Exam 1 Review BIOL 1107
Quiz by aubrie scruggs
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
What is the basic unit of life?
Prokaryote
Cell
Archaea
Bacteria
30s - Q2
What is an organelle that all cells have?
Mitochondria
Chloroplasts
Membrane
Nucleus
30s - Q3
What do chromosomes contain?
Proteins
RNA
DNA
Carbohydrates
30s - Q4
What do genes do?
All of these
Become inherited through generations
Encode information for building molecules within the cell
Direct the development of an organism
30s - Q5
What is the central dogma created through gene expression?
mRNA>DNA>proteins
DNA>mRNA>proteins
DNA>proteins>mRNA
Proteins>mRNA>DNA
30s - Q6
Where does all energy come from originally?
Sun
Decomposers
Photosynthesis
Cellular Respiration
30s - Q7
What is the difference between negative and positive feedback?
Positive feedback is more common than negative feedback.
Negative feedback stimulates production while positive feedback inhibits production
Negative feedback inhibits production while positive feedback stimulates production.
In negative feedback, an end product affects the original process while in positive feedback, it does not.
30s - Q8
Which of these is not one of the three domains of life?
Bacteria
Eukarya
Animalia
Archaea
30s - Q9
Which of these is not a subatomic particle?
Water
Neutrons
Protons
Electrons
30s - Q10
Which subatomic particle is negatively charged?
Electrons
Neutrons
Protons
Electronegativities
30s - Q11
Which element in the human body and its percentage are correctly matched?
Carbon - 3%
Nitrogen - 65%
Hydrogen - 10%
Oxygen - 19%
30s - Q12
What makes up an atomic mass?
Protons and neutrons
Protons and electrons
Neutrons and electrons
The number of valence shells
30s - Q13
Which subatomic particle number changes within an isotope?
All of these
Protons
Electrons
Neutrons
30s - Q14
If a 2000g substance has a half-life of 100 years, how much is left after 50 years?
1500g
0g
1750g
1000g
30s - Q15
Where is the highest potential energy level found in an atom?
The first electron shell
The valence shell
The atomic nucleus
The protons
30s