生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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question 1 of 10 which molecule is active first during dna replication?…
D. Helicase enzyme
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in the text area below compare and contrast a cell membrane and cell wa…
Cell membrane: thin, flexible, lipid - protein layer, in all cells, selective permeability, cell - cell recognition, signal transduction. Cell wall: rigid, composition varies (cel…
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question 4 of 10 in which sector of the economy is the person in this i…
B. Secondary
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question 25 of 25 scientists compare two different plant species. in sp…
A. Species B will have a wider range of leaf colors.
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question 24 of 25 how are tumor cells different from normal cells? a. t…
C. Mitosis is not regulated in tumor cells.
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question 23 of 25 which is true about a daughter cell produced by mitos…
B. It can function independently.
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which best describes a gene? a. a tetrad b. a chromosome c. a sister ch…
D. A piece of a chromosome
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what is the function of the chloroplasts?
The function of chloroplasts is to carry out photosynthesis, using chlorophyll to capture light energy and convert carbon dioxide and water into glucose (a form of stored chemical…
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which best summarizes the findings of griffith? a. cells contain a tran…
A. Cells contain a transforming factor.
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question 20 of 25 why did mendel use pea plants in his experiments? a. …
C. They reproduce quickly.
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6. a user reports that they cannot access files stored on an external d…
C. Format it to exFAT
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in three (3) sentences, explain the function of a vacuole in plant cell…
Vacuoles store water, nutrients, and waste. They maintain turgor pressure for plant structure. Also, they help in detoxifying harmful substances.
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3. a users laptop has run out of storage space. they want a low - cost,…
A. USB flash drive
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question 1 (1 point) passes genetic information onto future generations…
- Question 1: B. both - Question 2: D. Butterflies receive nectar when they deposit pollen on flower
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question 4 1 point a species of ants have two colors: golden (g) and gr…
\(gg\)
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question 9 g = gold eyes | g = silver eyes | y = yellow feathers | y = …
Gold eyes and brown feathers
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q = quail - patterned feathers | q = patternless feathers | r = red thr…
\( QqRr \)
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reasoning a salespersons commission rate is 4%. what is the commission …
The commission is \(\$1360\). If sales double, the commission also doubles.
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of the grapes in your garden, there are round grapes and shriveled grap…
A. 4
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there are two ant phenotypes in the colony you are raising. you are tol…
D. 405 gold ants, 135 grey ants
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question 5 for an organism to have a have a homozygous genotype it must…
C. two of the same alleles for a given gene
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question 6 a population of chickens consistently exhibits ratios of off…
D. white feathers are recessive
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when dealing with a monohybrid cross, ______ gene(s) are being observed…
A. 1, 2
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question 2 a gamete will have ______ of a paired set of genes a one b b…
A. one
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3. why is there more than one single locus used in an actual paternity …
Using more than one single locus in a paternity DNA test increases the accuracy and reliability of the results by reducing the probability of false positives or negatives through …
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beetles of a species come in two colors: black (b) and brown (b). if a …
A. 1/4 will be brown
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research and design engineering use the information below to answer the…
a Bachelor's degree in engineering
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research and design engineering use the information below to answer the…
optimizing and enhancing critical components of the built environment
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research and design engineering use the information below to answer the…
developing efficient methods for completing projects
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select the five adjectives. dont select any articles (a, an, or the). b…
Bell - shaped, nearly, transparent, dangling, tiny, stinging
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- in the 1800s up sacramento valley native americans, mysterious figure…
B. Permanent villages were established about 8,000 years ago and the rich natural resources made the Sacramento Valley a "Garden of Eden."
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question 13 (1 point) in its role as provider of central banking servic…
D. b. and c. only.
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question 20 of 20 which statement describes a similarity between the ko…
A. Both were proxy wars in which the United States, the Soviet Union, and China became involved.
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the ideas of the enlightenment, including the concept of the social con…
People support the government in exchange for rights and protection.
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question 18 of 20 read this passage from the communist manifesto by kar…
B. Vladimir Lenin during the Russian Revolution
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the international space station is an example of competition among nati…
C. cooperation among nations
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what standards can local and national governments establish to improve …
laws for recycling, tax credits for alternative sources of energy
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the declaration of the rights of man, first drafted in 1789, is a funda…
C. the Declaration of Independence
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in the era of the seven years war and the french revolution, european n…
taxation without representation
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question 14 of 20 how did ronald reagans aggressive economic policies c…
C. Reagan’s policies forced the Soviet Union to spend more money on weapons and military commitments, exposing weaknesses within the Soviet economy.
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question 8 of 20 how has globalization most contributed to an increase …
C. Increased international contact allows diseases to spread farther and faster.
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question 6 of 20 how did mao zedong affect the political landscape of c…
D. He established a rural form of communism as an alternative to Soviet Leninism.
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question 3 of 20 francisco franco came to power after a bloody revoluti…
B. The government exerted control over its citizens' lives.
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question 6 1 pts eliana likes to keep her fingernails long. how might t…
She'll be more likely to type with straight fingers, not curved.
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question 33 of 33 how does the world trade organization promote the eco…
D. By punishing member countries for establishing barriers to trade
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question 31 of 33 how has globalization made it easier for disease epid…
D. It has allowed people infected with diseases to quickly travel great distances.
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question 28 of 33 which statement best describes both an advantage and …
D. IGOs can help solve disputes between countries but can create conflict if some members refuse to obey their rules.
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question 20 of 33 which factor best explains why the events in darfur c…
D. Ethnic factions attempted to systematically destroy each other.
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6. describe how speciation occurs when populations become isolated.
When populations are isolated, lack of interbreeding occurs. Genetic drift, mutation, and natural selection act differently on each isolated group. Genetic differences accumulate.…
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question 16 of 33 what is the primary goal of all international organiz…
B. To bring countries together to promote their common interests
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question 15 of 33 twentieth century mass killings in yugoslavia and cam…
B. the international community was more involved in stopping atrocities in Yugoslavia.
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what is one tactic the united nations uses to achieve its goals of worl…
B. Overseeing humanitarian aid efforts in countries struck by natural disasters
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cheat or lack, and a doctor far away can listen to that persons heart o…
B. Catherine patented an invention that lets doctors hear a patient’s heart and lungs.
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question 8 of 33 which feature is common to nearly all major contempora…
C. Sacred texts outlining their most important beliefs
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question 5 of 33 which action is most likely to help solve a problem as…
A. Inventing a cheap method for purifying polluted water sources
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question 3 of 33 which factor has been a major cause of mass migrations…
B. Wars and ethnic conflicts have forced people to leave their homes.
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drag each tile to the correct box. match each events with the location …
- The Union army holds Confederate forces under siege for 47 days. → Vicksburg - General Robert Lee surrenders the Army of Northern Virginia. → Appomattox Court House - General St…
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2. explain how mutations create genetic variation.
Mutations are changes in DNA. They can alter genes (which code for proteins). New or altered proteins can result in new traits. These new traits contribute to genetic variation as…
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question 36 of 43 what was one result of mao zedongs cultural revolutio…
D. China's population was forced to abandon cultural traditions.
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1. define evolution and adaptation. explain how they are related.
Evolution is the change in life - forms over generations (e.g., via natural selection). Adaptation is organisms' adjustment to the environment (genetic/behavioral). They are relat…
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multiple select question select all that apply what characteristics bes…
- Artists used strong contrasts between lights and dark. - Works of art were embellished with ornamentation.
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multiple select question select all that apply in what ways were homes …
They were highly decorated and sophisticated. ; Rocks and shell forms appeared as decorative motifs.
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what was the sexual revolution?* from the 1800s when women were taught …
None of the options provided accurately describe the sexual revolution. The sexual revolution was a broader social and cultural shift that involved changes in attitudes towards se…
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what was the sexual counter revolution? * 1 point from the 1800s when w…
from the 1800s when women were taught to be modest sexually, referred to as the Victorian Era
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1. underline the subordinate clause in this sentence. we need to conser…
Underline "while we are trying to develop alternative fuel sources".
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14. explain why biodiversity is important for ecosystem stability.
Biodiversity is important for ecosystem stability because it provides redundancy (other species can take over if one is lost), ensures all ecological niches are filled (maintainin…
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question 23 of 43 how was the vietnam war different from the korean war…
D. The Vietnam War resulted in the spread of communism throughout the country.
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question 22 of 43 how were the 20th - century independence movements in…
A. Both were led by nationalist activists who were educated outside Africa.
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many people consider shakespeare the greatest writer in the english lan…
A. Shakespeare wasn't always as popular as he is today.
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question 13 of 43 during the cold war, the non-aligned movement was mos…
B. believed both the United States and the Soviet Union manipulated and exploited their allies.
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question 11 of 43 how did the collapse of communism affect former sovie…
A. It damaged their economies by forcing them to rapidly transition to a new economic system.
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9. describe how energy flows through ecosystems and explain the 10% ene…
Energy flows unidirectionally (from producers to consumers). The 10% Energy Rule means ~10% of energy is transferred between trophic levels (due to energy loss as heat, for metabo…
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question 3 of 43 white south african leaders passed apartheid legislati…
C. restrict the rights of certain citizens based on race.
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question 2 of 48 which statement best summarizes the general experience…
C. African states won their freedom from European colonial powers using a variety of strategies.
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priya is studying the effects of high humidity on the growth of bacteri…
B. South of the Himalayas.
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read the passage from amy tans rules of the game one day, after we left…
an external conflict between the mother, who wants to show off her famous daughter, and the daughter, who feels used
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question 50 during depolarization, ______________ rushes into the muscl…
D. \(Na^{+}\) (sodium)
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question 48 a connects muscle to bone. a tendon b troponin c fascia d f…
A. tendon
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read the passage from amy tans rules of the game. my parents made many …
She wants to share in her daughter's accomplishments.
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question 47 2 points _____ is released from the sarcoplasmic reticulum …
C. calcium, troponin
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question 46 the inside of a resting muscle cell has more _______ ions w…
D. potassium
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read the passage from by the waters of babylon my knowledge made me hap…
- Being content does not always lead to growth. - Learning about the past can bring wisdom.
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during a muscle contraction, calcium ions bind to tropomyosin, and this…
B. False
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question 42 a resting membrane of a muscle cell has an overall electric…
D. negative, positive
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drag the correct tiles to the box. not all tiles will be used. identify…
Union Goal: maintain unity, abolish slavery Confederate Goal: protect the institution of slavery, maintain state sovereignty, defend home ground from enemy
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question 41 myofibrils and composed primarily of: a troponin b tropomyo…
C. actin and myosin
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the transition from steam power to coal increased productivity during t…
C. coal provided a greater concentration of energy than steam.
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which of the following accurately describes the byzantine empire under …
The laws of the empire were organized into a comprehensive collection.
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which of the following is an effect of the industrial revolution? a. lo…
B. Population increases
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multiple choice question firms that want to hire workers must pay _____…
higher
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which of the following explains why concentrations of energy sources, s…
C. The ability to control oil prices grants great political influence.
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question 37 a neuromuscular junction can be described as: a a site wher…
C. all of these
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multiple choice question firms that want to hire workers o must pay low…
must pay higher wage rates to attract them away from the alternative job opportunities available to them.
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question 33 when a muscle cell is relaxed: a the cross bridges are boun…
B. the cross bridges are unable to bind to actin
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question 32 myosin _______________ reach up and bind to a binding site …
B. cross - bridges
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question 31 what is the function of transverse tubules? a transmit a mu…
A. transmit a muscle impulse into the cell interior
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multiple choice: deep inward extensions of the sarcolemma form a tunnel…
C. transverse tubules (T - tubules)
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during the american revolution, the creek indians a remained neutral. b…
B. sided with the British.
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multiple choice: at rest, the tropomyosin molecule is held in place by:…
B. troponin molecules
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multiple choice question firms that want to hire workers must pay _____…
competitive