Made up of all living things on Earth. Examples: Forests, parts of your nose.
What is Biosphere
100
A group of related parts that interact to form a whole.
What is system.
100
A molecule of two or more atoms is held together by _______ bonds.
What is covalent
100
3 fundamental structure of carbon are...
What is straight, branched and ring
100
The amount of energy needed for a chemical reaction to start is called ________.
What is activation energy
200
Biodiversity....
What is variety of life that we observe in a biosphere.
200
How is adaptation advantageous to certain species?
Give an example.
What is it gives certain species an advantage over others and in turn they have a better survival rate.
Thorn bug
200
Why do hydrogen bonds enable some insects to walk on the surface of water?
What is hydrogen bonds form between slightly negative oxygen atoms and slightly positive hydrogen items, creating surface tension. "Skin"
200
Four main types of carbon molecules are found in living things, they are...
What is lipids, carbohydrates, proteins and nucleic acids.
200
Explain the lock and key model and what are the parts that make it up?
What is the enzyme binds with only specific substrates.
Enzyme and substrates.
300
Species...
What is a type of living organism that can be reproduced by interbreeding among themselves.
300
Homeostasis does what?
And is maintained by a process called...
What is the maintenance of constant internal conditions in an organism.
Negative Feedback
300
What is the difference between an ionic bond and a covalent bond?
What is ions = transfer electrons
covalent = share electrons
300
Name 2 differences between saturated and unsaturated
What is one has a single carbon bond, the other has a double carbon bond
One is solid the other is liquid
300
How does a catalyst affect the activation energy of a chemical reaction?
What is it lowers the activation rate of a chemical reaction and speeds up the rate or reaction.
400
Name the four characteristics that all organisms share.
What is cells, need for energy, reproduction and development(growth) and response to environment.
400
A long term response to environment...
What is evolution
400
96% of the human's body is made up of what elements?
Name 2 elements that are found in the other 4%
What is carbon, nitrogen, oxygen and hydrogen
Calcium (Ca), Phosphorus (P), Potassium (K), Sulfur (S) and Sodium (Na)
400
How does a protein know what shape to fold into
What is the sequence of amino acids
400
Which conditions are likely to affect the shape of an enzyme?
What is temperature and pH
500
Describe the difference between unicellular and multicellular.
How do each reproduce?
What is one is made up of many cells, while the other contains only one cell.
Single-celled organisms reproduce when one cell divides into two.
In multicellular organisms, they reproduce by combining the genetic information from two parents
500
Give me an example of how something is related in both structure and function.
Hint: What something does in an organism is directly related to its shape or form.
What is Molar teeth, red blood cells, neurons etc...
500
Hydrogen bonds give water 3 important properties what are they?
Brief description of each
What is high specific heat, cohesion and adhesion.
500
Nucleotides are composed of what 3 things?
And what bonds do they have between each other?
What is phosphate, sugar and nitrogen base.
Hydrogen bonds either double or triple.
500
Name 2 enzymes that we use in digestion and what each of them breakdown.
What is amylase = carbs, lactase = lactose and protease = protein