生物
细胞生物学、遗传学、生态学与生命科学基础。
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which statement about peptidoglycan is true? it is present in larger am…
It is present in the cell walls of almost all bacteria.
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which statement about peptidoglycan is true? it is present in larger am…
Its synthesis is unaffected by penicillin.
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which is a characteristic of archaea, but not bacteria or eukarya? chlo…
E. Ether - linked membrane lipids
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ribosomal rna (rrna) nucleotide sequences are suitable for phylogenetic…
evolves relatively slowly and is present in all free - living organisms.
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dichotomous key worksheet name common name scientific name common name …
1. Serinus canaria 2. Meleagris gallopavo 3. Canis familiaris 4. Ochloerotatus taeniorhynchus 5. Rosa sylvestris 6. Mephitis mephitis 7. Pinus ponderosa 8. Bos taurus 9. Bos tauru…
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biking, hiking, skiing and just enjoying the beauty of nature is an exa…
D. Cultural
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the sequencing of rrna allowed scientists a clear understanding that ce…
that certain nucleic acid sequences are unique to archaea and eukaryotes.
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question 2 of 20 of life the phylogenetic tree shown in the figure indi…
indicates that Archaea and Eukarya share a more recent common ancestor than Archaea and Bacteria.
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data table 1: diffusion in agar cubes cube size\ttotal volume (cm³)\tun…
1. Substances like nutrients or oxygen that diffuse into cells. 2. The 0.5 - cm cube; the 0.5 - cm cube had 100% penetration and is more likely to survive, while larger cubes with…
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a coral reef is very sensitive to change and easily disturbed. this is …
A. fragility
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lateral gene transfer most likely accounts for discrepancies in assigni…
the acquisition of antibiotic resistance in many strains of unrelated bacteria.
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15. all communications between a companys internal networks and the out…
D. Proxy
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13. most firewalls include a special computer called a ______ server to…
O proxy
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a ______ area network is a type of wireless network that works within y…
C. personal
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the ability of biological systems to remain healthy, diverse, and produ…
A. sustainability
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3. ____ uses standard telephone lines to provide high - speed connectio…
DSL
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9. approximately what percentage of oxygen is contained in exhaled air?…
17%
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5. on average, 8 potatoes cost $1.50 at a farmer’s market. fernando nee…
37
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5. on average, 8 potatoes cost $1.50 at a farmer’s market. fernando nee…
a. The estimate: We rounded 8 potatoes to 10 and 22 potatoes to 20. Since 10 potatoes cost about $1.50, 20 potatoes would cost $1.50\times2 = $3.00. b. The actual cost of 22 potat…
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8.3 cell transport hs - ls1 - 2, hs - ls1 - 3 21. the relatively consta…
21. c. homeostasis 22. c. diffusion 23. b. facilitated diffusion 24. Osmosis 25. Cells have a higher solute concentration than fresh water due to dissolved salts, proteins etc. 26…
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8.3 cell transport hs - ls1 - 2, hs - ls1 - 3 21. the relatively consta…
21. c. homeostasis 22. c. diffusion 23. b. facilitated diffusion 24. a. osmosis 25. Cells have more solutes inside compared to fresh water. 26. Passive transport doesn't require e…
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nutrient cycling, soil formation and vegetation are examples of this ty…
Supporting
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5. on average, 8 potatoes cost $1.50 at a farmer’s market. fernando nee…
The estimated cost of 22 potatoes is about $3.
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the increase in concentration of a substance such as ddt (pesticide) in…
A. Biomagnification
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3. generate your own questions based on your reading, write 3 questions…
a) 38000 b) Extreme size variation can exist due to different ecological niches. Small - sized crustaceans can access micro - habitats and have lower energy requirements, while la…
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5. on average, 8 potatoes cost $1.50 at a farmers market. fernando need…
a. The estimated cost of 22 potatoes is $4$ dollars. The estimation was done by rounding 8 - potato cost to $1.60$ (easier to divide) and 22 potatoes to 20 potatoes. b. It will co…
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10. cyclins and cyclin - dependent kinases (cdks) regulate the cell cyc…
Cells will divide uncontrollably, potentially forming tumors.
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question 22 hybridization is when two species arise from one. false true
False
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match each term with its correct definition, and be sure that you under…
food web - an interconnected network of feeding interactions through which energy and matter move food chain - a series of steps in which organisms transfer energy from one to the…
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9. where during the cell cycle is dna replicated? * 10 points g1 phase …
C. S phase
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8. you want to test how nutrient availability affects the g1 phase in c…
Cells in low - nutrient media spend more time in G1 compared to cells in normal media.
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7. what process/phase of the cell cycle is the cell in image c? cell wa…
cytokinesis
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6. a drug causes cells to skip the s phase and proceed directly to mito…
They will have half the normal DNA and may die or malfunction.
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5. a mutation prevents the g1 checkpoint from functioning properly. whi…
Cells may enter S phase with damaged DNA, increasing the risk of cancer.
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matching 3 points match each type of ecological pyramid with its descri…
1. pyramid of energy: shows the relative amount of energy available at each trophic level of a community pyramid of numbers: shows the relative number of individual organisms foun…
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what is the meaning of the foreign expression in bold? on july 23, 1952…
a sudden, often violent overthrow of a government
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nutrition unit test matching: 1. nutrition a. nutrients that help build…
Matching: 1. c 2. e 3. f 4. g 5. j 6. i 7. a 8. h 9. d 10. b Multiple Choice: 1. B. Dietary Guidelines for Americans 2. A. Food Allergy 3. D. Dietary Supplement
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which of the following is a benefit of biodiversity to humans? medicine…
C. All of these are benefits
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23 many cities in the united states are searching for alternatives to f…
A. The model with a neutron being absorbed by Uranium - 236 and then splitting into Barium - 144, Krypton - 89 and multiple neutrons.
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question 17 the death of an entire species is known as extinction. fals…
True
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what is the meaning of the word in bold? in the 1780s, president thomas…
someone who has a knowledgeable appreciation of something
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radiocarbon dating is a technique used by scientists to learn the ages …
B. 11,400 years
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b. click on one of the yellow volcanoes on the map - try to pick a volc…
i. Anchorage ii. Minor activity or eruption warning iii. Stratovolcano iv. A stratovolcano has a steep - sided, conical shape with alternating layers of lava and pyroclastic mater…
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use your knowledge of world history and the document below to answer th…
Some civilizations in the Americas enjoyed wealth on a par with many in Afro - Eurasia.
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use your knowledge of world history and the document below to answer th…
The Incas built roads and bridges to facilitate networks of exchange in mountainous areas.
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2. what gas does the child provide for the plant to use?
Carbon - dioxide
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illuminating photosynthesis type in the following link:https://www.pbs.…
a. Cannot be determined without accessing the link. b. Cannot be determined without accessing the link. c. Cannot be determined without accessing the link.
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what is the meaning of the word in bold? in the american debate on heal…
B. for example
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the steps needed to reduce overpopulation that will have the greatest i…
educating the public about the problems and reducing poverty.
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assessment & key questions and terms 8.1 life is cellular hs - ls1 - 2 …
1. b. cell membrane 2. c. cell 3. Cell - theory 4. Uses lenses to magnify an image 5. To view small structures 6. Produces 3 - D, detailed images 7. Light microscope 8. Prokaryoti…
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which of the following is not a characteristic of r - selected species?…
They reproduce slowly
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of the gases listed, which one is formed by the decomposition of living…
D. methane
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question 9/11 9 identify two effects of each event listed. drag two opt…
Seventy years ago, breeders engineered a tomato that ripened uniformly: - Producers found it easier to determine when to harvest the tomatoes. - Consumers found the tomatoes more …
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jovita idár & the birth of mexican - american equ educator 1 multiple -…
To fight for Mexican - Americans’ right to an equal education
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jovita idár & the birth of mexican - american equ educator 1 multiple -…
None of the provided options seem correct based on the above - mentioned reasoning. If we assume there are more options or a re - evaluation of the intent, journalists typically a…
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(a) what concept does the author develop in paragraphs 14 - 16 of the a…
(a) A. The tomatoes containing the weed gene are more flavorful than traditional tomatoes, but they will be rejected by consumers because of their appearance. (b) D. "Producers wo…
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(a) which idea is introduced in paragraphs 1 - 3 and developed in the p…
(a) C. Scientists have found that there may be a genetic cause for tomatoes' lack of flavor. (b) B. A mutation resulted in tomatoes that are beautiful and uniform in shape when th…
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7 what process uses atmospheric carbon in the form of carbon dioxide to…
B. Greenhouse effect
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when living things digest food, they produce a gas that is also found i…
B. methane
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4 which part of the biogeochemical cycle includes the oceans, atmospher…
Geological
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imagine a country has put an embargo on trade with your country. using …
An embargo is a government - imposed trade restriction. It can cause shortages, job losses, and higher prices for individuals. International trade is important for access to goods…
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3 the process by which animals use glucose for energy and emit carbon d…
D. Cellular respiration
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1 the process by which plants store carbon as a simple sugar is referre…
Photosynthesis
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3. read this paragraph from the passage. \she would begrudge me every f…
3. c. resent 4. b. struggling between desire and the problems of reality 5. b. It shows that Ivan and his wife had different feelings about wealth 6. a. The narrator and his wife …
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according to the british account, what did they do to the iron ordnance…
a. Knocked off the trunnions b. Ambushes from behind walls and trees c. Lord Percy with two pieces of cannon
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when settlers arrived in new england, many forests were turned in agric…
secondary succession
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19 multiple choice 1 point the author includes the quotation in paragra…
19. Without the full text, it's hard to determine precisely, but based on the options, we need to find the most relevant opinion the quotation supports. 20. The word "biological" …
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first and last name english language arts subject legacy college prep a…
1. Ralph puede estar soñando con su vida antes del internado, con su familia y un entorno más seguro y familiar. Lo hace ahora quizás porque siente nostalgia y desea escaparse de …
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ts label on food packages can give yo ow is a group of labels for snack…
The healthier snack alternative is the one with lower calories, less fat (especially saturated fat), less sugar, and potentially more nutrients like fiber or vitamins. Based on th…
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7 mark for review the early stages of the core - periphery model descri…
C. relationship between the underlying structure of a society and its outward expressions
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what did conservatives in the 1980s support? check all that apply more …
- B. lower taxes - D. fewer government programs - E. less regulation of businesses
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18 multiple choice 1 point from paragraph 9, the reader can infer that …
B. can be just as nurturing as biological mothers
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the reagan era quiz complete what is one reason the economy declined in…
The national debt tripled as spending increased
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genghis (chinggis) khans empire connected and amalgamated the many civi…
10. War and disease 19. Increased contact between global civilizations
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16 multiple choice 1 point mongol women managed the movement of the vil…
16. To allow their animals, like sheep and goats, to graze on new pastures 17. First international banking system
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15 multiple choice 1 point the authors purpose in writing the article i…
A. Inform the reader of the importance of maternal nurturing on a child's brain
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instructions although western europe was never conquered by the mongols…
14. B. By courting their intended and showering her with gifts 15. A. work and family
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question a researcher tracks a bacterial population in thousands of bac…
$2.568$
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23 mark for review quaternary economic activities are those that a extr…
C. involve the collection, processing, and manipulation of information
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rectangular prism -- congress approves the declaration of independence.…
Both the Declaration and the Constitution were drafted by representatives.
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2. “life for those of us in this caste is not easy. everywhere we go pe…
Dalit; they are assigned degrading tasks and face discrimination as described, and the mention of karma is in line with Hindu - influenced caste - related beliefs.
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9. refer to the information given in model 2. a. in the dog and flea re…
a. The flea benefits, the dog does not. b. The dog is harmed, the flea is not. c. Without Model 2 details, a tick - animal relationship is similar.
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question 7 which of the following is not listed in the textbook as a bi…
C. Disturbed home environment
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apr 19, 1775 the first battles occur in the revolutionary war. jun 11, …
The statement "The Declaration of Independence was approved before the Revolutionary War" is False.
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from one thousand dollars question 3 look at paragraphs 15 - 25 where g…
Light - hearted and carefree - The mood shows Gillian's casual attitude, which contrasts with the seriousness of his actions and highlights the story's critique of irresponsibilit…
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question 3 look at paragraphs 15 - 25 where gillian interacts with miss…
There is not enough information in the question to determine a single correct answer. Each option has a valid interpretation depending on the content of the paragraphs.
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8.10) in paragraph 11, obama expresses that he wants to work with the t…
8.10) B. Pakistani government 8.11) D. both A and B 8.12) C. Navy Seals working as a unit and depending upon one another to achieve a goal is an image of what U.S. citizens should…
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global history imperialism in china 1. define: unfavorable balance of t…
1. Unfavorable balance of trade: A situation where imports exceed exports. 2. Europeans' unfavorable trade: Desire for Chinese goods, lack of Chinese interest in European ones. 3.…
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which american revolution battle resulted in a military alliance betwee…
B. Saratoga
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question 7 (1 point) match the question to the best correct answer colu…
1. c. universal manhood suffrage 2. h. Jacobins 3. b. Maximilien Robespierre 4. j. conscription 5. d. counterrevolutionary 6. a. Reign of Terror 7. b. Maximilien Robespierre 8. i.…
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10. what is the name of the important french general who assisted the a…
10. B. Marquis de Lafayette 11. A. Yorktown
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which battle ended the revolutionary war? lexington yorktown boston tre…
B. Yorktown
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7. which of the following is found within the exoskeletons of insects? …
A. Chitin
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1. the one characteristic common to all lipids is that they are _, whic…
hydrophobic
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which of the following was not a cause of the revolutionary war? declar…
B. Battle of Yorktown
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the boston tea party marked a critical moment in the history of the ame…
1. They had no say in tax - making laws, feeling their rights were violated. 2. Led to a government with checks and balances and emphasis on representation and people's rights.
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the type of respiration that includes oxygen is called select
Aerobic respiration
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phospholipid \love\ or \fear\ water? briefly explain your answer. 9.___…
1. A phospholipid has both a water - loving and water - fearing part. The phosphate - containing head is hydrophilic and the fatty acid tails are hydrophobic. 2. Cholesterol
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which plant adaptation is most useful at high elevations? a. large leav…
B. Reduced leaf surface area
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cyanobacteria are a type of photosynthetic bacteria that first appeared…
B. Cyanobacteria were photosynthetic, which increased the concentration of oxygen in the atmosphere.