9th grade Biology Macromolecules test

Monomer of carbohydrate

monosaccharide (simple sugar)

polymer of carbohydrates are

polysaccharides (complex sugars)

elements in carbohydrates

C, H, O

what ratio is C, H, and O in in carbs?

1:2:1

Uses of carbohydrates

Short term energy storage, structure, and cell identification

Chemicals used to identify simple sugars in carbs

Benedict's solution

Positive results of Benedicts solution are

orange with heating

The chemical used to identify complex sugars in cabs

lugol's iodine

positive results of lugol's iodine

Dark Blue black or purple

types of lipids

fats, phospholipids, steroids

monomers of lipids

fats, oils and waxes

Characterisitics of a lipid

Hydrophobic

Elements in lipids are

C, H, O [Carbon, hydrogen and Oxygen

What ratio are the elements in lipids

Not a 1:2:1 low O

Uses of lipids

fats, oils, waxes, Phospholipids and steroids

fats, oils, waxes (lipids) uses

long term energy storage, insulation and cushioning

Phosppholipids (lipids) use is...

base of membranes

fats (lipids) identified by 2 things

Sudan III, and a brown paper bag test

positive results of Sudan III

globules

Brown paper bag positive results are

translucence

Protein monomer

amino acids

protein polymer

polypeptide (unfolded) protein (folded)

the building blocks of protein are

amino acids

the elements in protein are

C, H, O, N

protein uses in body

structure (hair and fingernails)
chemical reactions (enzymes)
defense (immune system and antibodies)
transport (highways inside a cell)
movement (muscle and cillia/flacella)
communication between cells

Chemicals used to identify protein

Biurets

Positive signs of biurets

Lavender

monomer of nucleic acids

nucleotides

nucleic acids polymer

DNA and RNA

RNA has how many strands?

one

DNA has how many strands?

two

Nucleic Acids Elements

CHONP

DNA

carries genetic material

RNA

carries message and helps make proteins

Genetics

Determines traits passed on to offspring