In science we only measure objects in _______
A. centimeters (cm)
B. inches (in)
centimeters
100
What is the smallest unit of life?
cell
100
Plants are green because they have the organelle called...
Chloroplast
100
What is the diffusion of water called?
Osmosis
100
DNA is bundled into structures called:
chromosomes
200
What measuring device would be used to measure mass in grams (g)?
Balance
200
A group of cells working together is called a ___________
tissue
200
What organelle contains most of the cell's genetic material?
Nucleus
200
Diffusion occurs when a substance moves from an area of _____ concentration to _____ concentration
High, Low
200
In what phase of mitosis do the chromosomes line up at the equator of the cell?
Metaphase
300
Convert 4.3cm to mm
43 mm
300
If a leaf on a tree is made up of multiple layers of tissue, then it must be considered an...
A. organ
B. organ system
organ
300
Which organelle controls what comes in and out of a cell?
cell membrane
300
What are the raw materials of photosynthesis?
Carbon dioxide and water
300
What are the three reasons cells need to divide?
Growth, Development, Repair
400
This is an observation that describes something using the 5 senses.
Qualitative Observation
400
Which of the following is NOT a part of the cell theory?
A. All living things are composed of one or more cells
B. All functions may be carried out by cells
C. All cells come from other cells
D. All cells reproduce through meiosis
D. All cells reproduce through meiosis
400
Which organelle builds proteins in the cell?
Ribosome
400
What are the raw materials of cellular respiration?
glucose and oxygen
400
This cell division process produces 4 gametes
Meiosis
500
This is an observation that uses numbers to describe something.
Quantitative Observation
500
Put the following in order from smallest to largest:
-organ system
-cell
-tissue
-organism
-organ
cell --> tissue --> organ --> organ system --> organism
500
What is the outermost structure in a plant cell?
cell wall
500
What is the word equation for cellular respiration?