Cells, Tissue
Another term for a ductless gland is a__
Endocrine
Glands that have no ducts but release their products directly into tissue fluid and blood are called:
Endocrine
TIssue that lines the stomach and intestine
Epithelial
A specialized cell structure that propels sperm is the
Flagellum
The type of tissue is referred to as loose ordinary connective tissue is
areolar
DNA is a major constituent of which cell organelle?
nucleus
___ are specialized structures scattered throughout the cell, which perform jobs within the cell
organelles
The diffusion of water molecules through a selectively permeable membrane from a region where water molecules are more concentrated to a region where they are less concentrated is called
osmosis
Tubular network in the cell with no ribosomes that synthesize lipids and carbohydrates
smooth endoplasmic reticulum
Diffusion requires
A concentration gradient
A tissue is:
A group of similar cells that perform a common function
In the DNA molecule, obligatory base parings always pairs
A-T
If the original DNA code was ACG, the mRNA that would be formed would be:
ACG
In____, the cells move materials from a region of lower conception to a region of higher concentration
Active transport
Chromosomes moves toward opposite poles of the cells
Anaphase
Smooth muscles__
Can be found in the wall of the intestine
Projections from the cell that live materials and mucus are called
Cilia
A sequence of three bases forms
Codon
What does this picture show
Columnar
Almost every organ in the body has a framework of____ tissue that supports it
Connective
Blood is a member of which basic tissue type?
Connective
Bone and adipose tissue
Connective
Cartilage is a form of____ tissue
Connective
Collagen's fibers can be found extensively in___ tissue
Connective
The most widespread and abundant tissue in the body is
Connective
The Jelly-Like materials of the cell is called
Cytoplasm
___ is the net movement of molecules or ions from a region of higher convection to a region of lower concentration brought about by the energy of molecules.
Diffusion
What process results in the exact duplication of DNA?
Dna replication
Functions in processing and packaging of proteins molecules to be exported from the cell
Golgi apparatus
Where are proteins sent to be modified and packaged before being exported from the cell?
Golgi apparatus
Which organelle processes and packages materials to be secreted
Golgi apparatus
A solution that contains fewer solutes than the cell is ________ to the cell.
Hypotonic
The structure in cells that is associated with the enzymatic breakdown (digestion) of foreign material is the:
Lysosome
Mitochondria
Major source of ATP synthesis; powerhouse of the cell
When chromosomes align themselves across the equator of the spindle fibers, it's characteristic of which phases of mitosis
Metaphase
During___, the chromatids are positioned along the equator of the cell
Metaphases
The small intestine has tiny, finger-like projections of the plasma membrane that help increase the surface area and aid in absorption of nutrients known as ________.
Microvilli
Muscle cells need abundant ATP for muscle contractions. Which organelle must commonly be found in muscle cells to accommodate ATP production?
Mitochondria
____ are tiny power plants contained within the cell that carry on cellular respiration
Mitochondria
Tissue in the heart and the bicep of the arm
Muscle
Neurons
Nerve
What does this picture show
Nervous
One of the largest structure in the cell contains dna
Nucleus
How many layers make up pseudostratified epithelium.
One
Water will move through the cell membrane by
Osmosis
A white blood cell ingest bacteria. This is an example of___
Phagocytosis
In___, the cell ingest large solid particles such as food or bacteria
Phagocytosis
The engulfing of microbes by white blood cells is an example of
Phagocytosis
The___ surrounds and protects the cell, regulating passage of materials into and out of the cell
Plasma Membrane
Phases in which chromosomes become visible
Prophase
The correct order of phases of the mitosis is
Prophase, Metaphase, Anaphase, Telophase (PMAT)
Structure that destroy improper folded protein molecules that could possible harm the cell
Proteasomes
The major function of ribosomes is to synthesize
Proteins
Single layer of cells; some are tall and thin and reach the free surface, and others do not
Pseudostratified columnar
Protein factory made up of two subunits
Ribosomes
Broad, flattened sacs that extend from the nucleus and have ribosomes attached to them.
Rough endoplasmic reticulum
Single layers of cube-shaped cells
Simple cuboidal
___ are tiny cells with long whip- like tails called flagella.
Sperm
____ Epithelial cells are thin l, flattened called shaped like pancakes or flagstones.
Squamous
Multiple layers of cell with flat cells at the outer surface
Stratified squamous
Nucleolus
Structure in the cell nucleus that make ribosomes
The pairing of bases of a strand of DNA. If a strand of DNA were composed of the base sequence if ATCG, what would be the obligatory sequence of its opposing base pairs.
TAGC
Chromosomes elongate into chromatin from and spindle fibers disappear
Telophase
When blood cells are placed in hypotonic solution
There is a net movement of water molecules into the cells
When blood cells are placed in a hypertonic solution,
There is a net movement of water molecules out of the cell
Which type of tissue is situated in the lining of the urinary bladder and urethra where stretching occurs?
Transitional epithelium
Adipose tissue contains predominantly fat cells.
True
Epithelial tissue attaches to connective tissue by means of a basement membrane.
True
Loose connective tissue is also called areolar tissue.
True
If the original DNA code was ACG, the mRNA that would be formed would be:
UCG
During transcription, which base pairs with adenine of DNA in the newly formed molecule of RNA?
Uracil
Peroxisomes
Vesicles that contain catalase that are important in metabolic reactions involving hydrogen peroxide
Materials can be moved from a low concentration to a high concentration through:
active transport
Phagocytosis is an example of
endocytosis
Diffusion of particles through a membrane by means of a carrier molecule is called:
facilitated diffusion
Layers of cells that appear cubelike when the organ is relaxed and flattened when the organ is distended by fluid
transitional
A saline solution that contains a higher concentration of salt than a red blood cell would be:
hypertonic
A cancer drug prevents DNA transcription from occurring. Thus, the cell unable to make
mRNA
Chromosomes align along the equator of spindle fibers
metaphase
The cell extension that assist epithelial cells in absorption is called
microvilli
ATP production occurs within which organelle
mitochondria
The most complex tissue in the body is
nervous
The type of tissue that contains cells called neurons is called
nervous
Outer boundary of the cell made up of phospholipid and proteins
plasma membrane
Which of the following is a functional characteristic of ribosomes
protein synthesis
The nucleolus is composed chiefly of
rRNA
Rough Endoplasmic Reticulum has a granular appearance that results from the presence of organelles called
ribosomes
single layers of tall, thin cells, modification may appear goblet shaped
simple columnar
Single layer of flat, scalelike cells
simple squamous
The molecule that carries an amino acid to the ribosome for incorporation into a protein is ________.
tRNA