the nails and hair are a part of which body system?
integumentary system
if a homozygous red bird (RR) is crossed with a homozygous blue bird
... [Show More] (rr), what is the probability that the offspring will have red feathers?
100%
what are the main parts of the brain?
Cerebrum, cerebellum and the medulla oblongata
how many amino acids are required to make all the proteins necessary for life?
20
which of the following is NOT a type of natural lipid?
supersaturated
supersaturated is created from a supersaturated sugar solution
the parathyroid gland is an endocrine system gland located behind the thyroid gland. what does the parathyroid gland help the body control?
calcium and phosphorous levels
the radius and the ulna are two bones found in which of the following locations?
the forearm
which of the following endocrine system glands is PRIMARILY responsible for regulating an individual's metabolism and energy?
thyroid gland
atoms are made up of all the following EXCEPY which one?
isotopes
consider the following categories for "Skin Diseases: Types of Lesions": Nodules, Pustules, Plaques, Ulcers, & ___
cysts
what allows water to act as a versatile solvent?
its polarity
what characteristic of water allows for hydrogen bonding between molecules?
its polar nature
gastric fluid is an acidic substance. the pH value of gastric fluid would most likely be which of the following?
1.5
pH level goes
less than 7=acidic
7=neutral
higher than 7=bases
how many chromosomes does a diploid cell contain?
46
which of the following solutions makes a new type of metal by combining solid solutions of other metals?
alloys
How many periods are on the periodic table?
7
which body system does the liver belong to?
gastrointestinal (Digestive) system
which body system functions to provide structural, protective, and metabolic needs?
skeletal system
which of the following is the deposition of a liquid or a solid from its vapor?
condensation
what is the oxidation number of an elemental atom?
0
the grouping of elements by their properties is known as what?
the periodic table
AG is the symbol for which element?
silver
when a liquid substance reached a specific temp it will transform into vapor. this is called what?
the boiling point of the substance
what is the normal human body temp in celsius?
37 degrees celsius
an example of a synthesis chemical reaction
S + O2 --> SO2
what type of cell is this?
thin, flat, and bulged around the nucleus
squamous
what is responsible for the synthesis of lipids and hormones that are used for the production of new cellular membranes?
Smooth endoplasmic reticulum
what is the difference between saturated and unsaturated fatty acids?
saturated fatty acids contain no double bonds, unlike unsaturated fatty acids
DNA contains 4 nitrogenous bases that form hydrogen bonds with another base. what base does adenine (A) bond with?
Thymine
what is an organized structure of DNA and proteins found in cells?
chromosomes
Adrenalcorticotropic Hormone (ACTH) is produced by the pituitary gland. which identifies a function of ACTH?
cortisol production
what term is used to describe a substance that can act as either a acid or a base?
amphoteric
what must happen first before a cell can divide to grow, develop, and reproduce?
DNA replication
what is the primary responsibility of the adrenal gland? (on the kidney)
regulation of blood sugar
what kind of tissue are neurons?
nervous
how is an ion created?
by the addition or subtraction of electrons
what is true of mitosis
it occurs only in eukaryotic cells and it produces daughter cells
what is the reason ice floats on water?
it forms a lattice when freezing (allows air to fill in gaps)
when an allele is recessive for a particular trait, how will the letter chosen to represent it in the punnett square be appeared?
lowercase
during what stage of mitosis do all chromosomes line up in the center?
metaphase
a Punnett square is a device used to predict the genotype and phenotype of sexually reproduced offspring. what is a genotype?
the combination of alleles
what is the largest type of biological molecule?
protein
the thoracic artery takes blood to the thorax then into the renal arteries to what?
the kidneys
which organelle has the ability to hydrolyze fats, nucleic acids, proteins, and sugars?
lysosomes
when a silver nitrate and potassium chloride combine, they form silver chloride and potassium nitrate. this is an example of what?
double replacement
which of the following skull bones contains the foramen magnum which allows for the connection of the brain to the spinal cord?
occipital lobe
the organ of Cotri is located within the ear, and it contains hair cells that are located inside it. what do the hair cells do?
detect sound
what body system does the pancreas belong to?
gastrointestinal (digestive)
what carries blood AWAY from the heart?
arteries
what best describes the sublimation curve?
the boundary between solid and gas for any given substance as plotted on a phase diagram
the liver is _____ to the diaphragm
inferior
which is known as nervous tissue
Neuroglia
Prokaryotic cells are cells that have which of the following
no defined nucleus and no membrane bound organelles
the bone located along the midline of the anterior side of the thoracic region is known as what?
sternum
where are the nutrients absorbed in the body?
small intestine
which of the major arteries is responsible for taking blood to the arm
brachial artery
a reducing agent, or reductant, does what?
loses electrons
what bone is in the upper arm?
humerus
mendel's second lae, dihybrid inheritance, is the cross between two parents with what?
different alleles for one trait
a solution is considered to be alkaline if its pH is what?
above 7
base means alkaline
what enzymes do the kidneys produce to regulate blood pressure by retaining or removing water and salt?
renin
examples of some non metals
hydrogen (H)
carbon (C)
nitrogen (N)
what is the main purpose of the kidneys?
to filter the blood
in regard to a chemical reaction, what happens when pressure is decreased?
molecules don't connect as often and the rate of reaction decreases
a series of steps that produce water during cellular respiration is known as what?
electron transport chain
the heart is ____ to the diaphragm
superior
neutrophils, eosinophils, and basophils are white blood cells that are collectively known as granulocytes. what do neutrophils do?
attack and destroy bacteria and viruses
which body system protects against disease or other potentially damaging foreign bodies?
immune system
neutrophils, eosinophils, and basophils are white blood cells that are collectively known as?
granulocytes
which body system distributes blood and lymph throughout the body?
cardiovascular system
what is an unpaired skull bone that helps to make up part of the orbit of the eye that houses the pituitary gland?
sphenoid bone
the uterus is an example of what type of tissue?
smooth muscle
what phases of matter is made up of electrons and positive ions?
plasma
what body system integrates muscles and nerves?
neuromuscular system
what two conditions determine the phase that a substance is in?
pressure and temp
which type of individuals have two different alleles, such as Aa?
heterozygous
which heart valve is responsible for the regulation of blood flow between the right ventricle and the right atrium?
tricuspid valve
what is the final phase of mitosis?
telophase
what type of tissue is adipose tissue, also known as fat?
connective tissue
to which body system do the arteries and veins belong to?
cardiovascular system
what are functions of the gastrointestinal (digestive) system?
- to remove waste from body
- to use peristalsis to move food along
- to use enzymes to break down food
what type of solution combines readily separate matter?
emulsions
what is the fluid between the nucleus and the surface membrane known as?
cytoplasm
prolactin is a hormone produced by the pituitary gland. what does it do?
milk production stimulation
glycolysis is the conversion of ______ to _____ in the processes of cellular respiration
glucose to pyruvate
animals cells have ?
- nucleus
- cytoplasm
- cell membrane
what are the smallest arteries called?
arterioles
iron pills are prescribed for anemia, which is a hematologic disorder. what does hematologic mean
relating to blood
which of the following helps form the cytoskeleton of the cell?
microfilaments
prokaryotic and eukaryotic are two types of what?
cells
how many layers does the skin have?
3
in regard to a surface area chemical reaction, what is true?
- larger particles have a smaller surface area and react slower
- the reaction will be faster as the surface area in increased
- smaller particles have a larger surface area and react faster
table salt is a dietary source that provide an individual with which of the following mineral requirements?
chloride
the mitosis cell division process occurs in 4 stages. once all 4 stages are complete the cells pinches into 2. what is this process?
cytokinesis
what type of chemical bond has a relatively weak attraction between an anion and a cation?
ionic bond
what is an atom called if its electrically charged?
ion
what is the primary function of ribosomes in the cell?
to read RNA in the nucleus and translate the genetic instructions to produce proteins
a chemical bond in which electron pairs are shared between atoms is known as ?
covalent bond
the principal functions of which body system include hormone production and internal communication and coordination
endocrine system
when is a triple covalent bond formed?
when 3 electrons pairs are shared between 2 atoms
what type of tissue is bone?
connective
if a liquid has a pH of 2 is it acid or base?
strong acid
the double layered membrane that surrounds the heart is known as what?
pericardium
what type of bond is formed when two oppositely charged ions are electrostatically attracted?
ionic bond
what synthesizes and assembles ribosomes?
nucleolus
during what phase of mitosis does the mitotic spindle vanish?
telophase
the mitral valve is a heart valve that allows oxygen-rich blood from the lungs pass from which of the following?
the left atrium into the left ventricle
to which body system does cartilage belong to?
skeletal system
to which body system does the pineal gland belong to?
endocrine system
what kind of tissue are glands?
epithelial
the styloglossus muscle is located from the styloid process of the temporal bone to the tongue. what does this muscle do?
elevates the tongue
bones consists of 2 types fo bone marrow: red and yellow
which is true about red
red bone marrow is involved in the production of blood cells
what does COOH symbolize?
carboxyl group
what doses halitosis mean?
bad breath
what is a neutral subtopic particle that has no electric charge?
neutron
what do ribosomes use to create protein?
RNA
the rough endoplasmic reticulum has ____ located on it
ribosomes
the atomic masses that are presented in denial form on the periodic table are used to represent what?
the natural profusion of the element's assorted isotopes
the organic molecule compound C6H12O6 is the compound for what?
glucose
what element properties have a complete valence shell?
noble gases
in which area of a cell does DNA reside?
inside the nucleus
a catalyst can be used as a way to increase the reaction rate of a chemical reaction. how does using a catalyst accomplish this?
it reduces the amount of energy required for a reaction to occur
what allows water to climb up a glass tube that is placed into a container of water?
adhesion
nutrient distribution is a principal function of what body system?
cardiovascular system
what are found in the nucleus of an atom?
protons and neutrons
what are the bases of DNA?
Adenine, Thymine, Guanine, Cytosine
when studying the phenotype outcome for an F2 generation it resulted in a monohybrid retio. how would it be written?
3:1
what prefix should be added to a word function to indicate something is false?
pseudo
the rows fo the periodic table are what?
periods
water is a compound that lives in what states?
liquid, solid, gas
increasing surface area is a way to increase the reaction rate of a chemical reaction. how does increasing the surface area accomplish this?
it increases the opportunity for particles to come into contact with one another
in regard to pH pure water is considered what?
a neutral solution (7)
an oxidizing agent or oxidant does what?
gains electrons
what is true of neutrons
- they are neurally charged
- they are located in the nucleus
- their mass is similar to that of a proton
regarding the anatomy of a cell what part is the center?
nucleus
what carries oxygen throughout the human body?
red blood cells
what are Y or T shaped cells that originate in bone marrow and make proteins known as antibodies?
B-lymphocytes
in order for a solution to have an acidic pH, the pH will be ?
below 7.0
DNA replication occurs in which phases of cell replication?
S phase
if a liquid has a pH of 12 it is considered ?
strong base
molecules composed of amino acids joined by peptide bonds are known as what?
proteins
the sternum and ribs are considered what type of bone?
flat bone
what helps supports and gives shape to the cell
microtubules
when is a single covalent bond formed?
when one pair of electrons is shared between two atoms
increasing the concentration is a way to increase the reaction rate of a chemical reaction. how does increasing the concentration accomplish this?
it increases the chances of collision between reactants and produces more products
orbits of which of the following are located at the outermost part of an atom?
electrons
of one atom of element X with a charge of 3- reacts with two atoms of element Y with a charge of 1+ each, what is the charge of the final product, assuming all other variables are equal
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