What is the significance of these flowers in the poll
ipn [44]
<span>For the answer to the question above, flowers of corn are pollinated by the wind. They are small and lightweight to allow easy pollination by the wind. They do not need to attract animals or insects and are therefore colorless and odorless.</span>
6 0
4 years ago
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Food couldn't reach the stomach without the blank and the blank
Inessa05 [86]

<u>Answer:</u>

Food could not reach the stomach without the "esophagus and the throat".

<u>Explanation:</u>

Esophagus is like an elastic pipe, about 25 cm in length. It passes food from the throat back towards the stomach. There's the trachea at the back of the mouth which enables air to come in and out of the body. Once food in the form of a small ball of mushed-up food or liquids is ingested, the epiglottis slips down the opening of the windpipe to ensure that the food reaches the esophagus and not the windpipe.

5 0
3 years ago
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