Download Print › Biology Keystone Unit 1Basic Biological

Biology Keystone Unit 1Basic Biological Principles
Study online at quizlet.com/_x29nf
asexual
reproduction
Type of reproduction that does not involve
gametes; offspring are clones of parents.
2.
biology
The scientific study of life
3.
cell
The basic unit of structure and function
for all living organisms.
4.
chloroplast
An organelle found in plant cells
where photosynthesis occurs.
5.
chromosomes
A single piece of coiled DNA
contains genes that encode traits.
deoxyribonucleic
acid (DNA)
A biological macromolecule that carries
genetic information.
endoplasmic
reticulum (ER)
transportation center of the cell.
8.
eukaryote
Complex cells that contain a nucleus and
membrane bound organelles.
9.
extracellular
Located outside a cell
10.
Golgi apparatus
packages proteins for transport
11.
intracellular
Located inside the cell
12.
mitochondrion
site of cellular respiration
powerhouse of the cell
13.
Multicellular
Made up of more than one cell
14.
nucleus
Contains DNA
Controls all activities of the cell.
15.
organ
composed of tissues serving a common
function.
16.
organelle
Tiny cell parts
17.
organism
a living thing
18.
organ system
composed of a group of organs that work
together to perform a specific function or
task.
plasma
membrane
controls the movement of materials in
and out of the cell through active or
passive transport.
20.
prokaryote
A single-celled organism that lacks a
membrane-bound nucleus and
specialized organelles.
21.
ribosome
Site of protein synthesis
makes proteins
22.
science
A body of evidence-based knowledge
gained through observation and
experimentation related to the natural
world and technology.
sexual
reproduction
Type of reproduction involving two
different gametes (i.e., sperm and egg).
species
organisms capable of reproduction that
results in fertile offspring.
1.
6.
7.
19.
23.
24.
25.
tissue
composed of cells organized to perform a similar
function.
26.
Unicellular
Made up of a single cell