science Flashcards
cells (20 cards)
Name the unicellular germs that live in the water and can cause severe diarrhea and vomiting if they get in the body
protozoa
name the germs that are unicellular, don’t have a nucleus, and there are more good kinds then bad ones
Bacteria
what do you call the gel-like substance that holds cells organelles together
cytoplasm
what do you call the genetic material that is passed on from parents to offspring
peocyribonuleis acid
what do you call the organelle that stores water and waste
vacuole
what do you call the biggest Organelle that contains DNA and controls everything in a cell
nucleus
what do you call the tiny organs in a cell
organelles
what do you call the rough outer covering a Plant cell
cells wall
what do you call the organelle that makes protein
Ribosomes
what do you call a green pigment found inside a chlroplast
chrorophyll
what is a chromotid?
a DNA that neatly wraps up
what is a chromosome?
when DNA wraps around a protein ,it is called a chromosome.
how many chromosomes do humans have?
46 chromosomes
how many chromosomes does each parent pass on to their off spring?
23 chromosomes from each parent.
each segment of DNA is known as a what
Gene
what does a gene contain
genic traits
what happens during mitosis?
during mitosis chromosomes go through 5 phases
what are the 5 phases of mitosis
prophase, metaphase, anaphase, telophase cytokinesis
what are the 5 phases of mitosis
Prophase-chromosomes appear
