生物
细胞生物学、遗传学、生态学与生命科学基础。
-
the body that produces testosterone) when they received a(n) __________…
1. testes; urgent 2. loudly 3. 200 million 4. quickly 5. epididymis 6. vigorously 7. vas deferens 8. seminal vesicles (or prostate gland, bulbourethral glands) 9. urethral sphinct…
-
which of the following are the effects of the parasympathetic nervous s…
C. Increasing motility and secretions of the digestive system, D. Decreasing the heart rate, E. Constriction of the pupils
-
genetic deficiencies in ______ cells cause abnormal immunoglobulin prod…
E. B
-
what is the neurotransmitter that is secreted by all parasympathetic pr…
C. Acetylcholine
-
you have 2 questions remaining in this concept. lyme disease is transfe…
b. Deer ticks
-
salmonella causes human diseases such as food poisoning. true false
A. TRUE
-
the types of immunodeficiency diseases that are present at birth (conge…
primary
-
organisms that spread pathogens from host to host are called vectors. t…
TRUE
-
a ______ is an organism that spreads a pathogen from one host to anothe…
b. vector
-
there are trillions of bacteria present on the human body, without whic…
TRUE
-
the ability to withstand antibiotic drugs that has evolved in some bact…
FALSE
-
there are ten times as many bacteria in the human body as human cells. …
FALSE
-
the high level of salmonella in water doesnt indicate water pollution a…
FALSE
-
bacteria on many surfaces can be killed with chlorine or other disinfec…
bleach
-
tuberculosis is a bacterial infection that can be treated with antibiot…
a. antibiotic resistance
-
what is an effective way to sterilize or kill the bacteria in water so …
b. Boil the water
-
define the term spinal reflex and then explain the organization of a si…
A spinal reflex is an involuntary, automatic response that is mediated by the spinal cord without the need for input from the brain. The organization of a simple stretch reflex (u…
-
question 22 flag question what is the glossopharyngeal nerve responsibl…
D. Swallowing and taste from the posterior one - third of the tongue
-
the phenomenon in which microbial antigens have determinants similar to…
molecular mimicry
-
binary fission is considered what type of reproduction? a asexual repro…
a. Asexual reproduction
-
what would be the result if the corpus collosum was cut? answers: a - d…
C. Communication between the right and left cerebral hemispheres would be impaired.
-
in which process do viruses that infect bacteria carry dna from one bac…
b. Transduction
-
prokaryotic cells reproduce by _____________. a binary fission b quater…
a. binary fission
-
where are the lateral ventricles located in the brain? answers: a - e a…
C. Within the cerebral hemispheres
-
the lack of genetic variation increases the risk of extinction. true fa…
TRUE
-
genetic transfer helps increase genetic variety, which allows prokaryot…
TRUE
-
which of the following effectors is the autonomic nervous system involv…
B. Cardiac muscle contraction, C. Endocrine glands secretions, D. Smooth muscle contraction, E. Exocrine glands secretions
-
how do bacteria increase their genetic variation? a sexual reproduction…
b. Bacterial conjugation
-
some bacteria can divide as quickly as every ______ minutes. a 2 b 200 …
d. 20
-
asexual reproduction presents both advantages and disadvantages to bact…
b. Lack of genetic variation
-
what is contained in the posterior (dorsal) horns of the spinal cord? a…
D. Neurons responding to afferent sensory stimulation
-
fill in the blank question an individual may develop rh antibodies thro…
First blank: blood; Second blank: transfusions
-
antibodies that are directed against self antigens are referred to as n…
autoantibodies
-
a third option the college student who is looking for a data plan for h…
1. \( C(0.7)=26 \). It means when the student uses \( 0.7 \) gigabytes of data over the monthly allowance, the cost is \( \$26 \). 2. \( x = 1.5 \). When solving \( 30x+5 = 50 \),…
-
a persons rh type results from the combination of two possible alleles,…
A. dominant/recessive
-
each person has a unique pattern of cell surface molecules due to a var…
True
-
identify this cranial nerve that is circled. answers: a - e a cn v- tri…
A. CN V- Trigeminal
-
multiple choice question type iv hypersensitivities primarily involve _…
A. T (assuming the first option with the selected radio button is option A, and the text is "T")
-
mary has damage to the facial nerve (vii) is considered a ______. answe…
C. Mixed nerve (both sensory and motor)
-
question 12 flag question what is the term for an elevated ridge on the…
B. Gyrus
-
type iii hypersensitivities involve ______. ○ cell - mediated destructi…
The correct option is: deposition of immune complexes (the option with the radio - button selected, which is the fourth option in the list: "deposition of immune complexes")
-
what is the hypothalamus responsible for? answers: a - e a managing lon…
B. Maintaining homeostasis, including the regulation of hunger, thirst, and body temperature
-
what tract of the spinal cord carries motor information from the brain?…
D. Corticospinal tract
-
binary fission is considered what type of reproduction? a asexual repro…
a. Asexual reproduction
-
which type of reflex arc involves an interneuron within the spinal cord…
B. Polysynaptic reflex
-
question 6 flag question the ______ system controls the ____ functions.…
A. sympathetic; "fight or flight"
-
which of the following are components of the reflex arc? select all tha…
A. Effector, B. Afferent neurons, C. Receptor, D. Efferent neurons
-
question 5 of 20 read the back cover description of a book: the first h…
A. By listing the exact ways in which people's everyday actions have an environmental impact
-
question 10 of 10 which story element most clearly categorizes \exhalat…
D. Its mechanical characters
-
question 2 of 10 what idea is the narrator in \exhalation\ most clearly…
B. The importance of learning from others
-
immunizations expose people to which substances? a t cells b dead or in…
b. Dead or inactivated antigens
-
you have 2 questions remaining to reach your goal. which of the followi…
d. Passive immunity may be acquired by a fetus through its mother’s blood.
-
before you build what does it mean for two body systems to \work togeth…
1. Two body systems "work together" when they coordinate their functions to achieve a common goal (e.g., maintaining balance or responding to a stimulus). 2. The nervous system an…
-
is being able to resist a pathogen that has previously infected the bod…
Immunity
-
what type of immunity is long term? a active b passive c innate
a. Active
-
passive immunity involves the transfer what substance? a antibodies b p…
a. Antibodies
-
what is the introduction to a dead pathogen into an individual in order…
a. Immunization
-
what is the reason for using weakened or dead pathogens and not live pa…
a. It will not get the patient sick.
-
immunization is an artificial way of causing active immunity but what i…
a. Getting a disease and recovering.
-
what type of immunity involves the transfer of antibodies from mothers …
a. Passive
-
a pathogenic antigen fragment must be displayed on the outside of a b c…
a. TRUE
-
memory cells may survive for the lifetime of an individual. true false
A. TRUE
-
which english letter does the shape of an antibody resemble? a t b y c …
b. Y
-
what type of white blood cell are b and t cells? a lymphocytes b monocy…
a. lymphocytes
-
which type of natural selection did the grants observe when studying th…
b. directional selection
-
what type of natural selection selects for the average phenotype of a p…
c. stabilizing selection
-
which type of natural selection selects for one of two extreme phenotyp…
c. directional selection
-
concept map: digestive system name leonardo r. date 11-20-25 period 4a …
(Assuming blank positions are filled as follows based on standard digestive system concept maps: - Next to protein: starch, fat, sugar - Mouth (labeled in diagram) - Stomach (labe…
-
which type of natural selection selects for both extremes of a phenotyp…
a. disruptive selection
-
individuals with tay-sachs disease, a recessive genetic disorder, usual…
a. Affected individuals do not have children.
-
human babies are typically born within a very narrow range of weight. b…
d. stabilizing selection
-
disruptive selection divides the phenotypes of a population into ______…
d. Two
-
which of the following is a type of natural selection for a polygenic t…
a. disruptive selection, c. directional selection, d. stabilizing selection
-
which best describes the process of natural selection? a individuals wi…
b. Passing down advantageous genes allows a population to best adapt to the environment.
-
what process involves the change of an alleles frequency in a populatio…
b. natural selection
-
inspiration for his remarks and the new laws significance. (1) my fello…
put the Civil Rights Act into context within American history
-
quick write prompt if the printing press had not been invented during t…
1. Slower spread of knowledge: Hand-copied books restricted access to ideas, delaying intellectual and scientific progress. 2. Weakened religious reform: Martin Luther’s 95 Theses…
-
quick write prompt if the printing press had not been invented during t…
1. Slow knowledge dissemination: Hand-copied texts restricted access to Renaissance ideas to elites, delaying the spread of humanism and scientific progress. 2. Delayed linguistic…
-
if genocide is being committed, what action can the world community tak…
- The International Court can arrest and try the perpetrators. - The UN can pass a resolution condemning the act of genocide. - The UN can send peace - keeping missions to solve t…
-
question 20 the lambdoid suture joins the parietal bone to the _______.…
occipital bone
-
the region on the retina that produces the sharpest vision is called th…
- First question: fovea centralis - Second question: Vagus nerves
-
which brain lobe controls voluntary movement, expressive language, and …
- First question: Frontal lobe - Second question: Pacinian corpuscles
-
the term ______ can be used to imply all of the chemical reactions with…
First question: metabolism Second question: epithelial cells are loosely packed and have much intercellular material
-
question 12 2 pts in what part of the nucleus does ribosome production …
- Question 12: In the area of the nucleolus - Question 13: Metaphase
-
match the following structures with the correct letter on the image cho…
A. Cornea, B. Retina, C. Optic disc
-
question 9 which type of receptors detect changes in temperature? ○ noc…
Thermoreceptors
-
the structure in the inner ear responsible for converting sound waves i…
Cochlea
-
the somatosensory cortex, located in the parietal lobe of the brain, is…
True
-
proprioceptors are sensory receptors located in muscles, tendons, and j…
True
-
identify the structure that has the arrow pointing to it.
The structure is the lens of the eye.
-
match the special sense with its corresponding anatomical structure or …
- Retina and photoreceptor cells (rods and cones): Vision - Cochlea and auditory nerve: Hearing - Buds and gustatory cells: Taste - Olfactory epithelium and olfactory receptors: S…
-
question 2 which submodality of taste is sensitive to the ph of saliva?…
A. Sour
-
what type of receptor cell is responsible for transducing pain stimuli?…
Nociceptor
-
the step from -60 to -5 on the top graph represents the clamped voltage…
C. Lidocaine inhibits the voltage - gated sodium channels
-
if this cell is a neuron, using the voltage clamp to change the cell me…
A. A current that indicates a large amount of sodium briefly entering the cell
-
you better add a buffer quickly so that the neurons dont dry out! what …
A. One that blocks potassium and calcium channels
-
what is the effect of the trpv1 channel opening? a) positive ions flow …
d) Positive ions flow inwards
-
you manage a network that has multiple internal subnets. you connect a …
Incorrect IP address
-
thermoregulation which part of the brain controls temperature regulatio…
Hypothalamus
-
circadian rhythm which sense plays a major role in setting the circadia…
Vision