The cell
What are a couple functions of the cell (name 3)
intake of nutrients, movement, growth, response to stimuli, exchange of gasses, waste removal, reproduction
What is the concentration gradient?
when concentration goes from high to low concentration
name the two systems in a plant
the shoot system and the root system
what is resolution?
the amount of detail shown on an object
what do plant cells have that animal cells dont? (3)
chloroplasts, cell walls and on big vacuole
what organelle is green and looks to have stacks of lines inside
a chloroplast
what is active transport?
when a protein helps a molecule go against the concentration gradient
what type of bud is it on a plant if it is growing on the end of a branch
turminal bud
how do you calculate magnification on a microscope?
if a plant is placed in a hypertonic solution it will..
expand
what is the purpose of lysosomes?
to break down molecules and to digest useless organelles
what is passive transport?
when a molecule go with the concentration gradient
what is the difference between the phloem oand the xylem
the ploem tranports sugar and the xylem transports water
What did Antoni van Leeuwenhoek discover
he was the first person to see life with a microscope
what is an example of positive and negative phototropism
positive is when plant shoots always grow towards the sun and negative is how the roots will always grow away from the light
What makes up a phospholipid, and which part is hydrophobic and hydrophylic
a phosphate head and a lipid tail, the tail is hydrophobic and the head is hydrophylic
What is endocytosis?
movement of particles into the cell
what is the purpose of palisade tissue
photosynthesis
What is spontaneous generation
The theory that life came from non-living matter
how does water travel up the xylem? (4)
root pressure, transpiraation pull, and adhesion and cohesion
name all parts of the bilipid layer (there is 3)
integral protein, peripheral protein and phospholipids
what is facilitated diffusion?
what are meristems?
the area of plants where mitosis occurs
name all three parts of the cell theory
1. all living things are made of 1 or more cells
2. cells are the smallest unit of life
3. cells are made from other cells (cell division)
during endocytosis what is pinocytosis
the transport of solutes or fluids