Osmosis is the movement of correct answers water through a selectively permeable membrane
down its concentration gradient
The ability of an organism to sense and react to changes in its body illustrates correct answers
responsiveness
In negative feedback mechanisms, changes away from the normal state correct answers stimulate
changes in the opposite direction to restore normal levels
Which of the following are living organisms simplest unit? correct answers cells
An organic compound always contains correct answers carbon and hydrogen
What best describes the function of the skeletal system? correct answers support and movement
Part of the cell cycle when DNA replicates: correct answers Interphase
DNA correct answers stores genetic information, including instructions for enzymes that
synthesize fats and carbohydrates
An atom is electrically neutral when correct answers the number of electrons equals the number
of protons
Homeostasis is the correct answers tendency of the body to maintain a stable internal enviroment
Which of the following lists best illustrates the idea of increasing levels of complexity? correct
answers organelles, cells, tissues, organs, organ systems
,An ion can be described as correct answers an electrically charged particle
A sagittal section divides the body into correct answers right and left portions
the cell membrane is said to be: correct answers selectively permeable
Which of the following must the human body obtain from the environment in order to survive?
correct answers water
Loose thread like strands of DNA and protein: correct answers Chromatin
Which of the following is the most abundant inorganic substance in the body? correct answers
Water
What is the purpose of mitosis? correct answers Division of the cell nucleus
Cytoplasm consists of correct answers Cytosol and organelles
What is necrosis? correct answers Cell death that occurs due to tissue damage
The organelle is a "tail" used for locomotion in cells such as bacteria or sperm correct answers
flagella
This organelle is a network of interconnected membranes and acts like the cell's factory; forming
sacs and canals that synthesizes protein and lipid molecules correct answers endoplasmic
reticulum
The midportion of the abdomen is called the _________ region correct answers umbilical
,In a covalent bond correct answers atoms share a pair or more of electrons
Phase of mitosis when new nuclear envelopes form around the two new nuclei and chromosomes
unwind back to chromatin correct answers Telophase
The activities of an anatomist consist of _________, whereas those of a physiologist consist of
________ correct answers observing the structure of body parts; studying the functions of body
parts
An isotonic solution correct answers has the same osmotic pressure as the cells in the solution
Phase of mitosis when the chromosomes line up in the middle of the cell: correct answers
Metaphase
Which of the following illustrates a positive feedback mechanism? correct answers Uterine
contractions during childbirth
The formula H2O refers to correct answers an inorganic molecule
In a ________ solution, cells swell and may burst correct answers Hypotonic
"Powerhouse" of the cell that makes a lot of ATP: correct answers Mitochondria
Stages of the cell cycle unfold in the following order: correct answers interphase, mitosis,
cytoplasmic division, differentiation
tara discovers a rapidly growing lump that doubles in size over a month. A doctor does a biopsy
and discovers it's a form of cancer, which can result if correct answers mitosis/ cell division is
too frequent
, Each of the following are examples of a lipid-based molecule except for: correct answers protein
The atomic number of an atom equals the number of correct answers protons
The fingertips are _______ in relationship to the wrist correct answers distal to
What is the chemical symbol for sodium? correct answers Na
Which structure is found in the axial portion of the body? correct answers Head
Which subatomic particle has a negative charge? correct answers electron
In a _______ solution, cells shrink and shrivel correct answers hypertonic
Programmed cell death occurs during development, including the removal of webbing between
fingers of the fetus. This process is known as correct answers apoptosis
In a _______ solution, cells swell and may burst correct answers hypotonic
Has ribosomes on its membranes and is involved with protein synthesis: correct answers rough
endoplasmic reticulum
Stomach acid is considered a strongly acidic. Which pH value is it likely to have? correct
answers 2
An atom is made up of correct answers all the answers are correct: neutrons, electrons, protons