COLs
Cell membrane
DNA
Water
Food chains/webs
100
How many characteristics of life are there?
8
100
The cell membrane is semi-permeable, what does this mean?
It only allows some things to pass through. Not everything.
100
Where is DNA found in the human body?
In the nucleus of cells
100
What is the chemical formula for water?
H2O
100
What is the trophic level of the grass?
producer
200
What characteristic of life deals with all living things needing to gain energy from a resource?
Metabolism
200
What is the function of the cell membrane?
To control what comes in and out of the cell
200
What is the matching base pair strand for AGG-TCA
TCC-AGT
200
Define cohesion
Water sticks to other water molecules.
200
What do the arrows in a food chain/food web represent?
The flow of energy
300
What are the two types of reproduction?
Sexual and asexual
300
Name four other organelles inside the cell
answers may vary: nucleus, mitochondria, cytoplasm, ribosomes, golgi body, vacuole, lysosomes etc
300
What does DNA stand for?
Deoxyribose Nucleic Acid
300
What is the boiling and freezing temperatures of water? In celsius
0 C & 100 C
300
What is the trophic level of the rabbit?
primary consumer
400
Name two characteristics of life that viruses do not have.
Cells, metabolism, response to stimuli, homeostasis.
400
Label the cell membrane below
A: hydrophobic tail
B: hydrophilic head
400
Who discovered the true shape of DNA?
Rosalind Franklin
400
Water is a universal -------? Explain what this means?
Solvent. Water can dissolve anything.
400
List the carnivores in this food web
snake, eagle and frog
500
Define homeostasis and give an example
Internal balance. Examples may vary
500
What is another name for the cell membrane?
Phospholipid bilayer
500
Label the nucleotide
A: Sugar
B: Phosphate
C: Nitrogen base
500
Water is polar. What does this mean?
It has both positive and negative charges
500
A tertiary consumer gets 0.34 kcal of energy from the sun. How much did the primary consumer get?
34