1.2 Flashcards
what does the nucleus contain?
DNA and chromosomes go direct the protein synthesis
what does the nuclear envelope do?
allows passage of large molecules - mRNA
what does the nucleoplasm contain?
chromatin - coulda of DNA
what is the mitochondria made up of?
two membranes folded onwards to create cristae
what is chloroplasts made up of?
stroma - contains starch - photosynthesis
thylakoids in stroma called granum —contains chloroplhyll
what does the Rough ER do?
contains ribosomes and transports proteins
what does the smooth ER do?
transport and synthesis of lipids
what do the ribosomes do?
site of translation - mRNA is used to make polypeptide chain
what are 3 functions of the golgi body?
produce secretory enzymes
produce glycoprotein
transports/stores lipids
what do lysosomes contain?
digestive enzymes
what are centrioles important for
during cell division they make the spindle
what are 3 functions of the cel wall?
- transport - apoplast pathway
- mechanical strength
- communication through cells
animals energy store?
glycogen
plant energy store
starch
what are the 3 mammalian tissues?
epithelial muscular connective
