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mixer [17]
3 years ago
6

The distribution of melanosomes in cells is tightly regulated in animals that rapidly change color. Dark-colored cells have mela

nosomes scattered throughout the cytoplasm while light-colored cells have them aggregated near the nucleus. How could cells use microtubules and motor proteins to change the distribution of melanosomes
1. The melanosomes move along microtubule tracks using motor proteins.2. Kinesin would be responsible for moving melanosomes outward to generate dark-colored cells.3. Dynein would be used for moving melanosomes back to the nucleus in light-colored cells.4. Microtubules originate near the nucleus of animal cells, and the positive ends project outward.
Biology
1 answer:
marishachu [46]3 years ago
6 0

Answer: 4, 3, 2, 1

Explanation:

Microtubules originate near the nucleus of animal cells, and the positive ends project outward.

Dynein would be used for moving melanosomes back to the nucleus in light-colored cells.

Kinesin would be responsible for moving melanosomes outward to generate dark-colored cells.

The melanosomes move along microtubule tracks using motor proteins.

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Which of the following is a function of a vacuole
marin [14]

Vacuole being cellular organelle found in cells serves few important functions for the cells. It's usually the biggest cell organ within the cell. Its main function is the store nutrients and waste materials. It additionally functions to take care of the correct pressure inside the plant cells to provide structure and support for the growing plant.

Further Explanation:

The bubble-like structures present in a cell is known as the vacuoles. These vacuoles may store food or any kind of nutrients that a cell may require to survive, not solely this but vacuoles will even store waste product, so that the rest of the cell is protected against contamination. Vacuoles are membrane(tonoplast) bound sacs that are present within the protoplasm of the cell. There are many functions of vacuoles. the inner fluid within the cavity is understood as the cell sap. In mature plant cells, the vacuoles are of a bigger size and provide structural support to the cells. The vacuoles additionally perform as the storage organ, waste disposal organ, protection organ and for growth. Some vacuoles store toxic substances and waste materials that taste Bitter to the insects. The ability to regulate the turgor pressure in a plant cell is the important characteristic function of the central vacuole. Turgor pressure determines the rigidity of the cell.  

The above-named functions are the few functions of the vacuole.

Learn more:

1. Learn more about cells brainly.com/question/1579016

2. Learn more about eukaryotic cells brainly.com/question/4493579

3. Learn more about cellular respiration brainly.com/question/543244

Answer Details:

Grade: Middle School

Subject: Biology

Chapter: Cellular Structures

Keywords:

Vacuoles, plant cells, organelle, membrane bound organelles, tonoplast, cell sap, turgor pressure, rigidity, cytoplasm, pigments, proteins, nutrients.

3 0
3 years ago
How can color blindness be treated
JulijaS [17]

There is currently no treatment for inherited colour blindness. Colour filters or contact lenses can be used in some situations to enhance the brightness between some colours and these are occasionally used in the workplace, but many colour blind people find these actually confuse them further rather than help.


4 0
3 years ago
What did darwin research? what did he conclude?
ioda

Answer:

The diversity of species

Explanation:

Darwin investigated the diversity of species by observing the physical differences between them. He concluded that all the species came from the same ancestor in common. And that the evolution is given by natural selection (or adaptation to the environment). Only specimens more adapted to the environment could survive, reproduce and pass their genetic traits to their offspring.

For example, the long neck of the giraffes is due to the fact that only the highest ones reached the leaves of the trees for food and with that they managed to survive.

8 0
3 years ago
Scientific Method
Dmitry [639]

For your answer, I am sure your blank is "analyze". This is because you must analyze or "look over" your data that has been collected.

3 0
3 years ago
What happens to a current-carrying wire in a magnetic field if the current is reversed?
murzikaleks [220]

Answer

If the current is reversed the current-carrying wire in a magnetic field the direction of the magnetic field and of the wire are reversed too.

Explanation

This effect is properly described if we observe the right-hand rule. The current follows the direction where the thumb points, where as the magnetic field direction is indicated by where the fingers will be pointing. When the direction of current is changed, that of the field is also altered.



6 0
3 years ago
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