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3 years ago

True or False and Archimedes screw was initially used to move people. Pls hurry

Biology

2 answers:

valentina_108 [34]3 years ago

6 0

Answer:

False

Explanation:

TEA [102]3 years ago

4 0

Answer: False.

Explanation: The Archimedes screw was initially used for removing water from the hold of a large ship, not for moving people.

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The cytoplasm within the cell body is called the ____________ , although some anatomists use that term to describe the whole cel

Mashutka [201]

The cytoplasm within the cell body is called the perikaryon , although some anatomists use that term to describe the whole cell body.

The nucleus accommodates a prominent nucleolus , where ribosomes are formed.

Free and bound ribosomes are known as Nissl bodies or chromatophilic subtance

Short, small processes that branch off the cell body are Dendrites 

The Axon is sometimes called a nerve fiber.

It is typically a longer process emanating from the cell body to make contact with other neurons, muscle cells, or gland cells.

The cytoplasm within an axon is called axoplasm, and the plasma membrane of an axon is called an axolemma.

Explanation:

The soma, perikaryon , neurocyton, or cell body is the bulbous, non-process portion of a neuron or other brain cell type, containing the cell nucleus.
Perikaryon produce compounds necessary for neuron. Transport compounds to axon and dendrites.
The nucleolus makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. It then sends the subunits out to the rest of the cell where they combine into complete ribosomes. Ribosomes make proteins; therefore, the nucleolus plays a vital role in making proteins in the cell
Chromatophilic substance is a prominently staining substance found in the cytoplasm of motor neurons
An axon, or nerve fiber, is a long slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body or soma. Axons are in effect the primary transmission lines of the nervous system, and as bundles they help make up nerves.
Dendrites are the segments of the neuron that receive stimulation in order for the cell to become active. They conduct electrical messages to the neuron cell body for the cell to function.
Axoplasm is the cytoplasm within the axon of a neuron (nerve cell).The axolemma is the cell membrane of an axon.

8 0

4 years ago

1.Changes to a substance that do not involve a permanent reordering of atoms are know as

Orlov [11]

1. Changes to a substance that do not involve a permanent reordering of atoms are know as a physical change.

2. Changes that reorder atoms to form new molecules, such as the reaction between sodium and chlorine ions to form sodium chloride, are known as chemical change.

3. What does the release or absorption of energy indicate? A chemical change

4. Which of these is an example of a chemical change? firework exploding

5. Which of the following changes can alter the form of a substance but does not necessarily change it to an other substance? all of the above

6. Chemical compounds undergo both physical and chemical changes. Which of the following is an example of a chemical change? salt (NaCl) being dissolved into water

7. In physical science lab, Kim and Dawn added small pieces of magnesium to hydrochloric acid. They observed that bubbles formed, the test tube got hot, and the magnesium disappeared. What is a sign that a chemical reaction has taken place in this experiment? gas is produced

8. .If two poisonous elements are combined chemically, which of the following will be true of the resulting compound? The compound may or may not be poisonous, depending on the chemical properties of the new substance.

9. What type of change is described in the paragraph above? How do you know? This is a physical change, because the two substances were separated physically by boiling.

10. What conclusion should Max draw from his observations? The tablet that was placed in the water changed directly into a gas through a physical change.

11. Which of these is true of a chemical reaction? Energy is either released or absorbed.

12. What should you do to complete this task? To determine the substances, we will compare the physical and chemical properties of the two substances and perform tests to check if they are reacting the same way in the tests performed. If they react the same way, they are same.

13. Which of these is a chemical property of a substance? flammability

14. Atoms in the same _______ of the periodic share the same chemical properties. group (row)

15. Which of the following are physical properties? Check all that apply. conductivity, melting point, malleability, density and solubility

16. Which of the following represent chemical properties? Check all that apply. oxidation, combustibility , oxidation

17. What characteristic of an atom determines its properties? The atomic number of neutrons

6 0

3 years ago

Read 2 more answers

1. Which of the following would be an example of primary succession?

ioda

D excess nutrients In the water

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3 years ago

Polysaccharides that are found in bacteria

attashe74 [19]

(っ◕‿◕)っ Hey There!

In bacteria, they play an important role in bacterial multicellularity. Cellulose and chitin are examples of structural polysaccharides. Cellulose is used in the cell walls of plants and other organisms, and is said to be the most abundant organic molecule on Earth.

✧☺ Hope this Helps ✧☺

5 0

3 years ago

Use of illicit substances such as prescription pain killers very commonly starts in adolescence.

zysi [14]

True ....................

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3 years ago