This unit is composed of a sugar and phosphate backbone and a nitrogeneous base.
What is a nucleotide?
100
Enzymes usually end in these three letters.
What are -ase?
100
Mitosis occurs in this part of the cell.
What is nucleus?
100
Humans have a total of _______ chromosomes.
What is 46?
100
MKS mascot is the _____________.
What is the dragon?
200
DNA replication is called this because the new DNA double strand contains one old strain and one new strain.
What is semiconservative replication?
200
This enzyme unwinds the DNA during DNA replication.
What is helicase?
200
During this stage of the cell cycle, the cell grows and also replicates its DNA.
What is interphase?
200
Chromosomes are composed of 2 ________ ________.
What are sister chromatids?
200
C_______ causes uncontrolled growth in cells.
What is c____________?
300
The chromosomes are replicated during this phase of the cell cycle.
What is the S phase or Interphase?
300
This enzyme seals the between the OKazaki fragments made during DNA replication.
What is ligase?
300
List the 4 phases of mitosis.
What are prophase, ,metaphase, anaphase and telophase?
300
The 2 chromatids are joined together in this region.
What is centromere?
300
Substances that cause c______ are called ___________.
What are carcinogens?
400
A unit composed of DNA tightly wrapped around histones(proteins) is called this_______________.
What is nucleosome?
400
This enzyme pairs the proper DNA bases during DNA replication.
What is DNA polymerase?
400
During this phase of mitosis, the chromosomes become visible and the spindle fiber forms.
What is prophase?
400
For most of the cell cycle exists as relaxed chromosomes also known as _________.
What is chromatin?
400
Name a player from MKS champion sport's team.
Who are Mohamed, Ayman, Hussain ..........???
500
Identify at least on the scientists whose experiment confirmed that DNA was responsible for transforming the avirulent bacteria to virulent or capable of being passed on from one generation to the next generation.
Who are Oswald, Avery and Griffith?
500
Enzymes are called biological catalysts because they are able to __________________.
What is lower the activation energy or speeds up the reaction?
500
During this phase the cytoplasm divides producing 2 daughter cells.
What is cytokinesis?
500
A liger is a hybrid between__________ and a _____________.
What is a male lion and a tigress?
500
What else does MKS stands for besides Modern Knowledge School?