Cells
Cell organelles
The scientific method
Cell membrane transport
Miscellaneous
100
There is two broad categories of cells. One of the two types is has no membrane-bound organelles. What do we call those types of cells?
Prokaryotic cells.
They exist in bacteria and archaea.
100
What is the organelle responsible for protein production?
What is: the ribosome
100
The scientific method often has this order:
Ask a question -> Research -> _______ -> Experiment-> ________ -> Conclusion -> Report results
What is missing in the blank space?
What is: Hypothesis & Analyze data from experiment
100
The cell membrane is composed of four different types of components. State two of them.
What is: Phospholipids, proteins, carbohydrates, and cholesterol
100
The life function that includes all of the chemical reactions that occur in an organism is_________.
What is: Homeostasis.
200
Prokaryotes and Eukaryotes are similar in four structural characteristics. Mention two of them.
1. DNA
2. Ribosomes
3. Cytoplasm
4. Plasma Membrane.
200
What is the organelle responsible for sugar production?
What is: the chloroplast
200
What do you call a conclusion based on an observation?
What is: Inference
200
There is two types of transport across the cell membrane. Passive and Active Transport. State two differences between the two.
What is: Active needs energy, Active goes against the concentration gradient, Active is for bigger molecules like sugar.
200
An organism is made of organ systems, which are made of organs, which are made of tissues, which are made of ________.
What is: cells.
300
Plant cells and animal cells belong to the eukaryotic cell category.
State three organelles that are different between animal cells and plant cells.
What is: cell wall, big vacuole, chloroplast, lysosome
300
State two functions of the cell membrane:
What is:
1. Protect the cell from the outside environment
2. Selective Permeability
300
State three characteristics of a good experiment?
Can be repeated by anyone and get the same results.2. Have large sample size/many test subjects.3. Are performed for longer periods of time.4. Test only one variable….5. Are peer reviewed – examined by several scientists to determine its accuracy.6. Does not have to agree with the hypothesis. A scientist’s guess is allowed to be incorrect – and usually is.7. Is objective
300
What are the two types of Passive Transport?
What is: Osmosis & Diffusion
300
The organ system in humans that is responsible for regulating hormones is known as the _________.
What is: Endocrine.
400
Fungi and protozoa belong in which of the two broad categories of cells?
What is: Eukaryotic cells.
400
Muscle cells often need more energy than other cells. Therefore, in muscle cells you can find more of this type of organelle. What is it?
What is: Mitochondria.
400
The dependent variable (the effect of what you changed) goes on the ____ axis and the independent (what you have changed) on the _____ axis.
What is: Independent variable goes on the x axis, and dependent on the y axis.
400
What will happen to an animal cell in a hypertonic solution?
What is: the animal cell will shrink
400
Three INORGANIC molecules that are important to living things are
B| A | food, water and oxygen |
iron, calcium and oxygen | |
| C | water, oxygen and carbon dioxide |
| D | fats, proteins and carbohydrates |
What is: Water, Oxygen, and CO2
500
Here is a picture of a prokaryote. What does B & C & D represent?
What is: B is ribosomes, C is the nucleoid, and D is the flagella
500
This organelle has a dual function. It produces proteins using ribosomes and it storages lipids and steroids for later use.
What is: Endoplasmic reticulum.
500
If a scientist conducts an experiment to test the theory that a vitamin could extend a person’s life-expectancy, then:
What is the IV and the DV?
What is:
The Independent variable is the vitamin
The Dependent variable is how the dependent affected life expectancy
500
What cell membrane transport is this?
Active transport.
500
The cell organelle that contains the material that codes for proteins is the
B| A | ribosomes |
cell membrane | |
| C | nucleus |
| D | mitochondria |
What is: The nucleus