12 Biology
Define species richness
The number of species in an ecosystem/area
The four nucleotide bases of DNA (initials only)
ATGC
What is the largest organ in the human body?
Skin
3 factors that affect enzymes
Temperature, pH & substrate concentration
8 x -6 + 4 x 3
-36
Recall Lincoln Index formula
N = Mn/m
How many daughter cells does mitosis produced?
2
What is the best selling book series of the 21st century?
Harry Potter
1 difference of motor and sensory neurons
Cell body is located in the middle for sensory neurons
16
Primary succession starts from rocks, secondary succession is after a natural disaster or large event.
Define restriction enzymes.
What happened on July 20th, 1969?
Moon landing
2 differences of the xylem and phloem
Finish the lyric (but you have to sing) … somebody once told me, the world is gonna roll me …
I ain’t the sharpest tool in the shed
Identify an inter specific hybrid. What makes it a hybrid?
Mule - doesn’t produce fertile offspring.
Determine the chance of a blue eyed baby if the mother has blue eyes and the father is a homozygous individual with brown eyes.
How many time zones are in Russia?
11
3 structural features of homeostasis
Brown adipose tissue, increased number of mitochondria and insulation.
Describe the process of metaphase. 2 steps.
1. Chromosomes line up centrosomes on equator of cell.
2. Centrosomes form spindles
What country has the most islands in the world?
Sweden (over 220,000)
Draw the fluid mosaic model.