Final Exam Flashcards
Which of the following lists the structural level of organization from simplest to complex?
Atoms>molecules>macromolecules>organelle
In negative feedback loop, the ___________ responds to the commands of the control center.
Effector
In a negative feedback loop, the _________ is the sensor that monitors the environment.
Receptor
When body temperature stars to rise, homeostasis is maintained by activating effectors called
Sweat gland
By definition, ___________ means toward or at the body surface
Superficial
A _________ plane divides the body into anterior and posterior parts
Frontal
The brain is in the _________ cavity
Cranial
Which region of the abdomen is superior and lateral to the umbilical region
Left hypochondriac
The ______ of any atom Is equal to the number of protons in the nucleus.
Atomic number
Which of the following has no charge?
Neutrons
_________ is the body’s main solvent
Water
_________ have the same number of protons, but different in the number of neutrons they contain.
Isotopes
Nitrogen has 7 protons. How many valence electrons does nitrogen have?
5
_______ have more electrons then protons and are negatively charged.
Anions
A _____ reactions always involve formation of new chemical bonds
Synthesis
If you have a solution with a ph=2 and you need the ph to be 12, which of the following should you add?
Base
Which of the following is not a component of triglycerides?
Phosphate group
In plants, glucose molecules are linked together to form a polysaccharide called _______, which is used for energy storage
Starch
All 20 amino acids contain
Carboxyl group and amino group
_______ structure occurs when two or more polypeptide chains associate with one another.
Quaternary
Which of the following is not part of a DNA nucleotide
Amino acid
Which of the following is not a component of ATP
Cytosine
________ was the first to propose that cells arise only from other cells.
Rudolph virchow
Which of the following is not involved in the process of exocytosis?
Chromatin
In mitosis, chromosomes align at the middle of the cell during _____
Metaphase
In mitosis, the nuclear envelope resembles during _____________.
Telephase
In mitosis, centromeres split apart and each chromatic is considered chromosomes during _____________.
Anaphase
Cells lose water by osmosis in ______ solution.
Hypertonic
Which of the following does not require an energy source.
Simple diffusion
The _______ are the sites of ATP synthesis.
Mitochondria
Which of the following are responsible for increasing surface areas to increase absorption
Microvilli
_________ is a granular, threadlike material composed of DNA and his tone proteins.
Chromatin
______ is the enzyme that is responsible for DNA replication.
DNA polymerase
The function of a stratified squamous epithelium is
Protection
____________ glands secrete hormones
Endocrine
_______ are communicating junctions that allow ions and small molecules to pass from one cell to the next for intercellular communication.
Gap junction
__________ are anchoring junctions that bind adjacent cells together
Desmosomes
Chondrocytes are the primary cells that are found in _________.
Cartilage
Simple columnar epithelium is located in the ______.
Stomach
Simple cuboidal epithelium is located in the
Kidney
A _______ membrane lines the inside of every hollow internal organ that opens to the outside of the body.
Mucous
_________ is located in the ear.
Elastic cartilage
Which of the following is not part of a neuron?
Intercalated discs
Which of the following muscle tissue has strict ions and is involuntary controlled?
Smooth
Which of the following muscles tissue has strict ions and is voluntary controlled?
Skeletal
___________ connective tissue is located in the aorta.
Elastic
_______ connective tissue forms the soft internal skeleton of the sleep
Reticular (b)
_________connective tissue provides reserve food fuel
Adipose (a)
Connective tissue is widely distributed under the epithelial of the body
Adipose (a)
_______ connective tissue is located in the intervertebral discs
Firocartliage (c)
Epithelial tissue allows for the passage of materials by diffusion
Simple squamous (c)
Epithelial tissue stretches readily and permits distinction of the urinary organ by contained urine.
Transitional (b)
Muscle has intercalated discs.
Cardiac (b)
The thick skin, the epidermis has ________ strata.
Five (a)
The epithelium of the epidermis is classified as a _____ epithelium
Stratified squamous (a)
Is protein produced in the epidermis. It protects the skin from dehydration and abrasion.
Keratin (c)
Which layer of the dermis is deeper?
Reticular (a)
The papillary layer of the dermis is composed of ___ connective tissue.
Areolar (a)
The reticular layer of the dermis is composed of ___ connective tissue.
Dense irregular (d)
Which layer of the following is not a characteristic of the hypodermics?
It consists of stratified squamous tissue. (B)
Which glands are mostly confined to the auxiliary, anal, and genital areas?
Apocrine glands (b)
The stratum basale is deep to the stratum granulosum
True (a)
The stratum granulosum is deep to the stratum spinosum
False (b)
If you gave 1 molecule of glucose , how many FADH2 will be made in pyruvate oxidation?
E
If you have 2 molecules of glucose, how many NADH will be made in Peru ate oxidation?
4 (b)
If you have 3 molecules of glucose, how many pyruvate molecules do you make in glycolysis
6 (c)
If you have 1 molecule of glucose how many CO2 will be made in the Krebs cycle.
4 (b)
In the reaction NADH>NAD+, was NADH oxidized or reduced
Oxidized (a)
Where in the cell does the Krebs cycle occur
Matrix of the mitochondria (a)
At the end of glycolysis what carbon-based molecule is produced
Pyruvate (b)
What carbon-based molecule is regenerated in the Krebs cycle
Oxaloacetate (b)
If you have 3 molecules of glucose, how many total CO2 will be made in cellular respiration
16 (d)
If you have 1 molecules of glucose how many ATP will realists made in cellular respiration
30 (b)
If you have 1 molecules of glucose how many ATP will be made in the Krebs cycle
2 (a)
In the electron transport chain, ATP is made by _______ phosphorylation
Oxidative
The breakdown of glycogen is referred to as ______
Glycongenolysis
The production of glucose from non carbohydrate molecule is referred to as _____
Gluconeogenesis (c)