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As the beaker is a cylinder, we know the formula of its volume is (pi x (radius)2) x height.
Since the radius = 1/2 diameter and the diameter = 10 cm, the radius = 5 cm.
We know the height is 16 cm.
So the formula for the volume becomes:
(pi x (5)2) x 16 = 1256.63706144 cm3
If we round this to 2 d.p. it becomes:
1256.64 cm3 to 2 d.p.see more
There are 5 steps you can follow to make this sort of problem easier to handle:
1) Line up all of the values in a column with the decimal points under each other
2) Ensure each value is the same length by filling in zeros
3) Ignore the decimal points and look at the values as if they were all whole numbers
4) Arrange in order of size
5) Put the decimal points and zeros at the front, back in
This would look like:
Step 5 shows the correct answer in ascending order from the smallest value at the top to the largest value at the bottom.see more
1) Firstly, the instructions to produce a protein are contained within part of the DNA molecule called a gene.
2) This information is copied from the DNA to form another information-carrying molecule called messenger RNA (mRNA). This process occurs through enzymes called RNA polymerases.
3) The mRNA (unlike the DNA) can leave the nucleus of the cell (where almost all of the DNA is found) through pores in the nucleus.
4) It travels to the structures which assemble the proteins called ribosomes.
5) The ribosome reads the instructions contained in the mRNA and sets about joining together amino acids in the correct sequence instructed by the mRNA to form a protein.
6) The proteins then enter vesicles (sacs surrounded by membrane) which travel to the Golgi Apparatus.
7) The Golgi apparatus modifies the protein and then packages it again in a vesicle ready for release from the cell.
8) The vesicle travels to the cell membrane, fuses with it and then is released from the cell itself outside.see more