生物
细胞生物学、遗传学、生态学与生命科学基础。
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what is an example of many genes contributing to a continuum of phenoty…
polygenics
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what is an exception to mendels theory of inheritance in which a single…
B. pleiotropy
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what is the opposite of polygenic inheritance, in which a single gene h…
D. pleiotropy (assuming the options are labeled A - D as codominance (A), epistasis (B), polygenics (C), pleiotropy (D))
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what best describes a deadly combination of alleles in which the homozy…
C. a lethal allele
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what can an epistatic gene of one locus do to the effect of a gene of a…
It can mask the gene's effect.
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a chicken with black feathers (bb) is crossed with a chicken with white…
All of the offspring have the genotype \(BW\)
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a chicken with black feathers (bb) is crossed with a chicken with white…
All offspring have the genotype \( BW \)
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a chicken with black feathers (bb) is crossed with a chicken with white…
The genotype of the offspring is \(BW\) for all four squares (1, 2, 3, 4) in the Punnett square.
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explain incomplete dominance, using snapdragon flowers as an example.
In snapdragon flowers, red (RR) and white (rr) parents produce pink (Rr) offspring due to incomplete dominance, where neither allele fully masks the other, resulting in an interme…
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explains traits that are neither dominant nor recessive, resulting in a…
Incomplete dominance
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explains inheritance resulting in two dominant alleles being expressed …
Codominance
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12 which of the following foods would not likely lead to increased ldl …
12. A. Avocados 13. D. Cholesterol is used to move oxygen through the body. 14. C. 11g, 2g, 0g 15. B. 44g 16. (Note: The options provided do not include 90, which is the label val…
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online questions: 1. a trans fatty acid is one ____. a. that has no car…
1. C. in which the hydrogens attached to adjacent carbons in a carbon-carbon double covalent bond are on opposite sides of the molecule. 2. A. essential 3. C. Margarine 4. E. High…
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question 7 the liquid mixture of food, water, acid, and enzymes in the …
Question 7: D. chyme Question 8: D. pancreas
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andrea enjoys running. she keeps a daily journal to record how far she …
\(14.225\)
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question 5 a_____feedback loop tends to counteract a physiological stim…
Question 5: A. negative Question 6: C. protein
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question 3 what human organ system filters wastes from the blood and ke…
Question 3: D. urinary system Question 4: B. tissue.
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question 1 one way to generate heat is through _. a vasoconstriction. b…
Question 1: C. shivering. Question 2: A. cells, tissues, organs, organ systems.
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question 13 1 pts factors that can put a child at risk for later negati…
D. All of the above
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questions 15 and 16 refer to the following. researchers investigated th…
C. The frequency of enzyme - substrate interactions increased until all of the active sites were interacting with substrate.
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questions 15 and 16 refer to the following. figure 1 rate of an enzyme …
A. Measure reaction rates at different pH levels when the enzyme concentration remains the same and the substrate concentration is 100 μM.
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figure 1. change in energy over the course of four chemical reactions 1…
A. Line 4 represents ATP hydrolysis, and line 1 represents phosphorylation of a substrate.
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melanocytes are skin cells that produce pigments and develop into a can…
D. Oxygen accepts electrons in oxidative phosphorylation, a process necessary for melanoma cell survival.
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using light - filtering cloths, scientists exposed sage plants to four …
A. At 100% light intensity, the rate of photosynthesis was higher in plants that were treated for 60 days than in plants that were treated for 75 days.
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figure 1. effect of light intensity and growth period on the rate of ph…
A. At 100% light intensity, the rate of photosynthesis was higher in plants that were treated for 60 days than in plants that were treated for 75 days.
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the wave action created by muscle contractions that functions to move t…
1. B. peristalsis 2. B. Lipase 3. D. Salivary glands and pancreas 4. B. Stomach
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figure 1. effect of light intensity and growth period on the rate of ph…
D. At 25% light intensity, the rate of photosynthesis was higher in plants treated for 75 days than it was in plants treated for 60 days.
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using light - filtering cloths, scientists exposed sage plants to four …
A. At 100% light intensity, the rate of photosynthesis was higher in plants that were treated for 60 days than in plants that were treated for 75 days.
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newborn babies and hibernating animals contain a large amount of brown …
C. Electron transport and oxidative phosphorylation will be decoupled, generating more heat but less ATP
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jewish immigration to america the first two centuries though not repres…
pursuit of religious freedom
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jewish immigration to america the first two centuries though not repres…
Fears of European dictators drove Jews to the U.S. as refugees.
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jewish immigration to america the first two centuries though not repres…
by providing an alternate destination to the U.S. for Jewish immigrants
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jewish immigration to america the first two centuries though not repres…
their shared religious practice
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to investigate bacterial metabolism, a researcher divided a population …
B. pH
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value: 10 match the items. a. endothermic b. ectothermic 1. mammals and…
1. a. Endothermic 2. b. Ectothermic 3. d. Hypothalamus 4. d. tissue
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what function do capillaries serve in the cardiovascular system? a. car…
C. help control body temperature
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the figures below illustrate the similarities between atp synthesis in …
A. Do electron transport chains create a gradient so that ATP synthase can generate ATP molecules?
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a scientist performed an experiment to test the ability of chloroplasts…
A. The difference in pH created a proton gradient that enabled protons to pass through ATP synthase, allowing it to produce ATP.
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(from unit 3, lesson 4.) 7. name a unit of measurement that is about th…
a. meter b. millimeter c. milliliter d. kilogram e. centimeter f. ton g. liter h. gram i. liter j. decimeter
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questions 2 and 3 refer to the following figure 1. effect of light inte…
D. Algae performing photosynthesis release O₂ into the solution, increasing pH
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questions 2 and 3 refer to the following figure 1 effect of light inten…
D. Algae that are exposed to 100 μmol m⁻² s⁻¹ of light have a greater rate of photosynthesis than of cellular respiration over time
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a soccer team made $575.75 from selling popcorn at a concession stand d…
$34.05
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read the excerpt from gilgamesh: a new english version gilgamesh felt h…
He demonstrates bravery and takes risks.
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read the passage from \two kinds.\ \you want me to be something that im…
an internal conflict within the narrator, who is frightened by the extremity of her anger at her mother; an external conflict between the narrator, who is demanding independence, …
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what is a gene? the different forms of a trait a segment of dna that is…
a segment of DNA that is the basic unit of heredity
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the concept of evolution by way of natural selection is a central tenet…
an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation
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when mendel crossed purebred purple flowering plants (pp) with purebred…
100 percent purple
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which of the following would you expect a woman to be able to do if she…
A. hold a difficult ballet pose
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consider this claim: prescription drugs should not be advertised direct…
According to a study published in a medical journal, fifty-five percent of the claims made in drug ads to consumers were considered "potentially misleading" and two percent were "…
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allowed al - lowed uh - loud middle english, anglo - french, old french…
Jorge’s cell phone gave him driving directions aloud.
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the offspring of a particular cross are 100 percent heterozygous for th…
TT ` tt
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two plants are heterozygous for seed shape and have round seeds. if the…
25 percent
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read the passage from by the waters of babylon. it is not true what som…
He learns that there is nothing supernatural to fear in the destroyed city.
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a dihybrid cross is created from plants that are heterozygous for both …
C. \(9:16\)
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each kernel of corn on a single ear can inherit a different set of alle…
law of independent assortment
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fff: available 3d modeling software use the information below to answer…
online format
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purple flowers are dominant over white flowers. a heterozygous purple f…
A. \(3:1\)
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pedigree test background information the pedigree below shows the inher…
Mode of inheritance: Recessive Evidence: 1. Unaffected parents (III - 1 and III - 2) have an affected child (IV - 1). 2. Affected individuals (e.g., II - 2) have unaffected siblin…
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photosynthesis ____ carbon dioxide levels in the atmosphere ○ a. increa…
1. b. decreases 2. a. increases 3. a. increase 4. a. increase in \(CO_2\)
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what is the main function of nitrogen fixing bacteria? a. convert n2 in…
A. Convert N2 into Ammonia
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what percentage of energy form one tropic levele is avaliable to the ne…
B. 10%
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what is the most productive terrestrial biome? a. temperate grassland b…
e. Tropical Forest
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which factor(s) has the biggest influence on the flora and fauna of a t…
C. Precipitation and temperature
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identify the dependent variable in the provided graph. fertilizer effec…
Grass growth
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dans les phrases suivantes, les homophones ces, ses, cest, sest, sais o…
1. Il sait faire la cuisine, le ménage, et ses tout ce qu'il fait. 2. Janot s'est enfui en voyant ton chien, tu sais bien qu'il en a peur. 3. C'est qu'il est en train de dépenser …
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put the fossils in order from earliest (oldest = 1) to most recent (you…
1. Trilobite 2. Synapsid 3. Ptilophyllum 4. Archaeopteryx 5. Triceratops 6. Lucy 7. Skate
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value: 4 the dna of humans and chimpanzees is 92% the same. this is ___…
B. genetic
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value: 4 homologous structures have the same a. bone structure b. funct…
a. bone structure
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the diagram shows that rabbits are most closely related to a. amphibian…
d. primates
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complete the sentence using one of the following words: heterozygous, h…
homozygous
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carbon monoxide binds to the same location on the hemoglobin as oxygen.…
Carbon monoxide binds to the same location on hemoglobin as oxygen but has a much greater affinity, so it blocks oxygen from binding to hemoglobin, preventing red blood cells from…
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mendels results helped darwin develop his theory of evolution
FALSE
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in mendels experiments, gg is considered what genotype? a pod color b h…
b. heterozygote
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the law of independent assortment states that separate for separate tra…
that
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what is an example of a recessive trait in pea plants? a green pods b y…
c. white flowers
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the law of segregation states that every organism possesses a pair of, …
alleles
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data: questions: 1. which was more reactive - water or hydrogen peroxid…
1. Hydrogen peroxide 2. No; they have different numbers of oxygen atoms, so reactivity differs. 3. Oxygen bonds to hemoglobin in red blood cells, which carry it to body cells. 4. …
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homozygous dominant and heterozygous organisms for a specific trait hav…
phenotype
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mendels — law states that genes controlling different characteristics a…
c. Second
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what is an organism with two of the same alleles of a gene for a trait …
a. homozygous
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images that make the reader question whether the girl only imagined the…
A. assonance, consonance, internal rhyme, rhythm
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liquid nitrogen is used in laboratories to store cells at very cold tem…
-346°F
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doubling time is how long it takes a population to double. if the popul…
It will be short.
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4. true or false: thanks to the neolithic revolution, several independe…
B. False
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as you arrive at the patients site, you assign individual roles, ensuri…
- Assesses the patient and provides compressions: Compressor (or the team member assigned to chest compressions and patient assessment) - Operates the AED and alternates with the …
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question 52 peristalsis is defined as a mixing movement that results in…
B. False
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business and industry connection use the information below to answer th…
rigorous physical fitness requirements
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business and industry connection use the information below to answer th…
seek freelance opportunities or contribute to school publications
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question 12 t - cell activation requires a the presence of an antigen -…
A. The presence of an antigen - presenting cell
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business and industry connection use the information below to answer th…
engaging with professionals in the field
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question 1 of 12 an effective compliance program helps reduce the risk …
C. A structured process for all Emory administration, medical staff, employees, etc. to follow, including internal policies ### Question 2 of 12
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stem use the information below to answer the question. stem - related c…
civil engineering
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stem use the information below to answer the question. stem - related c…
environmental science
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stem use the information below to answer the question. stem - related c…
studying plants, animals, and ecosystems
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a journalism student in logan county has been keeping statistics on the…
The Logan County Register
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apply the simulation to the real world researchers can genetically sele…
What is the effect of crop selection for pest resistance on the toughness of lettuce leaves?
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apply natural selection to genetic engineering compare and contrast gen…
A. By selecting the genetic information that is passed on to future generations, genetic engineering is similar to natural selection. C. By selecting the genetic information that …
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which of the following most accurately describes the two main sources o…
B. Blood and other potentially infectious material (OPIM)
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add a comma or semicolon if needed. otherwise, submit the text without …
Scientists believe tornadoes form due to high relative humidity and significant wind changes in the lowest regions of the atmosphere; furthermore, tornadoes only form if downdraft…
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fff: available 3d modeling software use the information below to answer…
They are available on laptops, tablets, and cell phones.