This is the objective you must start with when looking at a slide
What is the scanning objective?
100
A human starts out as this many cells
What is 1 cell?
100
This part of the cell is similar to a water balloon.
What is the cell membrane.
100
There are 23 pairs of these in the human genome
What is a chromosome?
200
This is the name of the part of the microscope you look through.
What is the eyepiece?
200
This is the name for an unborn organism.
What is an embryo?
200
This part of the cell holds the genome.
What is the nucleus?
200
You examine a human lung cell. How many total chromosomes would you expect to find?
What are 46 chromosomes.
300
This is the magnification of the scanning objective.
What is 4x
300
After a single cell divides THREE times, there are this many cells.
What are 8 cells?
300
This stuff fills up the middle of your cells.
What is cytoplasm?
300
What is the name for the entire set of chromosomes that any organism has?
What is the genome
400
When you look at something using the high power objective, this is how many times bigger that object looks
What is 400x bigger.
400
This is why fish have yolks but humans don't.
What is because fish embryos grow in eggs instead of inside a mother. (They need the food from the yolk to grow).
400
This kind of cell has many branches so it can communicate with other cells.
What is a neuron?
400
Put these in order of increasing size/specificity:
genome, gene, DNA, chromosome
What is DNA, gene, chromosome, genome
500
You find a new microscope with an eyepiece magnification of 5 and the same objectives as usual. You look at a fingernail under the low power objective. The fingernail is magnified this many times.
What is 50 times?
500
This is how many cells an average adult human has.
What is 37 trillion! (37.2 trillion).
500
Your teacher thinks her drawings of cells look like this food.