BIOLOGY HIGH SCHOOL

This illustration drawn by a scientist is based on observations of a cell under a microscope. Which statement best describes the telophase of mitosis? a. In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei.
b. In this stage, the sister chromatids pull apart and migrate toward opposite ends of the cell.
c. In this stage, the pairs of sister chromatids attach to the spindle fiber.
d. In this stage, the membrane breaks down, freeing the chromosomes.

Answers

Answer 1
Answer: A.In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei 
Hope I helped ;)

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Why are all cells very small?

Answers

Answer:

Cells are small because they need to keep a surface area to volume ratio that allows for adequate intake of nutrients while being able to excrete the cells waste. That is why the cell needs to be small. The smaller it is, the larger the surface area to volume ratio is. ... This is why cells are so small.

explicación:

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. ... That is why cells are so small.

Cells are small to have a high surface-to-volume ratio and efficient exchange of materials with their environment.

All cells are very small because they need to have a high surface-to-volume ratio. The surface area of a cell determines the amount of substances that can enter or leave the cell, while the volume of the cell determines the amount of metabolic activity that can occur. By being small, cells can efficiently exchange materials with their environment and carry out essential functions.



For example, red blood cells are small to pass through the narrowest capillaries and transport oxygen to different parts of the body. Bacteria are also small to facilitate their nutrientuptake and waste removal.



Furthermore, the small size of cells allows them to have a faster rate of diffusion, which is important for the exchange of gases, nutrients, and waste products across the cell membrane.

Learn more about Cell Size here:

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Earth can be divided into three zones based on differences and incoming solar radiation identify these zones describe their location and general climate also discuss how the sun's energy strikes each zone.

Answers

Tropical zone: the tropical zone is located around the equator of the Earth. It is very hot and humid receiving plenty of rain and thunderstorms. They receive more of the sun's energy that any other of Earth's zones, making it the hottest.
Temperate zone: the North Temperate Zone is located between the Arctic Circle and the Tropic of Cancer, the South Temperate Zone is located between the Antarctic Circle and the Tropic of Capricorn. Temperate zones usually have their four seasons which vary greatly, but are never freezing cold or burning hot. It receives less of the sun's energy than the tropical zone, but more that the polar zones.
Polar zone: the polar zones are located at Earth's poles. They have below freezing temperatures, and are home to snowstorms. They receive the least amount of the sun's energy out of the zones, therefore are the coldest.
From that description we have the three climate zones of the earth,

The Polar which receives little-to-none sunlight energy which caused these areas to be extremely cold.

The Temperate areas are those with moderate temperatures where they experience both the ample hotness and coldness in temperature

The Tropical areas are those that are extremely radiated and shunned by the sunlight energy, with temperatures over 30 C and above.

Which metal works best to displace hydrogens from acid? A. Mercury
B. Lead
C. Gold
D. Iron

Answers

The correct answer is Iron. That is because it's higher than hydrogen in the reactivity series, and all other that are there can do it too. This includes things like things like Zinc too. Things that are positioned lower can't do this, which includes the ones you mentioned and others.

the correct answer is D

How to speed up your metabolism

Answers

Drink coffee or tea. Eat enough.Fight fat with fiber.Eat more organic food

Which is more acidic pH2, pH4 or pH6?

Answers

PH2 is more acidic than PH4 or PH6 which are more towards neutral yet still acidic.

In the fall some farmers plow the remains of corn plants into the ground. this activity contributes most directly to the?1.increase in the biodiversity of there fields
2.depletion of nonrenewable resources
3.destruction of natural habitats
4. recycling of organic matter

Answers

The right answer for the question that is being asked and shown above is that: "1.increase in the biodiversity of there fields" In the fall some farmers plow the remains of corn plants into the ground. this activity contributes most directly to the 1.increase in the biodiversity of there fields

the answer is 1.  This is because when the remains are plowed into the ground, it helps the feild become more diverse in the use of crops.
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