Cell Organization
In what part of a plant or animal cell would you find DNA?
nucleus
what is the name of the glass structure we look through to make objects appear larger?
lense
What transport system would a molecule of water use?
osmosis
What is the name for normal cell division?
Mitosis
Name one way a sperm cell is adapted for its function
tail to swim to egg
Name two structures found in a plant cell but not an animal cell
vacuole
chloroplasts
cell wall
If you look through an eye piece that has a magnification of x 10 and an objective lens that is x40 what is the total magnification?
x400
What transport system is net movement from a high concentration to low over a semi permeable membrane ?
osmosis
What is stage 2 of cell division?
nucleus divides
What is the name for an unspecialized cell?
stem
What is the scientific name for the tail like structure found on bacteria?
flagella
What is 60 000 nano meters in micrometers
60
Which transport system is used when energy is required to shift particles from a low concentration to a high one?
Active transport
What is a stem cell?
an unspecialized cell
Name one way a root hair cell is adapted to its function
large surface area for absorption
What is the function of the mitochondria?
respiration
Name one key difference between a light microscope and an electron microscope
light- look at live specimens, cheaper, less resolution and magnification
Give an example of diffusion in humans
gas exchange between lungs and blood
Why is mitosis so important? (3 things)
Growth, repair and replacing old cells
What do muscle cells have extra of, in order to produce more energy?
mitochondria
Why is the main reason a bacterial cell a prokaryotic cell?
DNA not in a nucleus
If you look at an image that is 40 micrometers long through a magnification of x1000 what is the actual size of the specimen?
0.04 micrometers or 40 nanometers
If you put a potato that is roughly 60% potato and the rest water into pure water what will happen to it?
it will gain mass
What are two key differences between embryonic and adult stem cells?
embryonic- retrieved from early embryos, can differentiate into any cell
adult- bone marrow, only differentiate into certain cells
What type of cell has companion cells to give energy to move water and nutrients in both directions
Phloem