生物
细胞生物学、遗传学、生态学与生命科学基础。
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photosynthetic gases in green algae? o a o b o c o d
C. Photosynthesis, Respiration
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question 3 which of the following is not a use of polymerase chain reac…
separating DNA and RNA
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.question 2 1 pts the technique used to separate charged molecules on t…
gel electrophoresis
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5. tom mckean, like other lads of sixteen, ran away from home in 1776 t…
Tom McKean is a Federalist. Reasons: He witnessed the problems (Shays' Rebellion, "Spanish - Indian Conspiracy") that a weak central government (under the Articles of Confederatio…
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the reactants of photosynthesis are multiple choice glucose and water. …
water and carbon dioxide.
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4. patrick oneil was born in hanover county, virginia. he was largely s…
Patrick O'Neill is an Anti - Federalist. Reasons: - He was a champion of popular rights. - He thought the rights of the people must be protected from all privileged classes (which…
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select the three statements that describe how all food comes from a pro…
B. Plants use energy from the Sun to make sugars. D. Some animals eat plant - eating animals for energy. E. Some animals eat plant matter for energy.
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question 1 1 pts the use of artificial methods to modify the genetic ma…
genetic engineering
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the monkeys paw www.jacobs • 1902 www. jacobs (1863 - 1943) was an engl…
D. informal
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the primary photosynthetic pigment is multiple choice chlorophyll phyco…
chlorophyll
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which of the following is not a net (final) product nor a reactant of p…
ATP
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what is the main role of the pigment molecules? multiple choice oxidize…
Absorb photons and transfer light energy to the reaction center chlorophyll.
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which of these factors do the kidneys depend on the most for blood filt…
A. blood pressure
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which of the following is the most complete definition of marketing? a.…
B. A set of activities done by an organization to satisfy its customers and meet internal goals
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read the sentence. since americans are obsessed with the latest cell ph…
A. obsessed
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shaniya has misspelled a scientific name in her biology report. she nee…
No, her document is "Read - Only," so she cannot navigate the window.
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read the paragraph. 1 tia and jackie are partners in science class. 2 t…
sentence 4
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which best explains the role of plant pigments in photosynthesis? multi…
absorbs light energy
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at what ph will enzymes in human blood function best? multiple choice 6…
7.4
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different enzymes may function better at different ph and temperature. …
True
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enzymes are consumed in the process of catalyzing a reaction. true or f…
False
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how did life change for some slaves in the upper south in the decades a…
- First question: - Some slaves were freed, as their enslavers believed in the Revolution's concept of "All Men Are Created Equal" - Some slaves stopped growing tobacco and began …
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show all the work to get full credit. 1. peter has $100 to spend on dri…
3) \(2x + 0.5y\leq100\) ### Question 2
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question 1 how did technology help create \king cotton?\ select all tha…
- **Question 1**: - The cotton 'gin increased productivity in processing picked cotton. - Steamboats allowed heavy cotton bales to be transported long distances. - The machines in…
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multiple choice question what provides nourishment to the developing se…
new leaves
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multiple choice question pineapples and figs are examples of ________, …
multiple fruits
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select all that apply select all the plant hormones that play a role in…
All options (gibberellins, auxin, cytokinins, ethylene) are correct as they all play roles in the transition of flower parts into a fruit, although their specific functions and ti…
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multiple select question select all that apply select all of the follow…
swelling of the seed, rupture of the seed coat, release of hormones
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multiple select question select all that apply select all of the follow…
favorable temperature, water, oxygen
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put the following steps of germination and seedling development in the …
1. Absorption of water by the seed ruptures the seed coat 2. Root emerges 3. Cells differentiate as the shoot elongates and the root grows downward 4. The shoot produces leaves, a…
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multiple select question select all that apply select all the functions…
B. protect the seeds, D. promote seed dispersal
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multiple choice question in most angiosperms, what part of the flower f…
ovary
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multiple choice question what is the first step in germination? o the s…
The seed absorbs water.
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multiple choice question in response to hormonal signals, the angiosper…
becomes dormant
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multiple choice question the resumption of growth and development in a …
germination.
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multiple choice question in some plants, the seed coat is tough and con…
sclereids
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multiple choice question the dispersal of seeds far from the parent pla…
competition.
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choose the two sentences from this part of the text that explain how th…
"Each species survives because it lives in its own special way. Animals find a special kind of food, a special place to build a home, a special way of getting around, and a specia…
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the active site is located on the substrate. true or false
False
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select the correct answer. press the submit button. use the image and i…
B. Some nocturnal animals have a special way of seeing in the dark - they have really BIG eyes.
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if you look up from the forest floor, youll see the understory. it gets…
A. the understory
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multiple choice question pineapples and figs are examples of ______, wh…
multiple fruits
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select the correct answer. then press the submit button. based on what …
A. They hide.
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in all criminal prosecutions, the accused shall enjoy the right to a sp…
A. It provides an example of an action that is illegal under the Sixth Amendment.
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multiple choice question the seed develops from what part of the flower…
ovule
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select all that apply select all the plant hormones that play a role in…
ethylene, cytokinins, gibberellins, auxin
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enzymes have which of the following characteristics? (select all that a…
They are proteins, They can bind with substrate, They act as catalysts.
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a sports journalist is writing a story about a recent track and field m…
- First row: Final scores - Second row: Best individual performers - Third row: Introduction
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8. explain why the following question is a scientific question. how doe…
This is a scientific question because it involves variables (nighttime temperature and number of cricket chirps in one hour) that can be measured and tested through experimentatio…
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which gas is produced as a result of fermentation? multiple choice oxyg…
carbon dioxide
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multiple cholce question the result of double fertilization is a diploi…
endosperm
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the right of the people to be secure in their persons, houses, papers, …
B. protects American citizens from unnecessary search and seizure.
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multiple select question select all that apply select all the advantage…
- The seed has time to disperse away from the parent plant. - Development can be postponed until conditions are favorable.
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when you use toothpaste, part of a protist is helping to smooth and cle…
cilia; animal - like
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which characteristic distinguishes the five groups of fungi? number of …
reproductive structure
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what is the role of a funguss fruiting body? absorb nutrients movement …
produce spores
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multiple choice question in angiosperm seeds, what structure protects t…
seed coat
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multiple choice question after pollination, sperm nuclei from the polle…
pollen tube
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what is unique about the members of the group of fungi to which penicil…
C. They are used in fermentation.
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which feature distinguishes slime molds from fungi? slime molds are het…
Slime molds are able to move.
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multiple choice question during embryonic development in angiosperms, w…
root and shoot apical meristems
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congress shall make no law respecting an establishment of religion, or …
C. A newspaper prints a critical but truthful report about a congressperson.
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black truffles are a unique type of fungi that are highly prized by che…
has spores contained in an ascus
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a microbiologist is in the process of classifying a newly discovered or…
fungus - like protist
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multiple choice question a genetic change in one species that directly …
coevolution.
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multiple choice question after double fertilization, the ovule develops…
seed
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some protists form long, foot - like projections of their cell membrane…
D. pseudopods
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multiple choice question the transfer of pollen from an anther to a rec…
pollination.
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after a sperm nucleus fuses with the two nuclei in the central cell of …
triploid
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a journalist is writing a news story about vindales new fire chief. rea…
1. New fire chief 2. Current fire chief
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multiple choice question the female gametophyte in angiosperms is calle…
embryo sac.
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determine whether each of the following is a characteristic of a protis…
Mycelium: Fungi Heterotrophic: Both Pseudopods: Protists Contain cell walls with chitin: Fungi Fruiting body: Fungi
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multiple choice question in the process of —— in angiosperms, one sperm…
double fertilization; two haploid nuclei
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select all that apply select the three adaptations in angiosperms that …
pollen, flowers, seeds
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multiple choice question after a pollen grain lands on a ________ of th…
stigma; pollen tube
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select all that apply select all of the angiosperm stages that are hapl…
microspore, egg, sperm, female gametophyte, megaspore
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which expense is a variable cost? insurance payments monthly rent on a …
Hourly wages for an office employee
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question 5 what is the \b\ in the abcde method for checking if a mole c…
C. border
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place a single word into each sentence to make it correct in describing…
1. peripheral 2. does not 3. regeneration 4. nerve 5. regeneration tube
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6. what type of disability affects how a person understands words? lang…
6. Language disorder 7. Generalized 8. Fragile X syndrome 9. Spectrum 10. High muscle tension
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when a skeletal muscle fiber is at rest, there is more sodium outside t…
First question: True Second question: a single motor neuron and the multiple muscle fibers it controls.
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which fibers dominate many of the back and calf muscles that contract a…
Slow - twitch, True
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question 7 1 pts growth of the uterus during pregnancy is accomplished …
- Question 7: both hypertrophy and hyperplasia - Question 8: aerobic - Question 9: Slow - twitch
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question 5 1 pts the repolarization of the action potential involves th…
- Question 5: voltage - gated \(K^{+}\) channels. - Question 6: smooth.
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which excerpt from the call of the wild best shows how the third - pers…
The fourth excerpt: "There was no power of recuperation left.... Every muscle, every fibre, every cell, was tired, dead tired. And there was reason for it. In less than five month…
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question 3 an end plate potential is an event that involves a gain of p…
positive charge along the inside of the cell membrane, as sodium rapidly enters.
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an end plate potential is an event that involves a gain of positive cha…
a. a, b, c, d
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multiple choice question flower, seed, and ______ are key characteristi…
vascular tissues
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place the following stages of the flowering plant life cycle in the cor…
1. Flowers produce microspores and megaspores. 2. Mitosis gives rise to the male and female gametophytes. 3. Male and female gametes are produced. 4. Gametes unite in fertilizatio…
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multiple choice question the diploid zygote in plant sexual reproductio…
embryo; sporophyte
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multiple choice question the colorful petals of a flower attract pollin…
corolla.
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multiple choice question in sexual reproduction,______unite in fertiliz…
haploid gametes
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multiple choice question what protein is released by leaf cells and tra…
florigen
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multiple choice question genetically different offspring produced throu…
sexual reproduction
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select all that apply select the three adaptations in angiosperms that …
flowers, pollen, seeds
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select all that apply select all of the angiosperm stages that are hapl…
female gametophyte, egg, microspore, sperm, megaspore
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sand spinifex grass is adapted to growing on sand dunes. it is a rapidl…
C. It provides support by anchoring the plant
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the diagram below shows a cross section view of a flower what is the na…
C. stamen
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multiple choice question what type of reproduction produces offspring t…
sexual
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why do plants have a greater disadvantage in unpredictable environments…
D. Animals are able to seek shelter. Plants are unable to move