生物
细胞生物学、遗传学、生态学与生命科学基础。
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transcription which of the three types of rna is involved directly with…
B. messenger RNA (mRNA)
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transcription transcription the last step is initiation, which starts t…
tells RNA polymerase to STOP transcription
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transcription transcription is the process by which dna is transcribed …
A. A promoter tells it where to bind.
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what is the function of rna polymerase in the process of transcription?…
It adds base pairs to the new mRNA transcript.
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which of these processes takes place in the nucleus of a cell and invol…
transcription
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which of these indicates a strand of rna? the letter u indicating uraci…
The letter U indicating uracil.
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which of these indicates a strand of dna? the letter t indicating thymi…
The letter T indicating thymine.
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write one scientific question about the organism in the photo.
¿Qué tipo de alimentos preferiría este chimpancé en su hábitat natural?
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a person who is good at multitasking can effectively focus ones attenti…
F
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match the word to the definition write the letter on the line 6 _ scien…
14. Type of dog food 15. Dog's weight 16. 50 dogs getting new food 17. 50 dogs with normal diets 18. Type of sunscreen formula 19. Skin redness 20. Arms with new formula 21. Arms …
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which of the following means \(male) journalist\? el periodista el tele…
El periodista
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which source would be most appropriate for researching the question how…
a journal article by a psychologist who is studying social media
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how did the international community respond to south africas policies i…
by refusing to buy South African goods
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1 multiple choice 1 point how does elevation affect the climate of lati…
It creates vertical zonation.
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16 what is a limiting factor a any factors that restrict numbers, repro…
A. any factors that restrict numbers, reproductions, or distribution of organisms
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a chart comparing viruses to bacteria is shown. which traits apply to e…
- Utilize a capsid structure: Viruses - Have active metabolism: Bacteria - Contain genetic material: Both - Replicate independently: Bacteria
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12. a table of four types of carbohydrates is shown. which list correct…
Energy: glycogen and starch; Structure: cellulose and chitin.
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10. in the late 1700s edward jenner developed the first vaccine from co…
By replicating inside the cell and then lysing the cell
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three types of rna the presence of uracil instead of thymine distinguis…
uracil
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three types of rna what is created by linking amino acids together? sta…
polypeptide chain
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1. using only content learned in this unit, describe the steps you woul…
| Portfolio A | | Portfolio B | | |--|--|--|--| | Profit/Loss | \(\$2100\) | Profit/Loss | \(\$7700\) | | ROI | \(36.84\%\) | ROI | \(140\%\) | Portfolio B made more money.
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in eukaryotic cells, mrna (messenger rna) is produced in the nucleus du…
DNA sequence is copied into mRNA molecules.
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types of rna there are three main types of rna in biology: messenger rn…
It delivers amino acids to ribosomes during protein synthesis.
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read this paragraph. rocky mountain national park, nicknamed ocky,\ is …
Each of these ecosystems has a quality all its own, but they are all interconnected, comprising a true American treasure: "Rocky."
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which nucleotide is only found in dna? thymine cytosine guanine uracil
thymine
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renaissance man which statements describe characteristics of a enaissan…
He can read and speak more than one language, He is an excellent swordsman.
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plant and animal cells also require cytoskeletal proteins for cytokines…
1. Bacteria: true; Animals: true; Plants: false 2. Bacteria: false; Animals: false; Plants: true 3. Bacteria: true; Animals: false; Plants: false
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match each cell part to its function by recording the letter of the cor…
1. Cytoskeleton - provides mechanical supports and anchorage to the cell 2. Microfilaments - these fibers strengthen or change of the shape of eukaryotic cells 3. Peroxisomes - br…
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____ are involved in the transfer of genetic information from one bacte…
B. Pili
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read the excerpt from booker t. washingtons speech delivered at the ope…
They both point out that the South has not been solely oppressive.
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read this paragraph from a passage. a genetically modified organism is …
The goal of this process is to introduce a desired trait or characteristic into the second species.
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which organelle in the cell maintains dna? a) cytoskeleton b) chloropla…
C. Nucleus
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read this excerpt from a passage. the cell phone has become a handheld …
educators
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what is responsible for producing energy in both plant and animal cells…
C. Mitochondria
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what is the function of the lysosome? a) produce chromosomes b) synthes…
d) Internal waste system of the cell
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all cells have what three following things? a) mitochondria, enzymes, a…
B. Cell membrane, cytoplasm, DNA
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what is an example of a prokaryotic cell? a) skin cell b) cancer cell c…
C. Bacteria
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what part of the cell is responsible for making proteins? a) organelles…
d) Ribosomes
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question 4 (mandatory) (2 points) which organisms are the most diverse …
d) bacteria and archaea
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question 3 (mandatory) (2 points) cell shape is reinforced by ____. a) …
C. cytoskeletal filaments
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question 2 (mandatory) (2 points) the size of a cell is limited by the …
C. relationship between the volume of the cell and its surface area
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13 multiple choice 2 points how is cell a1 identified in excel? first r…
13. D. First column, first row 14. B. Data Labels 15. B. For controlling airplane systems that require immediate responses
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close read: analyze the text identify the choice that best answers the …
Part A: A. Each time people avoid confronting their fears, they lose a little more of themselves, until finally they have lost everything. Part B: D. "I had to shut the door to th…
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instructions read the question carefully and select the best answer. wh…
A. Choice and intellectual freedom inspire a sense of investment in learning.
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questions 13 through 18 refer to the following. read the following pass…
C. It highlights Tom's refusal to accept reality when it challenges his illusions
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2. this experiment tested natural selection. identify the mechanism of …
| Scenario | Mechanism of Evolution | Your Prediction | |--|--|--| | A random change is passed on to offspring that leads to a population of rabbits with bigger ears and better he…
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external factors such as prior knowledge and experience influence how i…
T
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which of the following best describes the primary source of energy for …
B. Solar radiation
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questions 13 through 18 refer to the following. read the following pass…
C. waiting and fulfillment
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only a small amount of the energy stored in food is available to the ne…
D. Most of the energy is used for life processes and is lost as heat
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questions 13 through 18 refer to the following. read the following pass…
A. reinforce the notion that the play is part of a 'world of reality' (paragraph 5) that will be reconstructed from'memory' (paragraph 4)
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remarks on space exploration in the 21st century by president barack ob…
imagery to describe which American ideals are a result of the space program
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many mammals, such as dogs and cats, release , which can stimul…
C. pheromones
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taste buds are located in and around papillae, the tiny bumps on the to…
T
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neural signals from olfactory cilia are transmitted to the and then t…
B. olfactory bulb... olfactory cortex
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if sarahs genotype for height is hh and matts is hh, what is the likeli…
50%
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questions 13 through 18 refer to the following. read the following pass…
B. will tell the "truth" in a way that his audience can accept
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height is represented by h (tall height) and h (short height). genotype…
tall
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the outer ear channels sound waves down the external __________ to the …
C. auditory canal... eardrum
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ear wax, which is produced in the external auditory canal, contains che…
T
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in the inner ear, a coiled tube called the ______ contains the receptor…
B. cochlea
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an allele is: the genes that determine a persons gender a gene only fou…
A variation of a gene.
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natasha tretheweys poem \letter home\ was originally published in 2001.…
D. She realizes that her race and gender will make it difficult for her to achieve her goals.
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genotype is ______, phenotype is ______. the gene for eye color, the ac…
The genetic make up, the physical appearance
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speciation, fossilization and sedimentation quiz 7. multiple choice: wh…
- **Question 7**: B. Gaps in sedimentary layers where some rock was eroded or not deposited - **Question 8**: Gaps and unconformities mean there are missing parts of the fossil re…
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speciation, fossilization and sedimentation quiz 7. multiple choice: wh…
B. Gaps in sedimentary layers where some rock was eroded or not deposited # 8.
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which of the following correctly lists the structures through which sou…
A. auditory canal, eardrum, ossicles, cochlea
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what causes genetic diversity during meiosis? the fact that chromosomes…
All of the above
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fall of the mongols quick check what was the most significant cause of …
The Ilkhanate collapsed because it was devastated by the bubonic plague.
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in which phase of meiosis do sister chromatids align in the centre of t…
Metaphase II
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all of the matter in a food chain comes from the producer. many produce…
First blank: pine vole; Second blank: persimmon tree
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when the pine vole eats the persimmon tree, matter moves up this food c…
bobcat; gray fox
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13. your weekly base salary is $150. you also earn $20 for each cell ph…
a. The minimum amount is \(\$150\). b. The inequality is \(150 + 20x\geq630\), and \(x\geq24\). c. The inequality is \(150+20x\geq750\), and \(x\geq30\). d. The inequality is \(15…
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which kinds of evidence can historians use to interpret events from the…
artifacts found at historical sites, letters written during that period in history, documents with information about the past
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7 which is an example of a biotic factor a soil b trees c water d rocks
B. trees
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4 multiple choice 1 point which of the following describes a detritivor…
Consumes decayed plants and animals
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below is a food chain from a forest ecosystem in virginia. use the info…
When the pine vole is eaten by the skunk. Then, matter moves to the tertiary consumer when the gray fox eats the skunk.
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historians make interpretations about events based on novels based on t…
the evidence they collect
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which of the following is a living organism who produces food or biomas…
B. Producer
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matter from the producer continues to move up the food chain as consume…
First blank: deer mouse; Second blank: red fox; Third blank: coyote
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producers use photosynthesis to make their own food. this food becomes …
long - tailed weasel; red fox
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multiple choice 1 point which of the following best describes chlorophy…
Green pigment in plants which absorbs light.
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3 the picture below shows succession in an ecosystem. what organisms ar…
A. trees and shrubs
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below is a food chain from a grassland ecosystem in wyoming. use the in…
slender wheatgrass
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5 in order from smallest to largest, the ecological levels of organizat…
C. individual, populations, community, ecosystem, biome
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below is a food chain from a grassland ecosystem in wyoming. use the in…
slender wheatgrass
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ordering 1 point number the ecological levels in order from largest to …
1. Biosphere 2. Ecosystem 3. Community 4. Population 5. Organism
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all of the matter in a food chain comes from the producer. the producer…
First blank: amphipod; Second blank: algae
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when the amphipod eats the algae, matter begins to move through this fo…
The first blank is mudminnow. The second blank is yellow perch.
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below is a food chain from lake superior, a freshwater ecosystem on the…
The producer in this food chain is the algae. It is eaten by the amphipod.
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when the midge larva eats the diatom, matter moves up the food chain. t…
Matter moves to the secondary consumer in this food chain when the European grayling eats the midge larva. Matter reaches the top of the food chain when the pike eats the European…
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1. which of the following was one cause of anti-immigration sentiment i…
the Red Scare
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youre working at a job site that has puddles of water around it. could …
Yes
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a producer is the organism at the base, or beginning, of a food chain. …
Matter begins to move through this food chain when the diatom, a producer, is eaten by the midge larva, a primary consumer.
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biological hazards can be associated with animals and insects. how can …
Avoid contact with animal feces
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pick all the words that belong in the group flowers. lily tulip fern ro…
lily, tulip, rose, violet
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pick all the words that belong in the group foods that grow on trees. o…
oranges, cherries, pears, peaches
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for her english class, lornahe is assigned to give feedback on her clas…
Check spelling and grammar, use supportive language, and provide constructive feedback.
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gilded age politics: crash course us history #26 00:23 - what gets its …
- Question 7: C. the Gilded Age - Question 8: A. political machines; New York City's Tammany Hall - Question 9: A. William "Boss" Tweed - Question 10: A. New York City - City Cour…
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informal and formal writing some words are fine for informal conversati…
1. They bought a remarkable house around the corner. 2. There were many people at the museum. 3. Jane is not going to tell anyone. 4. Oscar started becoming extremely anxious abou…