biology ch.7

receptors are designed to detect hormones which signal the cell to carry out tasks

most cells breaks down glucose to generate energy

what is enclosed by the plasma membrane is a semi fluid material

cholesterol contributes to the fluidity of the cytoplasm

what is the percentage of water in a cell

what does pre mean

what does neo mean

what is the process of maintaining balance in an organisms internal environment

cells are composed of what 4 elements

plants have trillions of cells

eukaryotic developed specific functions

the equation for compound microscope is: ocular x eye = magnification

two layers of phospholipid are arranged to allow the membranes to exist in a watery environment

prokaryotes rose from eukaryotes

humans have millions of cells

there are two types of ER: rough and smooth

the proteins in the nucleus determines the cell’s

ribosomes are membrane bound

what describes the bilayer as a “sea” on which other components can float and move around

the basic structural and functional unit of all living organisms is called

what organelle is made out of microtubules that functions during cell division

bradycardia means

did hooke observe thin sections of cork within a simple microscope of his own making

what is the powerhouse of the cell

robert hooke is known as the father of cytology

what is determined by the number of cells, not by the size

cell wall is made for carbohydrates called

what is the distant central organelle that contains the cell’s function

what does ultra mean

what variety is determined by some cells existing independently, some on colonies

how many microns do bacteria have

many believed that life was simply a sculpture of clay formed by God and given the element of life

what does the membrane control

there are 6 principles to follow in the cell theory

what cell has all chemicals process of the cell takes place directly in the cytoplasm

what is the function of lysosome

bilayer has polar heads facing outside and nonpolar facing inside the cell

the cork reminded hooke of the a what

what does retro mean

what pumps are membrane proteins that pump atoms like sodium potassium, calcium and hydrogen in or out of the cell

what transmit signals to the inside of the cell

what prevents the fatty acid tails of the phospholipis layer from sticking together

selective permeability means they don’t allow some substances to pass through while keeping the others out

thin protein threads that help give the cell shape and enable the part or entire cell move

what does inter mean

the vacuole stores

what cell process take place within organelle in the cytoplasm

what is a supporting network of long, thin protein fibers that form a framework for the cell and provide an anchor

what does necro mean

both cilia and flagella are made out of microfilaments

where are ribosomes produced

cilia moves in tender like oars in a rowboat

most of the membrane contains what for replication

bilayer allows the membrane to keep the internal and external environment separate

carbon, hydrogen, oxygen, and nitrogen come together to form

what is the function of the vacuole

plants have a

2 types of cells

how many microns do animals have

what does ichtyo mean

long hollow proteins cylinders that form a skeleton for the cell and assist in moving substances within cell

homeostasis forms thin, flexible, boundary between a cell and its environment

proteins are packaged into

what is the purpose of the cell wall

all cells have what in common

what does esthesis mean

what did leeuwenhoek improve

what are short, numerous projections that look like hair

what does lipo mean

the symbiotic relationship formed between a prokaryotic cells, where one lives inside another

what does cryo mean

who is known as the father of microbiology

how many microns do planets have

what does oto mean

what pumps needed substances and waste through the membrane

the nucleus is surrounded by

what does the bilayer contain

what is a function of the golgi apparatus

the process in which cells and some other eukaryotes contain chloroplast which capture light and converted into energy

flagella moves in a whip-like motion

what does cardiodynia mean

explain what an electron microscope is

a thick, rigid mesh of fibers that surround the outside of the plasma membrane

in 1665, cells were to what

what is the function of the ribosomes

what do animal cells lack

what does hidro mean

what does tachy mean

what does sacro mean

what does the nucleus contain and stored

mitochondria have an outer membrane and a highly folded inner membrane that provides surface area for breaking bonds

what is a membrane system of folded sacs and interconnected channels that serves as the sites for proteins and lipids

eukaryotic doesn’t contain a nucleus and other organelles

are eukaryotic larger than prokaryotic

explain what a compound microscope is

what is composed of multiple small disks called thylakoids, which contain the light capturing pigment chlorophyll

what is cholesterol

what organelle is longer and less numerous than cilia

prokaryotic are cells without a nucleus or other membrane-bound organelles

there are four different varieties when it come to cells: size, chemistry, numbers, and shape