Bio Midterm - Ch 3/4/5

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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..


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