Atoms and Bonding
How many protons does Hydrogen have?
1
What are the four macromolecules?
Nucleic Acids, Carbohydrates, Lipids, Proteins
Which level of organization is the basic unit of life?
Cell
Which organelle is the powerhouse of the cell?
Mitochondria
Which of the following health problems are linked to excessive social media use?
Depression
Anxiety
Excessive weight gain
Sleep Deprivation
Decreased Motivation
Decreased Self Esteem
All of the Above
What are the three major categories of elements?
Metal, Non-Metal, metalloid
Which macromolecule serves as a blueprint for building proteins?
Nucleic Acids
Which level of organization represents a full living thing?
What is the primary function of the nucleus?
To store and regulate DNA
True or False: half of our vitamin D, which supports a healthy brain, reduces inflammation, and can help prevent cancer, comes from exposure to sunlight.
False: nearly 90% of our vitamin D comes from exposure to sunlight.
What is a valence electron?
An electron in the "outer shell" or "highest energy level"
Enzymes are typically made from this macromolecule
Proteins
True or False: Tissues must be made from only 1 type of cell, but organs can be made from many different tissue types.
True
Which two cell organelles are found in plant cells but not animal cells?
Cell Walls and Chloroplast
How many total hours were spent on TikTok in 2019?
68 billion hours (7.76 million years of time total...178.5 hours per tiktok user in 2019)
How many valence electrons does carbon have?
Which macromolecule is used for short term energy, and which macromolecule is used for long-term energy storage?
Short: Carbs
Long: Lipids
Define "Organ System"
Multiple organs working together to perform a specific function within an organism. (Ex: Cardiovascular system, nervous system, skeletal system, etc.)
Name two ways in which vacuoles are different in plant cells vs animal cells.
Possible answers:
- Stores mostly water in plants, but stores mostly food/waste in animals
- Much larger in plants than in animals
- Animals can have several, plants can only have one.
I'm tall when I'm young, but short when I'm old. What am I?
A candle (Benjamin Button is also an acceptable response)
In a lewis dot structure, what does a line represent and what do dots represent?
1 line = 2 shared electrons, 1 dot = 1 unbonded electron
What is the chemical difference between Unsaturated and Saturated fats?
Unsaturated fats contain at least one double bond, which prevents hydrogen from "saturating" the lipid.
Starting with cell, and ending with biosphere, list every level of organization.
cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere
Name one job of the endoplasmic reticulum and one job of the golgi bodies.
ER: transportation system, helps produce proteins, stores calcium
Golgi Bodies: process and package proteins and lipids (amazon of the cell)
A man stood outside in the pouring rain without an umbrella or any shelter. He didn't get a single hair on his head wet. How did he do it?
By being bald