Bio Midterm - Ch 3/4/5
two monomers
digestion of sucrose, a disaccharide, results in...
DNA
deoxyribose is a sugar found in...
they are smaller
in which way are vesicles different from vacuoles?
potential energy
ADP is low in...
False
ATP is comprised of a sugar, base, and two phosphate groups (T/F)
-spiral shape (helix) -folded shape (pleated sheet)
SECONDARY folding of a polypeptide produces which two shapes?
sequence of amino acids
a gene in DNA is code for...
10-100 micrometers
a general eukaryotic cell is typically in the area of what?
nitrogen-containing base, phosphate group, sugar
a nucleotide is made of what chemical components?
granum
a stack of thylakoids is called what?
phagocytosis
a white blood cell surrounds and engulfs a worn-out red blood cell, forming a vesicle around the red blood cell. what is this process?
produce ATP
both plants and animals needs mitochondria to...
condensed chromatins
chromosomes are...
lack organelles beyond ribosomes; is simpler/smaller
compared with a eukaryotic cell, a prokaryotic cell
ATP
considering the ATP cycle, which has the most potential energy to perform work for cell activities?
separate the DNA from other activities that occur in the cytoplasm
eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to...
cytoskeleton
eukaryotic cells move their organelles via...
polymer
glycogen is a what?
glucose molecules
glycogen is made of many what?
True
in sickle cell disease, malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin
active site
part of the enzyme into which the substrate fits
starch
plants store their sugar in the form of...
does not require energy from the cell
simple diffusion across a plasma membrane is called passive transport because it...
electron microscope
some proteins within a cell can be viewed with...
fat
steroids are classified as what?
protein
testosterone is a lipid-based hormone; insulin has what base of hormone?
nucleotide
the monomer that serves as the subunit to creating this organic molecule category DNA molecule
enzymatic activity
what is a function of proteins?
solar energy - chloroplast - mitochondria
what is the flow of energy at the cellular level through the biosphere?
ribosomes
what organelle is not surrounded by a membrane?
golgi apparatus
where do the vesicles that are being made for secretion from the cell become modified and packaged?
bind to signal proteins from other parts of the body
without receptor proteins, a cell would not be able to..
