How can we help?

You can also find more resources in our Help Center.

17 terms

Science Chapter 4 Woodland

STUDY
PLAY
growth/development and cell divison
the two parts of the cell cycle
Mitosis
when the nucleus divides to form two identical nuclei
steps of mitosis
interphase, prophase, metaphase, anaphase, telophase
asexual reproduction
a new organism is produced from one organism
fission, budding, and regeneration
can also be used for asexual reproduction
zygote
cell formed in fertilization
meiosis
occurs in reproductive organs, producing four haploid cells
in meiosis
four new sex cells are produced
meiosis ensures
offspring produced by fertilization have the same number of chromosomes as their parents
DNA
large molecules made up of two twisted strands of sugar-phosphate molecules and nitrogen bases
gene
the section of DNA on a chromsome that directs the makeing of a specific protein
RNA
when DNA copys itself and is the pattern of blank
types of RNA/ used to make proteins
messenger, ribosomal, and transfer
mutations
permanent changes in DNA while in the process
diploid
when cells have similar chromosomes
chromosome
a structure in the nucleus that contains heredity material
fertilization
the joining of the egg and sperm