08/27/19

cells, cell life and extending cell life.
hello,I have always been curious about different ways in which we can extend the life of a cell. let's say we found a way to make the telomere of a cell longer. that means we can extend the life of... more
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08/27/19

what is 438904 mm in scientific notations
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08/27/19

A piece of metal with a mass of 150. g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 42 mL. What is the density of the metal?
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08/27/19

You are to give ampicillin, with a recommended dose of 45 mg/kg , to a child with a mass of 28 kg . If stock on hand is 250 mg/capsule, how many capsules should be given?
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08/27/19

A syrup is added to an empty container with a mass of 115.25 g. When 0.120 pt of syrup is added, the total mass of the container and syrup is 182.48 g. What is the density?
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08/27/19

Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 4.07 kg .
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08/27/19

How many milliliters of gasoline have a mass of 4.7 kg (D=0.74g/mL)?
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08/27/19

What is the best way to go about solving chemistry problems?
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08/25/19

Tim is 4 yrs older than bob. If the sum of their ages is 96 how old is bob?
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08/25/19

Female Gametophytes
Why an anthophyte's female gametophyte produces so many nuclei when only 2 are involved in fertilization?
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08/25/19

chemistry question

The density of water at 0.997770 g/mL. What is the true mass of 25.00 mL of water at 22 degrees celsius?
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08/24/19

How does gravity keep the oceans, lakes etc.. contained?
If gravity is able to keep the weight of the oceans contained how does that very same gravity not crush us, crush buildings, trees and so on? How is it able to distinguish between water and other... more
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08/23/19

The cell theory states A)all cells have cell walls B)all cells need energy C)all cells come from other cells D)none of these
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08/22/19

the length of a rectangle is twice the width. If the perimeter is 96 cm, find the length of the rectangle
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08/22/19

True or False- only living things are made of matter

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08/20/19

Physics question
If a car's velocity speed changes from 30 m/s to 60 m/s, how does this affect the Kinetic Energy.
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08/20/19

What is the equation of a horizontal line that passes through point (3, 11)?
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08/20/19

Passing through (1,-3) with x-intercept =-1
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08/18/19

What atomic nuclei are able to be used with NMR?
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08/17/19

How many neutrons are in Lithium?
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08/16/19

Give the following reaction N2 (g) + 3H2 (g) = 2NH3 (g) , how many liters of H2 are required to produce 47 moles of NH3
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08/12/19

In a classroom there are 32 students, 14 are male, what percentage of the class is female
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08/10/19

What is the original name of the staircase on the Periodic Table?

I used to learn in school that there was a specific name to describe the staircase which included part of a scientist name and 'step'. But for some reason, I can't seem to find it anymore like it... more
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08/09/19

biology chemistry
The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact... more
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08/08/19

What is the net ionic equation?
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