Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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this drawing by jacques-louis david from the french revolution depicts …
D. All of the above
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what is the function of the system in the following image? exchanging c…
Exchanging carbon dioxide and oxygen
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in the cross li x li, you identified the phenotypic ratio as 3 long win…
D. \(1LL:2LI:1II\)
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question 3 of 10 how did the industrial revolution motivate europeans t…
B. Europeans hoped to find natural resources to produce goods in factories.
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question 1 of 10 how did the railroad influence european colonial power…
D. It allowed them to move people and goods rapidly from place to place.
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which of the following best describes the neoclassical style? select on…
C. Subjects and themes from classical antiquity, idealized bodies, meticulous brushwork and emphasis on line, heroism, complex iconography
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evidence of evolution: molecular biology what are vestigial structures?…
- Vestigial structures: Remnants of once - functional organs/structures from ancestors. - Homologous structures: Anatomical features with common evolutionary origin (same basic st…
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the international space station (iss) orbits earth at an altitude of 4.…
D. \(7.66\times 10^{3}\text{ m/s}\)
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add commas, semicolons, or colons if needed. otherwise, submit the text…
Zinc is a trace element found in the pancreas, where it may help store insulin; in the gastrointestinal tract, where it's a part of enzymes that digest protein, and in red blood c…
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which structure of a flower releases pollen? anther sepal pistil ovary
anther
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the diagram shows how a plant grew after being turned on its side. in w…
Z
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soney listed two structures found in seedless vascular plants. 1 - stem…
1 - stalks; 2 - rhizoids
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when buildings collapse, it is extremely difficult to safely locate and…
It is dangerous to search inside collapsed buildings, but cockroach - like robots can go places where human searchers can't or shouldn't.
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what would most likely be impossible in plants without turgor pressure?…
standing upright
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which are characteristics of horsetails? check all that apply. they hav…
They have xylem and phloem. ; They have true roots. ; They grow near water.
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question 10 of 10 which factor played the most significant role in the …
C. European countries used superior military technology to capture most Mughal territory.
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hans: where are the lipopolysaccharides found? a) the outer membrane of…
A. The outer membrane of Gram - negative bacteria
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which characteristic do gnetophytes and cycads have in common? o are al…
may grow in tropical climates
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hans where do we find the teichoic acids? a) both gram - positive and g…
B. Gram - positive bacteria
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hans: why is the bacterial cell wall of such great importance? a) the c…
D. All answers are correct
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the plants shown bloom in summer. which statement explains why the plan…
The nights are shorter.
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which characteristics belong to angiosperms? select four options. vascu…
vascular tissue, roots, fruits, flowers
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12 multiple choice 1 point which of the following is the best way to re…
Tell me three interesting facts about rainforest animals.
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(01.01 mc) which of the following questions can be answered by science?…
A. Is fruit ripening dependent on the type of light the fruit is exposed to?
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what is the best strategy to reduce the risk of ai hallucinations when …
C. Be specific in your prompts, check responses for accuracy, and verify facts with external sources.
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hans: did you pay attention? what is the outcome of a well-executed gra…
D. Gram - positive appear purple, and Gram - negative appear pink
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how long does it take to perform and analyze the gram stain? a) 48 hour…
c) A few minutes
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what is the gram stain method? a) staining method used to identify the …
C. Staining method used to differentiate bacterial species into two groups
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question 18 of 20 how were the american revolution and the french revol…
A. The American Revolution succeeded in establishing a long - term representative government, while the French Revolution eventually produced a dictatorship.
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question 17 of 20 which statement best summarizes the outcome of the ha…
C. Haitian rebels defeated the French military and established a new country free of slavery.
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read the following excerpt from the writings of a latin american revolu…
B. Political liberty
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question 15 of 20 which of the following was a major cause of the 19th …
B. The success of revolutions in the United States and France
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how did william wilberforce and olaudah equiano contribute to the aboli…
A. They worked with the abolition movement in Great Britain to help change opinions and laws on slavery.
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question 12 of 20 how did thomas jefferson influence the development of…
D. He used Enlightenment principles to explain why the United States was demanding its independence.
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question 10 of 20 which pair of sentences best completes the diagram sh…
B. (1) The National Constituent Assembly proposes a new constitution. (2) French leaders end the Reign of Terror and condemn its leaders.
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question 6 of 20 which of the following was not a factor contributing t…
B. Spain’s attempt to expand north from Florida into the British colonies
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question 18 1 pts nature. __________ isolating mechanisms include impro…
postzygotic
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which agency is responsible for providing a credit report? credit repor…
Credit Reporting Agency
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question 4 of 20 which statement best summarizes the process of the abo…
B. Abolitionists were only able to reach their goal after many violent conflicts.
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question 3 of 20 examine the map below. in which of the following locat…
B. Region B
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question 34 a clear distinction between therapeutic cloning and reprodu…
The embryo is implanted into a surrogate mother in therapeutic cloning (Incorrect. This is the case for reproductive cloning). Embryonic stem cells are harvested from the early em…
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question 50 1 pts when only a very few individuals give rise to a new p…
founder effect
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question 1 of 20 which of the following describes a major difference be…
A. The Haitian Revolution sought to end racial inequality, while the American Revolution permitted it to continue.
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question 46 changes in dna and genes are introduced into populations th…
mutation
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question 8 of 10 describe how the industrial revolution affected the ro…
A. It offered women the opportunity to work outside the home.
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when selection operates to eliminate intermediate phenotypes, it is ref…
disruptive selection
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question 7 of 10 which of these milestones for womens rights occurred f…
B. Olympe de Gouges wrote the Declaration of the Rights of Woman and of the Female Citizen.
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question 41 in small populations, gene frequencies can change drastical…
genetic drift
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fill in the blank question an increase in cost between two alternatives…
marginal
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question 7 · 1 point a solution that a patient needs for medical treatm…
A. isotonic
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question 40 over time, the same bones in related vertebrates were put t…
homologous structures
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question 38 the notion that organisms that are more distantly related s…
a molecular clock
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extra credit (2 pts): which pair of chromosomes in a normal karyotype i…
In a normal human karyotype, the 23rd pair (XY in males) is not homologous.
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question 10 dominant phenotypes are always the most commonly seen in a …
False
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if only males are affected in a pedigree, what is the most likely inher…
X - linked recessive
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the following individual has huntington disease. what is his genotype? …
C. \(Hh\)
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if an external stimulus is acting to increase the ph of blood (making t…
\(H^+\)
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based on the karyotype below, what inherited syndrome would you make as…
Down
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question 33 during ____, dna fragments are separated based upon size ○ …
Electrophoresis
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question 5 what is the genotype of an individual that exhibits an autos…
Either AA or Aa
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question 32 dna extraction is done with: can not be done centrifugation…
Detergent and alcohol
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what are the products (things created) of photosynthesis? 6 carbon diox…
Glucose, 6 Oxygen
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two normal parents that carry the gene for cystic fibrosis have a child…
25%
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all of the dna and genes of an organism constitute its o proteome o gen…
Genome
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question 3 genes located on the sex chromosomes but do not affect gende…
C. X - linked
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question 29 mitochondrial genomics follows the: o paternal lineage the …
maternal lineage
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question 2 1 pts a _ shows the inheritance pattern of a genetic disorde…
pedigree
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the odyssey and epic poetry: an introduction, part 1 instruction active…
- **Epic Poetry**: a long journey, supernatural elements, formal language, a hero - **Not Epic Poetry**: everyday events, informal language
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which of the following best explains why countries joined the north ame…
D. Promote production and sales among member nations
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without ______, countries would be limited to consuming only the goods …
C. international Trade
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question 28 gmo crop plants are made resistant to insect pests by coati…
Inserting the Bt protein gene into the plants genome.
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if an external stimulus is acting to increase the ph of blood (making t…
\(\ce{H+}\)
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question 27 1 pts genetically engineered organisms that carry foreign g…
Transgenic
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question if an external stimulus is acting to make the blood more acidi…
\(H^{+}\)
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question 26 when researchers wish to make multiple copies of a section …
Polymerase chain reaction (PCR)
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an international alliance involving many different countries serving a …
D. Intergovernmental organization
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question 25 small circular molecules of dna in bacteria that are used i…
Plasmids
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question 24 explain how gene therapy works the healthy gene is inserted…
The healthy version of the gene is introduced into the patients genome.
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question 23 dolly the sheep was successfully cloned from an adult somat…
Reproductive cloning
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question 22 1 pts to place a gene into a vector you need to cut the vec…
Restriction enzymes
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a biologist monitors the fish population in an aquarium. there are 400 …
\(t = 49.5\approx50\)
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question 21 dna sequencing has become too expensive for personal use tr…
False
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question 20 in therapeutic cloning, why are the embryonic cells used to…
The embryonic cells are cloned from the same individual they are injected into.
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1. which organism (grass, prairie dog, ferret, or fox) do you think is …
1. Grass 2. Prairie dog 3. Ferret; Fox
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question 15 to turn the lac operon off, a regulatory protein called a(n…
repressor
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question 14 due to_____, the 20,000 - 25,000 genes of the human genome …
alternative splicing
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question 12 which of the following is correct about the genetic code? o…
all living things use the same genetic code
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in eukaryotes, transcription takes place in the ______ and translation …
nucleus; cytoplasm
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question 9 1 pts the process of bringing the appropriate amino acid int…
translation
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what is the density of the cube? density = \\frac{mass}{volume} this is…
The density of the cube is \( \frac{1}{3}\text{ g/cm}^3\) (or approximately \(0.33\text{ g/cm}^3\)).
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question 8 1 pts which of the following does not need to occur to eukar…
it reaches puberty
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question 7 in eukaryotes, the portions of mrna that will leave the nucl…
exons
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question 6 what molecule transfers amino acids to the ribosome? trna mr…
tRNA
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question 5 which is correct about dna replication dna replicates in a c…
the place where the parent DNA becomes unzipped and replication begins is called the replication fork
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question 4 the enzyme____unzips and unwinds the dna molecule o helicase…
helicase
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question 3 if an error is made during dna replication, mechanisms of dn…
False
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question 1 1 pts biochemist erwin chargaff found that in dna there was …
A. T, C. T
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edit a verb, if necessary, to make sure the sentence is in the present …
The actors pose for photographs whenever Edna Krabappel and I bring our cameras to the theater.
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question 4 a sample of raw, unpasteurized milk is tested for its bacter…
\(2.82\times10^{9}\) cells per mL (the first option)
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instructions: in preparat exercises #21 regarding serial dilutions. que…
All of these options are correct.