9 weeks Flashcards
what is the sugar in DNA
deoxyribose
what are the 4 nitrogen bases found in DNA
adenine, thymine, guanine,cytosine.
carries AMINO ACIDS to ribosomes to be used to assemble the proteins
tRNA
carries INFORMATION from DNA out into the cytoplasm
mRNA
part of the structure of ribosomes is made up
rRNA
what organelle makes proteins
Ribosomes
process that uses DNA as a template to make mRNA
transcription
the process of using RNA to make proteins; involves all 3 types of RNA
translation
where does transcription take place
the nucleus
where does translation take place
in the cytoplasm
how many cells are made in meiosis
4
how many cells are made in mitosis
2
what is an example of a heterozygous genotype
Tt
what is an example of a homozygous genotype
TT, tt
what are the steps of scientific method
observe, ask questions, form a hypothesis, experiment, result
what is the energy source used by cells to do their cellular activities
ATP
how many ATP’s does cellular respiration make?
38
plants appear green because chlorophyll ___ green light
reflects
what gas is made and released during photosynthesis?
oxygen
what gas is made and released during cellular respiration
carbon dioxide
what will cells do instead of cellular respiration if there is no oxygen present?
what is a prokaryotic cell
cells that lack a nucleus and membrane bound organelles.
what is a eukaryotic cell
cells that have a nucleus and membrane bound organelles
what is a producer
organisms that make their own food (plants and some bacteria)
what is a consumer
organisms that cannot make their own food and must eat other organisms
