生物
细胞生物学、遗传学、生态学与生命科学基础。
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checkpoints occur between the stages of the cell cycle. if a cell does …
B. DNA replicates.
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sexual reproduction in animals depends on the production of gametes. wh…
C. Meiosis
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atherosclerosis is a disease that obstructs blood flow and, therefore, …
A. Cell division
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the diagram below represents the cell cycle. when cells leave the cell …
C. Repeat the cell cycle continuously
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how is a job best described when it is only available to those already …
A. internal opening
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which of these must occur during s phase of the cell cycle so that two …
A. The DNA must be replicated.
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a photomicrograph of onion root tip cells during mitosis is shown below…
C. Anaphase
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when did the texas revolution occur? 1835 1845 1812
1835
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compared to human cells resulting from mitotic cell division, human cel…
6. C. one - half the number of chromosomes 7. B. mitosis of body cells
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before the evolution of political parties, federalists and anti - feder…
C. factions
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question 6 (mandatory) (0.75 points) during which step of a muscle cont…
When myosin head detaches from actin and pumping of calcium ions back into SR
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question 10 (mandatory) (2.5 points) match the following definitions wi…
1. fascicle - The part of the muscle that is enclosed in perimysium. 2. titin - That aids in restoring sarcomere length after a contraction and prevent extreme stretching. 3. cros…
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question 9 (mandatory) (0.75 points) in a nmj, what happens to the sarc…
allow influx of sodium ions and trigger action potential in muscle fiber
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question 8 (mandatory) (0.75 points) what part of the muscle fiber is a…
sarcoplasmic reticulum
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question 6 (mandatory) (0.75 points) during which step of a muscle cont…
There is not enough information provided to determine the correct answer as the options are not clearly separated and no correct - answer indication is given.
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question 4 (mandatory) (0.75 points) in a resting muscle, the active si…
tropomyosin
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question 3 (mandatory) (0.75 points) when an individual sarcomere under…
H band and I band will decrease in size
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question 2 (mandatory) (0.75 points) what type of cells within muscle f…
myosatellite cells
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question 5 (1 point) in order to stimulate a muscle fiber to contract, …
When calcium binds to troponin, troponin undergoes a conformational change. This causes tropomyosin to roll away from the active - site on G - actin, revealing the active site for…
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question 9 (1 point) when a muscle fiber contracts, ____ and ____ would…
Question 9: I - band; H - band Question 10: when myosin head binds to active site to create a cross - bridge
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question 6 (1 point) upon arrival of an action potential towards the ax…
Acetylcholine is released from vesicles through exocytosis
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in order to stimulate a muscle fiber to contract, where should calcium …
No options are clearly marked as correct in the provided image. However, in muscle - contraction, calcium binds to troponin, and then tropomyosin rolls away to reveal the active s…
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question 4 (1 point) saved in the cpt2 disease case we went over in lec…
because the body is metabolizing muscles for energy
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question 3 (1 point) if we want a muscle fiber to relax, which of the f…
amount of calcium ion increases in the sacroplasm
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question 1 (1 point) calcium is stored in the ____ of muscle cells, and…
Question 1: sarcoplasmic reticulum Question 2: Cori cycle
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reading tool connect to visuals study figure 3 - 3 in your textbook. th…
Organic matter can be both biotic and abiotic. When in a living organism it's biotic, and when decomposed it's part of the abiotic environment.
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which of the following scientist(s) was the first to hypothesize that m…
A. Charles Overton
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question 6 the primary function of kinases in signal transduction is to…
activate protein kinases or other relay molecules in a series.
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question 3 phosphorylation cascades involving a series of protein kinas…
they amplify the original signal many fold.
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station 5: fluid mosaic model questions 1. what is the fluid mosaic mod…
1. The cell membrane is described as a fluid structure with proteins embedded in a phospholipid bilayer. 2. Membrane fluidity decreases. 3. Membrane fluidity increases. 4. Increas…
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module 1 lesson 4 - sept. 24 complete the venn diagram. prokaryotic cel…
In the Prokaryotic Cells circle: circular (for DNA structure), cytoplasm. In the Eukaryotic Cells circle: multicellular, nucleus (true nucleus), linear (for DNA structure), humans…
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conclusion answer the following question using a cer format (claim, evi…
Claim: Yes, an extinct species of lemurs has been rediscovered. Evidence: DNA data from page 10 showing genetic similarity to the extinct lemur species and unique color characteri…
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complete the venn diagram. word bank: circular, cytoplasm, dna, humans,…
Pro - karyotic Cells circle: Have circular DNA, Lack a nucleus, Lack some organelles, Not found in humans, Always unicellular, Reproduce by binary fission Intersection: Have cytop…
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4. construct an explanation termites are insects that feed on wood, whi…
Fungi may pre - process the wood's cellulose, making it easier for termites to digest and more nutritious, which is why some termite species prefer it.
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question 13 (6.67 points) saved listen the biochemical units of heredit…
1) genes
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question 15 (6.67 points) listen the genome is the complete 1) collecti…
3) set of genetic material in an organism's chromosomes.
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if a genetically based attraction to beautiful people contributes to su…
2) natural selection
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professor assad suggested that a cautious attitude toward sexual encoun…
1) evolutionary
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question 9 (6.67 points) listen for children from impoverished environm…
4) prevent the degeneration of activated connections between neurons.
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question 18 (2.5 points) match the condition with its descriptor. is ca…
Question 18: - is caused by a virus the same as the one that causes chickenpox: 3. shingles (herpes zoster) - most common and least malignant type of skin cancer: 2. basal cell ca…
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how are pythons causing problems for native predators in florida? pytho…
A. Pythons are eating the native predators' prey.
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question 16 (2.5 points) a disease in which the red blood cells are cre…
Question 16: b) Sickle cell anemia Question 17: c) Thrombocytopenia
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brittla spends a lot of money on cosmetics and expensive clothing in or…
4) genetic predispositions
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question 14 (2.5 points) the outer layer of the eye is the a) choroid b…
Question 14: B. sclera Question 15: False
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sample response: the image shown is not a reliable source. it is not a …
The painting is not reliable. The painting is exaggerated. The painting is inaccurate. The painting was created to make the public angry, not to show what really happened.
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when mr. thompson lived overseas for a year, he was very surprised at h…
2) collectivism.
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how did pythons first become invasive in florida? people found baby pyt…
People let their pet pythons loose.
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part one add five supporting sentences to the topic sentence then creat…
Supporting sentences for the first topic sentence: 1. The silk fabric of the neckerchief glistened subtly, hinting at quality. 2. The intricate knot was tied with precision, a mar…
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question 4 (6.67 points) gender role refers to 1) ones biological sex. …
Question 4: 3) a set of expected behaviors for males and females. Question 5: 3) self - esteem.
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question 3 (6.67 points) saved listen religious and ethnic diversity ar…
Question 3: 4) collectivism Question 4: None of the provided options are correct as gender role refers to a set of social and behavioral norms for a gender, not biological sex.
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part one add five supporting sentences to the topic sentence then creat…
**Supporting sentences for "The way you wore your neckerchief showed your class and excellent comportment":** 1. The intricate knot you tied was both stylish and refined. 2. The s…
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cultural diversity best illustrates our 1) human temperaments. 2) genet…
1) 4) adaptive capacities. 2) 1) gender role.
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images like this appeared in newspapers across america in the days foll…
No, this is not a reliable source about the events of the explosion. It may be considered yellow - journalism because it likely uses sensationalism and exaggeration to attract rea…
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dead animals. such excellent table manners! but helping the ecosystem t…
The gist is that native animals play an important role in helping the ecosystem thrive.
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question 1 (2.5 points) the skin is designed to reduce the harmful effe…
Question 1: True Question 2: a) neutrophil diapedesis
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which are characteristics of yellow journalism? check all that apply. s…
sensational language, exaggeration, eye - catching headlines
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dead animals. such excellent table manners! but helping the ecosystem t…
Without the Gila monster, there would be more animals and insects in the desert. Then, there might not be enough food for all of these animals.
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which are characteristics of yellow journalism? check all that apply. s…
sensational language, exaggeration, eye - catching headlines
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what is the gist of the passage in the box? animals such as predators, …
Predators, prey animals, and engineers have different roles in their ecosystem.
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select the two sentences that use the word correctly. after you have ma…
A plant membrane has a firm cell wall. One kind of membrane helps the knee and shoulder move freely.
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what makes ants ecosystem engineers? ants are ecosystem engineers becau…
Ants are ecosystem engineers because they modify their ecosystems in ways that help other animals and plants survive there.
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what is the role of prey animals in an ecosystem? to reduce the number …
D. to provide food for the predators that hunt them
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select the monosaccharide that bonds to glucose to form the following d…
a. Glucose b. Fructose c. Galactose
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question 9 when the country falls into chaos, what is born?
Revolutionary ideas or new forms of leadership may be born.
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higher order thinking the table shows the relationship between a hedgeh…
The change in weight in 115 days of hibernation is - 3.45 ounces.
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place the hormone into each sentence to make it correct. 1. after a lat…
1. Glucagon 2. Insulin 3. Epinephrine (Adrenaline)
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order the topics from broadest to narrowest. broader controversy surrou…
1. controversy surrounding international sports organizations 2. controversy surrounding World Cup organizer, FIFA 3. controversy surrounding the eighth FIFA president, Sepp Blatt…
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order the topics from broadest to narrowest. broader inventions that re…
1. inventions that revolutionized modern life 2. inventions that revolutionized communication 3. inventions that revolutionized telecommunication 4. inventions that revolutionized…
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a biologists uses the function n(p) to represent the number of seeds th…
{0, 20, 40, 60, 80, …}
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in healthy cells, the k+ ion channel moves k+ ions into the _______ usi…
C. interstitial fluid; passive transport
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when ctx is present in the intestinal cell, the effect on pka is that i…
it phosphorylates proteins that it could not influence before CTX was present.
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what is an enzyme that can phosphorylate other proteins called? phospho…
D. kinase
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which of the following would allow you to confirm that the v. cholerae …
absence of a nucleus
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based upon fig. 5, guichard et al (2013) showed that the actin used in …
The first option: not connected to tight junctions in Cholera infected cells.
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this image shows a komodo dragon. how does this creature relate to the …
C. This creature was once thought to be a dragon but is actually a lizard.
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question 10 (1 point) shaw and mckay demonstrated that delinquency was …
cultural transmission
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practice problem #2 background: clams were placed into various temperat…
1. Number of developing clams 2. Water temperature 3. 30°C 4. 66.375 5. Approximately 52 6. Extrapolation
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modeling real life the volume of red blood cells in a blood sample is e…
10
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question 10 (1 point) shaw and mckay demonstrated that delinquency was …
cultural transmission
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question select the correct answer. why might \the song of the wreck\ b…
because it uses a simple rhyme scheme, discusses a somber theme, and uses an alternating meter of iambic tetrameter and iambic trimeter
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which of the following methods of alternative dispute resolution involv…
B. arbitration
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select the two sentences that use the word correctly. after you have ma…
Certain habits such as using cell phones during dinner really irritate me. Pollen and other allergens in the environment irritate my eyes and nose.
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what types of ethical dilemmas do journalists face? how to report on st…
1. how to report on stories in a way that is accurate, fair, and objective 2. The goal of profit can conflict with the responsibility to provide ethical reporting
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select the correct answer. which statement best describes the sapphic s…
D. A Sapphic stanza consists of four lines where the first three have 11 syllables and the fourth has five.
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how does the concentration of media ownership affect the quality of new…
1. It reduces media pluralism by offering similar content across various channels. 2. It encourages news outlets to deprioritize media pluralism.
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what is a strength of thematic framing? the audience is directed to fee…
The use of data can provide important context for a story.
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what is one difference in the way audiences respond to thematic and epi…
Episodic frames focus on giving audiences important contextual data via specific stories.
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what quality of reporting are journalists trained to prioritize? partis…
What quality of reporting are journalists trained to prioritize? B. impartiality How do reporters uphold the professional standards of American journalism? by producing stories th…
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select the correct text in the passage. which two words from \the raven…
implore, door; more, peering
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read the passage. discovering penicillin in 1928, bacteriologist alexan…
Fleming's chance observation of the antibacterial properties of mold led to the discovery of penicillin as a treatment.
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the main, or central, idea of the passage is the bolsheviks wanted a sm…
It illustrates one way that the Mensheviks differed from the Bolsheviks.
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read the passage. the bolshevik - menshevik divide in the early 1900s, …
The Bolsheviks wanted a small governing group with complete and immediate control, while the Mensheviks wanted a larger, more democratic government.
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20 a) sachant que la pression atmosphérique est de 98,6 kpa, calculez l…
a) La pression exercée par le gaz est de $25.3\ kPa$. b) Dans le manomètre à bout fermé, la différence de niveau de mercure entre les deux branches est de $189.5\ mmHg$, la colonn…
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multiple - choice question how might the preferences of an audience imp…
Journalists may appeal to their audience by reporting what they want to hear
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question 1 select the correct answer in the drop - down list: a self - …
an autonomous vehicle
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a benefit of alternative dispute resolution (adr) over litigation is: t…
that there is more flexibility in the ADR process.
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the main, or central, idea of the passage is genghis khan ruled with fe…
It draws a contrast between the two leaders' styles of governance.
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the main, or central, idea of the passage is women have often failed to…
It describes an incident when a female scientist did not receive credit for her work.
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read the passage. overlooked women in science historically, men have do…
Women have often failed to receive the credit they deserve for their scientific work.
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during maturation of the oocyte, what happens to the chromosomes as a r…
The cell becomes haploid, with 23 single chromosomes.