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disa [49]
2 years ago
14

A student is looking through a microscope at some cells of an onion root tip. Many of these cells are undergoing division since

the root tip grows quickly and requires more cell which cell most recently underwent metaphase
Biology
1 answer:
VikaD [51]2 years ago
6 0
You need to understand mitosis to understand this question.
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When a gummy bear shrinks, is that considered hypertonic or hypotonic?
raketka [301]

Answer:

Hypertonic

Explanation:

In hyper-tonic solutions, the cell will shrink and crenate. The mass and volume of a gummy bear that is placed in a salt solution will decrease due to the effect of osmosis. When placed in water, a hypo-tonic solution, the gummy bear will expand in size and volume due to the water entering it.

3 0
3 years ago
12 If pressure is applied to a rock until its volume is
mote1985 [20]

Answer: The correct answer to the question is option 2

If pressure is applied to a rock until it's volume is reduced by one half how the new density compares to it's original density is ; THE NEW DENSITY IS TWICE IT'S ORIGINAL DENSITY.

Explanation: Density is defined as mass divided by volume,density increases with pressure and it's determined by spaces between atoms in the object being measured.

Density is directly proportional to Pressure,so when pressure increases, Density increases and when pressure decreases,density decreases.

Density is indirectly or inversely proportional to temperature. so when pressure and density increases, temperature remains constant.

This is applicable to the scenerio with the rock in the question,as the pressure on the rock is increasing,the density is increasing too.

7 0
3 years ago
Read 2 more answers
Question 6<br> Which kingdoms have some organisms that can make their own food (autotrophic)?
Katena32 [7]

Answer:

Prokaryotae, Protoctista, Plantae

Explanation:

8 0
3 years ago
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In a science class students water a plant with the same amount of water each day for 28 consecutive days if the students use a t
Phantasy [73]

Answer:

The correct answer would be 0.85 liters.

It can be explained with the help of unit rate that is, when the rate is expressed as the quantity of 1 for example, 5 meter per second, 5 liters per day et cetera.

In this case, unit rate (liter per day) can be calculated by dividing the total amount of water used by total number of days.

Amount of water used in 28 days = 23.8 liters

The amount of water used in one day = \frac{23.8}{28}

It comes out to be 0.85 liters per day or 850 milliliter per day.

4 0
2 years ago
Read 2 more answers
Which step in PCR (polymerase chain reaction) is responsible for opening and unwinding the DNA strand to be analyzed?
Fofino [41]
Denaturing. This step occurs at around 95C. This causes the double strand Helix to spectate
6 0
3 years ago
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