生物
细胞生物学、遗传学、生态学与生命科学基础。
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5. now, give an example of an evolutionary change in a realistic specie…
Name of species: Pepper - moth (Biston betularia) Type of evolutionary change: Natural selection. The change was from a higher frequency of light - colored moths to a higher frequ…
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read the excerpt from hamlet, act i, scene i. marcellus: is it not like…
that something bad is going on
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in hamlet act i scene i, which character does shakespeare use most to c…
Ghost
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what can be known about mendels five - part hypothesis? it is an answer…
It is an answer to a scientific question and is based mostly on his research.
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question 33 4 pts when using a spreadsheet, the expression =d8 - d17 is…
C. formula
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which statement best describes an understanding of genetics that would …
Some alleles are dominant, and some alleles are recessive.
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during hibernation, a bear survives for months without eating. which bi…
A. Lipids
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2.1 biomolecules practice problems select all that apply. which of the …
Bananas, Bread, Pasta
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correctly match the biomolecule to its monomer. biomolecule monomer nuc…
Nucleic Acid - Nucleotide Lipid - Fatty acid + Glycerol
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2.1 biomolecules practice problems correctly match the biomolecule to i…
Protein - Amino acid Carbohydrate - Monosaccharide Lipid - Fatty acid + Glycerol Nucleic Acid - Nucleotide
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a scientist is studying fruit fly wings. straight wings are dominant, a…
The offspring will have one allele for straight wings and one allele for curly wings.
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in a dihybrid cross for round and yellow seeds (rryy x rryy), what is t…
1:16
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a pea plant exhibits a recessive trait. which statement is most likely …
The plant has two identical alleles for the gene that codes for the trait.
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2.1 biomolecules practice problems an advertisement for a health supple…
Proteins and carbohydrates
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glaucoma is a leading cause of blindness. studies have linked a common …
a polygenic trait that is influenced by the alleles of several genes
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2.1 biomolecules - practice problems select all that apply. carbohydrat…
are a source of quick energy contain the elements carbon, hydrogen, and oxygen
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01 multiple choice select all that apply. carbohydrates - are a source …
1. are a source of quick energy, contain the elements carbon, hydrogen, and oxygen 2. they both provide an energy source
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in the pedigree that is shown, which represents irenes allele combinati…
$X^{H}X^{h}$
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47 droughts increase the probability and severity of what other dangers…
C. Forest fires
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multiple choice question which of the following definitions would be as…
Low blood sugar
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9. approximately how long ago have the dinosaurs become extinct? 10. wh…
9. Approximately 66 million years ago. 10. Iridium - rich layer in geological record, sudden disappearance of dinosaur fossils in rock strata.
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7. which event wiped out 95% of animal species in the oceans? when did …
7. The Permian - Triassic extinction event, about 252 million years ago. 8. An asteroid or comet impact (Chicxulub impact), about 66 million years ago.
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41 supercells are rotating thunderstorms referred to by what term? torn…
D. Mesocyclones
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the table below shows the percentage of shared dna among 4 species. whi…
D. Species D
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the phylogenetic tree below shows the relatedness of four species. whic…
Species A - C
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which allele combination represents a male who has an x - linked recess…
A. \(X^rY\)
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35 the structure for carbohydrates, fats, and proteins in living things…
C. Carbon
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10. what is the evidence for the mass extinction of the dinosaurs? 11. …
10. Geological evidence like the K - T boundary clay layer with high iridium content and fossil records showing sudden disappearance of dinosaur fossils. 11. New species; fossil r…
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which of mendels generations was allowed to self - pollinate? f1 genera…
A. F1 generation
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question 48 which type of carbohydrates are humans unable to digest? a …
D. Cellulose
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27 biomes closer to the equator are homes to more plants and animals th…
True
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multiple choice question what is/are located throughout the body, inclu…
D. Glands
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question 47 chemical digestion begins in the: a mouth b stomach c small…
A. Mouth
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what is the best evidence to prove that irene was heterozygous for hemo…
D. Two of her sons have hemophilia and one does not.
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question 45 1 point all of the following sphincter muscles throughout t…
D. External anal
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where is secretin released from? a pancreas b liver c gall bladder d sm…
D. Small intestine
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mary has type a blood. her son bill has type ab blood. which blood type…
B. B
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19 the energy generated through photosynthesis is an example of energy …
False
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question 43 1 point monosaccharides are absorbed from the gi tract thro…
C. Active transport
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in the f₂ generation of mendels crosses, all plants had the dominant tr…
one in four plants had two alleles for the recessive trait.
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which of thomas hunt morgans hypotheses was valid based on these result…
Female Drosophila with white eyes are homozygous recessive.
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14 living things found underground are not part of the biosphere. true …
B. False
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the results of thomas hunt morgans last cross are shown in the punnett …
White eyes are lethal in female Drosophila.
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gregor mendel used pea plants that were heterozygous for each of two tr…
Traits are passed independently of one another.
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6. what are some of the reasons proposed for mass extinctions?
Large - scale volcanic eruptions, asteroid or comet impacts, climate change, ocean acidification.
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10 the term that refers to two or more species living together in a clo…
symbiotic
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9 warm blooded vertebrates that produce milk for their young are known …
B. mammals
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question 37 which of the following is the correct order of the path thr…
D. Duodenum, jejunum, ileum
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question 34 in adults there are ____ essential amino acids a 3 b 5 c 8 …
C. 8
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why do species sometimes go extinct? give two possible reasons and expl…
1. Habitat loss: Human activities destroy natural habitats, affecting living, breeding, and food - finding. 2. Over - hunting and over - fishing: Harvesting at a rate faster than …
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which of the following is not true about earbuds? they can be wired or …
B. They are always designed to fit over your ears.
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1. what is a mass extinction? define mass extinction, which all of the …
1. A mass extinction is an event where a large number of species become extinct in a relatively short period of geological time. 2. Two possible reasons for a species to go extinc…
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read the excerpt from the time travelers guide to elizabethan england. …
Large towns are less vulnerable, being part of an international market that sees preserved foods traded long - distance, but much of the countryside is dependent on fresh food.
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8 what evidence did scientists use to indicate that large beds of green…
D. Fossils
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2. why do species sometimes go extinct? give two possible reasons and 3…
2. Possible reasons for species extinction: Habitat loss and predation. 3. Causes for extinction of New Zealand's ground - nesting birds: Human - introduced predators and habitat …
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5 which of the following is a waste product of photosynthesis? methane …
Oxygen
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read the passage from elizabethan etiquette. next, the salt cellar was …
- when the grace was said - when the salt cellar was placed - when the guests washed their hands
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which type of cytokines are responsible for producing a fever? a colony…
C. Interleukins
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which type of gastric cell secretes intrinsic factor? a mucous cell b p…
B. Parietal cell
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the site of t cell production is the: a spleen b thymus c red bone marr…
B. Thymus
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amino acids are absorbed from the gi tract through a facilitated transp…
C. Active transport
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read the passage from elizabethan women. at the time, women were requir…
marriage
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your cell phone company charges $30.00 a month plus $0.05 per text mess…
a) The number of texts you send in the month b) Your total cell phone bill c) $(0,30)$, $(100,35)$, $(200,40)$
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both \the cave of eternal night\ and \the pencil bandit\ deal with char…
(R) Both "The Cave of Eternal Night" and "The Pencil Bandit" have different story endings that contribute to the tone of each story. (A) "The Cave of Eternal Night" has a suspense…
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read the passage from elizabethan women. gold - paneled ballrooms with …
persuade the reader of the delights of Elizabethan England.
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which of the following is a counterexample for this conditional stateme…
A. a strawberry
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chemical digestion mainly takes place in the: a mouth b stomach c small…
C. Small intestine
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question 26. the tires on a car have a diameter of 27 inches. the car r…
a) 43.38
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part b - matching match the agriculture pathway with its description. 1…
1. B. Cultivation of plants for beauty/landscaping 2. D. Construction and operation of farm equipment 3. A. Care and management of forests 4. E. Plant production, biotechnology, a…
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which is an example of external conflict in lizzie bright and the buckm…
Turner does not like how his father treats him.
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which type of gastric cell secretes pepsinogen? a mucous cell b parieta…
C. Chief cell
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a bolus of fatty chyme is released into the small intestine. which of t…
B. CCK
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read this description of phippsburg from lizzie bright and the buckmins…
The town is very small, and everybody can observe and comment on what Turner is doing.
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which type of t cell is initially alerted by a macrophage displaying a …
A. Helper T cell
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bile aids in the absorption of: a proteins b carbohydrates c lipids d n…
C. Lipids
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read the excerpt from the time travelers guide to elizabethan england. …
Large towns are less vulnerable, being part of an international market that sees preserved foods traded long - distance; but much of the countryside is dependent on fresh food.
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why is biodiversity important? a) is extinction a natural process? expl…
a) Extinction is a natural process because species are constantly adapting to changing environmental conditions. When these changes occur too rapidly or are too extreme, species m…
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1. the liver produces bile, which helps to break down fats and carry aw…
1. a. It is composed of different tissues. b. It has a specific function in the body. c. It is part of at least one organ system. 2. The liver belongs to the digestive system and …
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think-pair-share read the following question or problem or visual below…
Cells are organized into tissues, tissues form organs, organs work together in organ - systems, and organ - systems make up an organism. Organelles are parts of the cell.
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reverend buckminster licked his lips. \what were you doing on malaga is…
internal
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for questions 21 - 23, complete the statement using the function $f(t)=…
21. logistic 22. limited 23. carrying capacity
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which component of saliva starts to break down carbohydrates? a water b…
C. Amylase
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a runner runs 400 meters north in 50 seconds. what is the speed of the …
8 m/s ### 2.4
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the drawing below shows half of a dna molecule. fill in the approximate…
**Part 1: Completing the DNA strand** The completed DNA strand (filling in the blanks from top - to - bottom) is: C, T, C, C, G, G, A, T, G. **Part 2: Completing the table** | Fun…
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solving the structure of dna 6. complete the table to describe each sci…
### Question 6 | Scientist | Contribution | |--|--| | Erwin Chargaff | Discovered Chargaff's rules: A=T, G = C in DNA | | Rosalind Franklin | Took X - ray diffraction images of DN…
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which statements are examples of external conflict? choose three correc…
- Fire threatens to demolish an important historic building. - Racist policies affect students in their school. - Anu faces a bully when walking home from school.
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which component of saliva starts to break down carbohydrates? a water b…
C. Amylase
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which mineral is required for electrolytes involved in the resting memb…
B. Sodium
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lesson 3: european and latin american revolutions (1790 - 1850) europea…
d. Power is shared among the major branches of government.
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solving the structure of dna 6. complete the table to describe each sci…
## Question 6: | Scientist | Contribution | |--|--| | Erwin Chargaff | Discovered Chargaff's rules (A=T and G = C in DNA) | | Rosalind Franklin | Took X - ray diffraction images o…
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question 19 which list orders peptides from largest to smallest? a poly…
# Explicación breve: Los polipéptidos son cadenas largas de aminoácidos unidos, los tripeptidos son formed por tres aminoácidos unidos, los dipeptidos por dos aminoácidos unidos y…
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what is the function of genes? chromosomes are... a gene is... organism…
Genes carry genetic information, code for proteins, determine traits, and are involved in inheritance guiding organism - development and function.
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for questions 1 - 5, complete each statement by writing in the correct …
1. nucleotides 2. deoxyribose; phosphate group; nitrogen - containing base 3. adenine; thymine; cytosine; guanine 4. hydrogen 5. covalent
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question 17 amino acids differ based on: a their peptide bonds. b their…
D. their side chain
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lesson 3: european and latin american revolutions (1790 - 1850) europea…
B. Maintain a balance of power, C. Restore Europe's royal family to power
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lesson objectives identify the chemical components of dna. discuss the …
1. nucleotides 2. deoxyribose; base 3. adenine, guanine, cytosine, thymine 4. nucleotides 5. covalent
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1. look at the title. what do you expect to learn from this diagram? 2.…
1. One might expect to learn about the processes and mechanisms related to human body temperature regulation, such as what body parts are involved, what actions they perform, and …
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dolbears law states the relationship between the rate at which snowy tr…
increases
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is the following conditional true? if an animal is a vertebrate, then i…
yes
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question 11 which substance is not involved in protein digestion? a pep…
C. salivary proteases