BIOLOGY 3.4

studied byStudied by 29 People
5.0(3)
get a hint
hint

Cell Cycle

1/24

Tags & Description

Studying Progress

New cards
24
Still learning
0
Almost done
0
Mastered
0
24 Terms
New cards

Cell Cycle

causes cell to divide into 2 daughter cells

New cards
New cards

cell division

Examples of Meiosis and Mitosis. used to make more cells and divide existing cells

New cards
New cards

cell plate

during cytokinesis a ______ forms to create a wall between the two daughter cells

New cards
New cards

centrosomes

Help assemble microtubules, used to move chromosomes during cell division

New cards
New cards

centriole

one of a pair of small cylindrical cell organelles near the nucleus in animal cells

New cards
New cards

nucleotide

the basic structural unit of nucleic acids

New cards
New cards

homologous chromosomes

control the same hereditary traits

New cards
New cards

centromere

a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape

New cards
New cards

chromatin

the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins

New cards
New cards

chromosome

a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order

New cards
New cards

sister chromatids

two identical chromatids

New cards
New cards

diploid number

cells containing 2 copies of each chromosome

New cards
New cards

haploid number

half of total chromosome number

New cards
New cards

cell cycle checkpoints

G1, R, S, G2, M (in order)

New cards
New cards

cyclins

a family of regulatory proteins that control the progression of the cell cycle

New cards
New cards

mutation

any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism

New cards
New cards

Proto-oncogenes

control timing of cell division

New cards
New cards

oncogenes

allows unlimited cell division

New cards
New cards

tumor suppressor gene

a suppressor gene that blocks unscheduled cell division

New cards
New cards

tumor

an abnormal new mass of tissue that serves no purpose

New cards
New cards

benign

not dangerous to health; not recurrent or progressive

New cards
New cards

malignant

dangerous to health; characterized by progressive and uncontrolled growth

New cards
New cards

cancer

any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream

New cards
New cards

carcinogen

any substance that produces cancer

New cards