Biology
Define prokaryotes and give an example of one.
Single-celled organisms that lack internal structures are surrounded by membranes that lack a nucleus. Examples: Bacteria
The three major states of matter are?
solid, liquid, and gas
Define Displacement in physics
Distance and direction of an object's change in position from the starting point.
What is the job of the red blood cells?
carry oxygen to the organs and tissues, removing carbon dioxide through the lungs
What has a higher ratio in your body? Human cells or bacteria
Human cells make up only 43% of the body’s total cell count. The rest are bacteria, viruses, and fungi – the greatest amount of these microbes are in our bowels.
Why is sexual reproduction important to a species?
The genetic diversity of sexually produced offspring is thought to give species a better chance of surviving in an unpredictable or changing environment.
Name an example of a network solid
Diamond
Can gold be created from other elements?
Yes, It is relatively straightforward to convert lead, bismuth or mercury into gold
Where is the closest Canadian service Blood donation center? (from pw)
4750 Oak St, Vancouver, BC V6H 2N9.
7 minute drive away
Helium changes our voice because...?
Helium is much less dense than oxygen. Typically, we breathe in nitrogen and oxygen. Since helium is less dense than oxygen, the sound of our voice travels faster through our vocal cords. Therefore, helium makes our voice sound weird because the sound is traveling over two times faster than usual.
What is malaria
A deadly disease that is spread through mosquitoes infecting people. It is called by a microscopic parasite called plasmodium, that transmits this disease through it's bite
Explain the octet rule
States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
Why is an atom said to have an initial neutral charge?
Because it has an equal amount of protons and electrons
What are some ways your blood can be used
for quality assurance purposes, evaluating the blood supply, process and product improvement testing, making reagents for testing, and for teaching or research purposes (note: any use for research will be approved by an independent research ethics board), and in the processing of medical or other products
Can rats laugh?
Rats have the ability to “laugh” when tickled. A video from National Geographic demonstrates that rats respond positively to tickling, and they even chase after the researcher’s hand in a playful manner.
Where does the Krebs cycle take place?
Mitochondria
What is the electronegativity difference range of an ionic bond?
1.7 < X
Can air make shadows?
Although air is almost perfectly transparent, it can still cast shadows via refraction. The key principle regarding refraction is that light is bent when the index of refraction differs from one location to the next.
Sandy is a girl in high school, she is 16 years old and weighs 60kg with a hight of 158 cm (5’ 2”). Is she eligible to donate blood?
No, the minimum age to donate blood is 17 years old. But her weight and hight has achieved the requirements.
Who was Dolly the sheep named after?
Because Dolly's DNA came from a mammary gland cell, she was named after the country singer Dolly Parton.
Abbreviation for adenosine triphosphate
ATP
What is the SI unit of the gravitational constant
N x m^2/k^2
Define Projectile Motion
the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
Who is the only person to win the Nobel Prize in two different sciences?
Marie Curie is the only scientist in history to be awarded Nobel prizes in two different categories: she was awarded her first Nobel Prize in Physics in 1903 for her work on radiation, and a Nobel Prize in Chemistry in 2011 for her discovery and work on radium and polonium.