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mariarad [96]
3 years ago
13

Witch statment best compares and contrast two physical properties of matter

Biology
1 answer:
marta [7]3 years ago
4 0
What are the statement choices?
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What does the first word in the two-word scientific name of a species represent?
qwelly [4]

The first word specifies the genus of the species.

3 0
3 years ago
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Compare and contrast the mechanisms of getting material across the plasma membranes of cells. Tells me what the mechanisms are i
stepladder [879]

Answer:

Materials get transported from the cell by some mechanisms such as Active Transport, Passive Transport, Diffusion, etc.

Explanation:

Active Transport :

It is a process by which, materials are transported from the extracellular membrane to the intracellular membrane with the help of ATP. It has a few types :  

Primary Active Transport :  

This system is standing upon the sodium-potassium pump. It moves out   Na⁺ from the cell and allows the entry of K⁺ into the cell. In this process ATP is a source of energy. E.g, Sodium-potassium pump.

Secondary Active Transport :

It is mainly standing upon Primary Active Transport. In this process, the main key point is the concentration gradient. There is already a concentration gradient set up by the primary active transport. This system uses that up and moves other substances against their own gradient concentration. E.g, assuming, there is a high concentration of sodium outside the cell,  if a route such as a channel or a carrier protein is open then sodium ions will move into the cell.  In this transport system, some cotransporters are used who move in the sodium ion into the sodium gradient.  

Passive transport :

It is a process by which, substances cross the plasma membrane without acquiring any energy from the cell. Here, no energy is needed because the substances are moving from higher concentration to its lower concentration. E.g, cell membrane or plasma membrane works as a permeable or semipermeable membrane.  

Diffusion :

It is the movement of a substance across a membrane, due to the concentration gradient, without any help from other molecules. E.g, movement of the gaseous molecule from cell to cell.

8 0
3 years ago
What are the four main types of carbon based molecules.
yan [13]

Answer:

Lipids, proteins, nucleic acids, and carbohydrates.

Explanation:

These carbon-based molecules make up all organisms and living things. These 4 molecules are the four major types of carbon based molecules

5 0
3 years ago
Which biome would contain the most trees?<br><br> tundra<br> grassland<br> desert<br> taiga
Mazyrski [523]

Answer:

The answer is D. Taiga

Explanation:

The taiga biome is also recognized as a coniferous jungle or boreal jungle.

Often times these biomes are extremely wooded with cone-bearing needle-leaved or scale-leaved evergreen trees.

6 0
3 years ago
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in Freudian theory, which one of the following is example of an eros instinct, which includes survival, social cooperation, and
S_A_V [24]

in Freudian theory, reproduction is an example of an eros instinct.

<h3>What is Eros for Freud?</h3>

In Freudian psychology, eros, not to be confused with libido, is not exclusively sexual desire, but our vital force, the will to live. It is the desire to create life and favors productivity and construction. In early psychoanalytic writings, eros instincts were opposed by ego forces.

With this information, we can conclude that in Freudian theory, reproduction is an example of an eros instinct.

Learn more about eros instinct in brainly.com/question/27586288

#SPJ1

3 0
2 years ago
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