Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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question 7 of 10 which development most contributed to the start of the…
B. The availability of inexpensive steel
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why was the development of the bessemer process important to great brit…
B. It enabled railroad companies to build rails out of steel instead of iron.
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question 4 of 10 how did the industrial revolution change the textile i…
B. By allowing fewer workers to produce more textiles than ever before
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multiple choice: write the letter of the correct answer next to the que…
C. heredity
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question 2 of 10 which action is most similar to one taken by great bri…
C. A company prevents its employees from discussing new products with anyone outside the company.
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question 1 of 10 what was one major effect of the spread of railroads t…
A. Companies were able to quickly ship raw materials to factories over greater distances.
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what does a diagram showing carbon cycling between land and ocean envir…
1. Both terrestrial and aquatic cycles operate together 2. Particulate matter 3. Water pollution
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increased industrialization will most likely... * decrease available ha…
- First question: Decrease available habitats - Second question: Decomposers use it for energy and release carbon dioxide - Third question: Tree farm
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which of the following best describes the term biological magnification…
- For the first question: The buildup of non - biodegradable chemicals in consumers as they are passed up the food chain - For the second question: All of the above
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ll.7 identify infinitives and infinitive phrases select the infinitive …
The infinitive is "to measure" and the infinitive phrase is "to measure Americans' interest in soccer".
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barnacles sometimes live on the outside surface of other larger shelled…
- First question: B. Commensalism - Second question: C. Competition - Third question: C. Mutualism
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this diagram shows a food chain from bylot island, a tundra ecosystem i…
It eats a consumer.
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this diagram shows a food chain from a grassland ecosystem in wyoming. …
It makes its own food.
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both yellow journalism and the explosion on the battleship maine contri…
to protect U.S. investments in Cuba
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this diagram shows a food chain from chesapeake bay, an estuary ecosyst…
It eats a primary consumer.
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this diagram shows a food chain from the river frome, a freshwater ecos…
It eats a secondary consumer.
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most of the individuals in a small, isolated population of alpine plant…
evolution, genetic drift and a genetic bottleneck
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in a population of lizards found on an island, 99% have straight tails …
Genetic drift
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which of the following examples includes a genetic bottleneck? overhunt…
Overhunting of the American bison caused the population to decrease from millions to a few hundred by the late 1800's. Conservation efforts brought the population back up, but the…
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a volcano wipes out the majority of the members of a population of mice…
Evolution
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atural selection decreases genetic variation in a population.\ this sta…
sometimes true
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the dotted lines represent the population before natural selection acts…
X
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the graph shows the distribution of height in a population of animals. …
Both A and C
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beak size in ground finches____ is a quantitative trait. is controlled …
is a quantitative trait.
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which of the following statements is true? complex traits can be lost o…
Complex traits can be lost over time as a result of natural selection.
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natural selection does not cause a change in the average value of a tra…
disruptive selection
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5 multiple choice 1 point each of the following was part of lincolns pl…
- **Question 5**: B. The land of plantation owners should be confiscated and redistributed to the freedmen. - **Question 6**: B. Moderates did not see the need for a social revolu…
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the candles flickered as the wind howled through the cracks of the cabi…
1. B. It builds suspense by showing the eerie atmosphere of the cabin. 2. D. 'He forced himself to write—each line a promise that fear would not keep him from finishing his novel.'
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7 multiple choice 1 point what is the significance of the decision not …
- **Question 7**: It upheld the role of the president as the leader of an independent branch of government that could not be controlled by Congress. - **Question 8**: Moderates di…
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7.) is it possible for two parents with round jaws to have a child with…
Yes. If parents are heterozygous for jaw shape (carry recessive allele for square jaw), through Mendelian inheritance (Punnett square analysis), there's a 25% chance of a child wi…
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question 4 classify the three occurrences of disease as either an epide…
- Ebola: Epidemic - Dengue fever: Endemic - COVID - 19: Pandemic
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9. chargaffs rule states that the dna of any species contains equal amo…
9. adenine; thymine; guanine; cytosine 10. adenine; thymine; guanine; cytosine
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conclusion questions: look back at the examples and answer the followin…
No, it is not possible. Because parents with square jaw (recessive trait) have only recessive alleles to pass on. Their child will inherit two recessive alleles, resulting in a sq…
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biology i: unit 2 (a dna mastery unit) - works 1. what do the letters d…
6. Purines have two rings in their structure, and pyrimidines have one ring in their structure. 7. a. Adenine; b. Guanine 8. a. Thymine; b. Cytosine
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4.) tongue rolling in humans f = can roll tongue f = cannot roll tongue…
- \(FF=\frac{1}{4}\times100\% = 25\%\) - \(Ff=\frac{2}{4}\times100\%=50\%\) - \(ff=\frac{1}{4}\times 100\%=25\%\) - Cannot roll tongue: \(25\%\) Chance - Can roll tongue: \(75\%\)…
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the eastern siberian taiga is a large forest that covers more than a qu…
It has many evergreen trees. It has soil that is poor in nutrients. It has long, cold winters and short, cool summers.
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the great basin desert is a cold desert ecosystem in the western united…
- It has a small amount of rain or snow. - It has long, cold winters. - It has dry, thin soil.
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peary land is a tundra ecosystem in northern greenland. it is part of n…
It has soil that is frozen year - round. It has mostly small plants.
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bodins discussion of tyrannical and despotic monarchies reflects which …
A. The concentration of power in increasingly centralized governments
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label the two cell parts on the diagram below.cytoplasm vacuole cell me…
Top label: cell membrane; Bottom label: cell wall.
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bodins assertions about a legitimate monarchy are best understood as an…
C. The development of new ideas concerning the value of secular systems of government
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which of the following is not a computer science specialization? * 10 p…
Critical Thinking Skills
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question 3 briefly explain one factor that contributed to the emergence…
The Scientific Revolution inspired rational thinking and empirical methods, which were applied to various aspects of society during the Enlightenment.
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a cell with mutated dna may not be able to produce proteins accurately.…
uncorrected DNA replication errors, chemicals in some pesticides, exposure to X - ray radiation.
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which type of dna mutation results in a change in the reading frame of …
deletion of a single nucleotide
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question 13 of 15 some mutations do not affect the amino acid sequence …
C. The codon containing the mutation may still specify the original amino acid.
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connecting motive to deeper meaning in the odyssey he had in wizardry a…
Epic heroes can have qualities that one would expect only a supernatural being to have.
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why are linked genes often inherited together? ○ linked genes physicall…
Linked genes are close together on the same chromosome.
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select all that apply what technological advances were made during the …
hoes and sickles for farming, millstones for grinding flour
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which of the following is a reliable source for academic research? a pe…
1. A peer - reviewed journal article 2. Main points, supporting evidence, and counterarguments
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consider the excerpt and theme from gilgamesh: a new english version. g…
Friendships are supportive relationships.
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how did mendel use self - pollination and cross - pollination technique…
By cross - pollinating a parental generation of plants with different - colored flowers and allowing the \(F_1\) generation to self - pollinate, Mendel observed the basic patterns…
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use the following vocab terms to complete each sentence. diplomacy, for…
1. foreign policy 2. interventionism 3. isolationism 4. diplomacy
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what ancient greek beliefs about gods are prevalent in the iliad of hom…
- Gods live forever. - Gods have supernatural strength. - Gods intervene in human affairs.
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multiple choice 1 point acknowledging privilege can pose a meritocratic…
One's ability to internally attribute their success is challenged
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multiple choice questions: choose the correct answer from the choices f…
6. C. The American Revolution 7. C. New York 8. C. Leading the U.S. through the Great Depression and World War II 9. B. No 10. B. Statues and quotes
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question 2 of 10 how does a gene affect the traits of a human? a. the g…
D. The gene allows the body to produce a protein.
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question 1 of 10 what happens right before rna polymerase begins to wor…
D. The DNA double helix unwinds
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question 10 of 10 how are viruses different from bacteria? a. viruses c…
A. Viruses cannot survive outside a host.
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question 8 of 10 which best describes how the common cold spreads in th…
B. Viruses inject DNA into bacteria, which are killed.
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question 7 of 10 which best describes a rhinovirus? a. a piece of dna t…
C. A virus that causes a common cold
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question 6 of 10 the bacteria in a colony are unable to perform conjuga…
B. The bacteria in the colony would be genetically too similar.
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question 5 of 10 how are the lysogenic and lytic cycles different? a. t…
C. The lytic cycle causes disease.
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question 4 of 10 which best describes a bacterium? a. a type of virus b…
C. A unicellular prokaryote
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the excerpt is from a discussion board for an online class. daniel: i t…
Daniel and Larissa
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question 3 of 10 which best describes conjugation in bacteria? a. bacte…
A. Bacteria inject DNA into another cell.
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question 2 of 10 why would a drug that damages capsids help treat a vir…
C. Without capsids, viruses could not replicate.
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why are viruses considered to be nonliving? a. they have no genetic mat…
C. They cannot reproduce without a host cell.
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which helps prevent errors in dna replication? a. each base can attach …
A. Each base can attach to only one other type of base.
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question 9 of 10 which best describe the structure of dna? a. base back…
C. Sugar - phosphate backbones with bases on the inside
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question 8 of 10 which shows a correctly paired dna molecule? a. tct ga…
D. TCT CG AGA GC
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question 7 of 10 when is dna replicated in a cell? a. during the g phas…
B. During S phase
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question 6 of 10 which of the following would cause an error in dna rep…
D. The original DNA strands never being separated
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before responding to an e-mail from another student in an online course…
proofread the message.
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question 5 of 10 what is the role of the dna ligase in dna replication?…
D. It ties the chunks of DNA together
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question 4 of 10 which describes the correct pairing of dna bases? a. a…
C. A with T, and C with G
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8. what was the name of jeffersons estate? o a) mount vernon o b) montp…
C. Monticello
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who made the official decision to downgrade pluto from a planet to a dw…
A. The International Astronomical Union
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thomas jefferson: his life, legacy, and memorial thomas jefferson was t…
1. Declaration 2. Monticello 3. Jefferson 4. third 5. slave
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describing incomplete dominance and codominance which statement best de…
In codominance and incomplete dominance, neither of the alleles are dominant.
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exercices : fait lanalyse de chacune de ces fonctions. lexpérimentation…
- **Croissant** : sur l'ensemble de l'intervalle de temps représenté. - **Minimum** : atteint au début de l'expérience (temps proche de \(0\)). - **Maximum** : \(73\) bactéries à …
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review the thirty - first and thirty - second paragraphs. longer labore…
She would prefer to let her dad and Allison be happy than to uncover their past.
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5. which of these happened after pythons became a problem in florida? *…
B. Owners became educated about pythons.
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read the story. the correspondent 1 there was a longstanding mystery in…
She thinks her dad is hiding something from her.
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in the chemical equation for photosynthesis, carbon dioxide and water a…
light energy
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4. which evidence best explains why pythons are spreading beyond the ev…
C. Pythons can swim and move well on land.
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what is the source of the carbon dioxide that is used in photosynthesis…
the atmosphere
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3. one of effect of pythons in the everglades is * a. they can grow to …
B. they put endangered animals at greater risk
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2. which of these has caused burmese pythons to be found in the florida…
a. pet owners who let them go
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how do atp and nadph connect light - dependent and light - independent …
ATP and NADPH are produced in the light - dependent reactions and used in the light - independent reactions.
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which process occurs during the light - dependent reactions in photosyn…
Water molecules are split.
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which is required for the light - dependent reactions in photosynthesis…
\(H_2O\)
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which is an important difference between light - dependent (l - d) and …
The L - D reactions require light energy and water, and the L - IND reactions require ATP, NADPH, and \(CO_2\) (the second option).
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4. complete the ratio table t - shirts 2 6 10 cost ($) 10
The completed table has \(30\) in the second cost cell and \(50\) in the third cost cell.
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what is one role of atp in the light - independent reaction of photosyn…
ATP supplies the energy to produce glucose and other carbohydrates.
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which is the best hypothesis for the scientific question \how does ligh…
If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.
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which compound is a metabolic intermediate of the light - independent r…
PGA
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in which type of environment are plants most likely to use a c4 pathway…
hot and dry
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sort the elements into the correct categories. a long journey supernatu…
- **Epic Poetry**: a long journey, supernatural elements, formal language, a hero - **Not Epic Poetry**: everyday items, informal language
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lactose (milk sugar) is a carbohydrate that is formed by combining gala…
disaccharide