Which organelle is considered the most important organelle in the cell as it controls all cell structure and cell functioning?
What do we mean when we say that cells are compartmentalised?
the cell is subdivided
contents of the cell is subdivided into membrane-bound organelles
What is the purpose of the nuclear membrane?
to keep the functioning of the nucleus and the DNA separate and safe from the rest of the cell
to maintain cell functioning
If a cell is not dividing, but is going about its normal functioning, what appearance will the chromosomes have?
What is one vitally important functions of the nucleus?
control of cell functioning
control of inheritance/passing on of genes to new generations of cells and organisms
both A and B
Which organic molecule carries all the information about how you look and how your body functions?
What most accurately desctibes the shape of the DNA molecule?
The DNA molecule is made up of two strands of nucleotides twisted into a double helix
How are the two strands making up the DNA molecule held together?
Nitrogenous bases are complementary: adenine will always bond with ______ and cytosine with _______
adenine with thymine and cytosine with guanine
adenine with guanine and cytosine with thymine
What two kinds of molecules form the 'backbone' or the two sides of the DNA molecule?
sugar and phosphate
hydrogen and monomers