A structure that is composed of two or
more tissue types that work together to
perform specific functions for the body is a
water
The most abundant chemical substance in
the body accounting for 60-80% of body
weight
Homeostasis Is the condition in which the Dynamic state within an unlimited range
body maintains what?
False. Visceral pericardium covers the most superficial layer TOUCHING of the
True or false? Visceral pericardium covers
heart. Parietal pericardium covers the perimeter of the heart's outer surface
the hearts outer surface.
Extracellular Outside a cell
Interstitial In between cells
intracellular Within a cell
What is a vertical section through the body Sagittal
dividing it into left and right called?
The basic structural material of the body proteins
consists of
The genetic information is coded in DNA by Sequence of molecules
the
A chemical reaction in which bonds are The release of energy
broken is usually associated with
2,8,1 True or false UNSTABLE True 1 wants to break off because octet rule
Atoms molecules cells tissue organs
Organize the following in the correct
sequence form simplest to most complex
CH4
Which of is an organic molecule water salt
sodium hydroxide or CH4
CHON in that order
The four elements that make up 90% of
body matter are
74 protons
If atom X has an atomic number of 74 it
would have how many protons
Hydrogen
Which bonds often bind different parts of a
molecule into a specific three dimensional
shape
Phagocytosis - cell eating
Which vesicular transport process occurs
primarily in some white blood cells and
macrophages
In certain kinds of muscle cells calcium The smooth ER
ions are stored in
TRNA - transfer RNA
The RNA are responsible for carrying
amino acids to ribosomes for protein
formation
, Which of the following describes the A phospholipid bi layer
plasma membrane
microvilli
Which structures are fingerlike projections
that greatly increase the absorbing surface
of cells
desmosomes
Which type of cell junction acts as anchors
and distributes tension through a cellular
sheet and reduce chance of tearing when it
is subjected to great mechanical stress
The cell could lose water and shrink crenate
If cells are placed in hypertonic solution
with a solute impermeable to the cell
membrane what should happen
Which of the following is a function of a Molecular transport though membrane
plasma membrane protein
ACGTT UGCAA
Passive transport processes include Movement of substance down its concentration gradient
mitochondria
What contain some of the dna and rna
code necessary for their own f unction and
is the powerhouse of the cell
True or false cyclic amp and calcium may true camp
be second messengers
Organizing the mitotic spindle in cell division providing a whip like beating motion to
The functions of centrioles include move substances along cell surfaces
A gene can best be defined as a Segment of dna that carries the instructions for one polypeptide chain
true 2k in 3k out
When the sodium potassium Na K pump is
activated 2 K+ ions are pumped into the
cell for every 3 NA + ions pumped out true
or false
Fluid mosaic model principle of cell Phospholipids form the bilayer that presents a hydrophobic barrier impermeable to
membrane structure h2o soluble molecules
In the maintenance of the cell resting ATP must be expended to maintain high intracellular K+ vs high extracellular Na+
membrane potential concentrations
During the S phase of interphase
DNA replication that occurs before mitosis
and cytokinesis occurs when
Within the majority of cells in the body dna In the nucleus and mitochondria
is found where
Stratum basal cells within the epidermis
Which cells are labile cells that is continue
to divide throughout their entire life span