Show:
Exploring and Classifying Life
Cells
Cell Processes
Cells Reproduction
Microscopes and Cell Theory
100
What is the steps of the scientific methods? (in order)
State the problem, Gather information, Form a hypothesis, Perform an experiment, Analyze a data, and Conclusion
100
What is the nucleus?
The nucleus is the control of the cell.
100
What is the human body mostly made out of?
Oxygen
100
What is the longest pat of a cell cycle?
Interphase
100
When was the first microscope made and by who?
1500s and by a Dutch maker of reading glasses
200
What does living things need to live?
Living things respond, use energy, grow and develop, reproduce, and need shelter.
200
A ____________ can make its own protein.
ribosomes
200
What is osmosis?
When water molecules move by diffusion into and out of cells.
200
____________ is the procces in which the nucleus divides to form two identical nuclei.
Mitosis
300
What is spontaneous generation and who disproved?
spontaneous generation is the theory of living things coming from nonliving things and Francesco Redi disproved it.
300
What is diffusion?
diffusion is a random movement of molecules from an area where there is relatively more of them into an area where there is realatively fewer of them.
300
Name the steps of mitosis. (in order)
Interpharse, prophase, metaphase, anaphase, and telophase,
300
Name all the people who were invold in making the cell theory.
Robert Hooke, Matthias Schleiden, Theodor Schwann, and Rudolf Virchow
400
What is a dichotomous key use for?
a dichotomous key is use to identify and name a species.
400
Viruses causes __________
diseases
400
What is fermentation?
This happen when cells do not have enough oxygen for respiration.
400
In asexual reprodution the new organism is _________ to the parent organism.
identical
400
_____________________ produce a realistic,three-dimensional image.
scanning electron miroscropes
500
What is Alexander I. Oparin hypothesis?
Oparin's hypothesis is one explanation of how life began on Earth.
500
Where can you find prokaryotic cells?
In a one-celled organisms.
500
What element is the less amont that make up the human body?
Magnesium
500
Permanent changes in DNA are called _________.
mutations
500
____________ produce a two-dimensional image of a thinly-sliced specimen.
transmission electron miroscropes