生物
细胞生物学、遗传学、生态学与生命科学基础。
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which scientist is matched with his contribution to evolutionary theory…
D. Erasmus Darwin—competition and sexual selection as an impetus for change
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which example illustrates charles darwins main contribution to the theo…
When exposed to antibiotics, most bacteria in a population die but some survive and live to reproduce.
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nico is brainstorming reasons to support this claim for his argumentati…
A. Dylan has been internationally acclaimed for more than half a century. B. Dylan is first and foremost a poet, and poetry is often accompanied by music.
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which of the following best explains how prevailing nationalistic belie…
B. Beliefs in racial superiority and national loyalty often led to discrimination, internment, or persecution of ethnic groups perceived as linked to enemy nations.
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question 1 (multiple choice worth 2 points)which statement best compare…
D. Coastal ecosystems have more sunlight, more nutrients, and higher levels of productivity than open ocean ecosystems.
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14- properly draw and label a chromosome and its parts on the space pro…
A labeled chromosome diagram should include: - Two parallel sister chromatids connected at a central centromere - Labeled short (p) and long (q) arms on each chromatid - Labeled t…
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rnai is a cellular mechanism that uses the the genes own dna sequenrnai…
HindIII
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which best describes evolutionary theory?○ it is based on the idea that…
A. It is based on the idea that all life is related.
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multiple-choice question the ____ bone is located in back of the head. …
occipital
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a scientist is studying the population decline of cheetahs in africa an…
D. an evolutionary geneticist observing an environmental problem
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question 8 what is a reporter gene? the starting gene that restriction …
(Question 8): A reporter gene is pasted into a genome with genes researchers would
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a male tree frog migrates to a new habitat with little ground vegetatio…
All the offspring will have normal webbing.
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question 6 which of the following is an example of gene therapy? a pers…
Question 6: A person with ADA (Adenosine deaminase deficiency) deficiency has the working copy of the ADA gene. The copy of the ADA gene starts producing [functional ADA protein] …
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the understanding of evolutionary processes has helped scientists in th…
the production of pesticide-resistant potatoes
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5 gct caa ttc cga tat 3enzyme cut sites (5-3)ecori gaa ttcbamhi gga tcc…
B. EcoRI
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what do you remember from when youve previously learned about the indus…
1. Originated in late 1700s Britain, shifted from handcrafts to machine manufacturing. 2. Key inventions: steam engine, spinning jenny, power loom. 3. Mass urbanization as workers…
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what does the theory of evolution contribute to conservation biology?○ …
It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive
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according to natural selection, individuals that tend to survive are th…
the genetic variations that are best suited for their environment
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what did jean-baptiste lamarck believe about traits such as large muscl…
B. They can be passed on to offspring
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question 1 how does the antibiotic resistance gene help bacteria? bacte…
1. Some bacteria may survive antibiotics 2. Cut DNA at specific sections
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why was natural selection an important contribution to the theory of ev…
It explained how evolution works.
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rapid evolution rate for virus reasons for rapid viral evolution 1. sho…
| Reasons for rapid Viral evolution | Explain in your own words | |------------------------------------|----------------------------| | 1. Short generation time | Viruses replicat…
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which best describes how the fossil record supports the theory of evolu…
The fossil record reveals intermediates that link different species.
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conservation biologists are most interested in which three evolutionary…
natural selection, migration, and mutation
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lytic vs. lysogenic cycle feature host cell status virus production vir…
| Feature | Lytic Cycle | Lysogenic Cycle | |---------|-------------|-----------------| | Host Cell Status | The host cell is **destroyed** (another word for lysed). | The host ce…
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which represents the correct sequential flow of information during prot…
A. DNA→RNA→protein
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• phage attachment: the virus attaches to the ______ cell.• dna entry: …
- Phage Attachment: The virus attaches to the **host bacterial** cell. - DNA Entry: The virus’s **DNA** enters the host cell.
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the mrna transcript and the dna sequence are shown below dna 3-agc cgt …
The **T** nucleotide in the mRNA transcript should be replaced with a **U** nucleotide.
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a in the nucleus b in the cytoplasm c in the ribosome d in the mitochon…
B. in the cytoplasm
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the cranial bone that is completely enclosed or surrounded is the ____ …
ethmoid
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multiple-choice question the cranial bones include 2 pairs of bones. th…
parietal and temporal
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viral reproductive cycles the hijacking process: viruses cannot reprodu…
The Hijacking Process: Viruses cannot reproduce on their own; they must use the host cell's **genetic (nucleic acid)** and cellular material to create new viruses. Lytic Cycle (Or…
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the butterfly-shaped cranial bone that spans the width of the cranium i…
sphenoid
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ligation restriction enzyme digest transformation transduction question…
Cloning would fail
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true/false - the sphenoid bone articulates (joins) with all the other b…
True
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the timeline shows major changes in russias history between 1910 and 19…
World War I
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rewrite the sentence or write \correct\ if its a complete sentence. | i…
1. I wake up at 8 a.m. to watch cartoons. 2. He plays video games every night. (Alternative: She/They/I play(s) video games every night.) 3. correct 4. The Declaration of Independ…
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lesson 7 – new information and predictions on models 11. when a spring …
11. C. increase the amount that the spring is stretched or compressed. 12. F. The force exerted would be greater since x is the same and k is larger in the new spring. 13. D. rema…
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2:02 pm check for understanding hormones check for understanding direct…
1. B. Norepinephrine 2. C. Testosterone 3. B. Progesterone 4. A. Estrogen 5. D. Amino acid hormones
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which best describes the expected roles of boys and girls in fascist it…
Boys were trained for the military, while girls were taught to be good wives and mothers.
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answer the following questions. 1. nondestructive editing involves any …
1. B. Retain 2. D. Adjustments 3. D. Layers and Adjustments 4. A. When the layer is a smart object 5. B. Using a separate layer
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what is the name of the bone that makes up your forehead?frontalzygomat…
frontal
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question 1 (multiple choice worth 1 points) (05.01r mc) a bacteria cult…
1,024
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multiple-choice question the human skull has ____ cranial bones. 6 8 4 2
8
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16- complete the following cell cycle process. make sure to add title, …
## Top Section (Chromosome/Nuclear Cycle) ### Title: Chromosomal Changes in Muscle Cell Cycle 1. **A: Interphase (G1 + S + G2)** - **D: Cell grows, DNA replicates** - *Picture: Ce…
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multiple-choice question the two categories of skull bones are...? fron…
Cranial and Facial bones
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to kill contaminating bacteria to allow a cell to take in plasmid dna t…
RE digest, Ligation, Transformation
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26. what are two ways that the muscular system works together with othe…
26. 1. Works with the skeletal system: Muscles pull on bones (via tendons) to produce movement, while bones provide a lever system for muscle action. 2. Works with the nervous sys…
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genetics valentines day color by number directions choose the correct a…
1. a. A blend (brown) 2. b. A (pink) 3. b. bb (red) 4. d. AA (light green) 5. b. 25% (dark green) 6. a. Aa (purple) 7. c. 50% (red) 8. d. 100% (purple) 9. c. 1:2:1 (brown) 10. b. …
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a sequence of dna that contains multiple restriction enzy question 3 ba…
1. Transformation 2. (The full option set for Question 4 is incomplete, but the correct purpose of heat shock in bacterial transformation is to create temporary pores in the bacte…
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feeling stuck on a question?• revisit the altering genes in bacteria le…
1. Plasmid 2. (Note: The correct option for Question 2 is missing from the provided image, but the incorrect options are eliminated as follows: - A sequence of DNA that allows the…
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question 10 of 10 because of the russian revolution, russia: a. withdre…
A. withdrew from the war.
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question 2 of 10 which statement best completes the graphic organizer d…
D. Break up large empires, and let groups start their own countries
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what is thinking?one night a caffeinelight bulb went offfor a man who h…
C. Events in both poems happen at night.
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the table shows industrial and agricultural output in the russian empir…
The Soviet Union enjoyed strong economic growth in the 1920s.
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what organs are included in the central nervous system? *1 pointsensory…
1. Brain and spinal cord 2. Bringing information into the CNS with sensory receptors 3. Conducting impulses from the CNS to effectors
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what is the role of neuroglia in the nervous system? * to support and p…
1. To support and protect neurons 2. Chemical messengers that transmit electrical impulses from one neuron to another 3. Central and peripheral
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new york city map peter gebeshian · 9:41 am 100 points https://www.maps…
1. Bronx, Manhattan, Queens, Brooklyn, Staten Island 2. Manhattan 3. Staten Island 4. Queens 5. Manhattan 6. 3 major airports: John F. Kennedy International Airport (JFK), LaGuard…
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bone landmarks the bones of your cranium and face have many important l…
1. C. Anterior to the jugular foramen; carries the carotid artery into the cranium (provides blood to the brain) 2. B. An opening in the temporal bone where the ear canal can ente…
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what is the primary function of the nervous system? *1 pointthinkingmov…
1. All of the above 2. By processing and integrating the information, then producing a motor response 3. Neurons and neuroglia
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while there are 8 cranial bones total, two of the bones occur in pairs …
### Mnemonic Device Example: *"Fred Played On The Swing Everyday"* (for **F**rontal, **P**arietal, **O**ccipital, **T**emporal, **S**phenoid, **E**thmoid) ### Skull Bone Label Mat…
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scarce revealed to the searching eye.and, ever and anon, the breezefrom…
C. Being in nature can produce supernatural experiences and strange feelings.
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name:herd mentalitythe dangers of blindly following the crowd4. young v…
6. B. Not only...but 7. B. Yet, 8a. Highlighted: "Because parental figures aim to shield children from danger, youngsters naturally follow their lead. Since parents are given the …
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perished to zones with much survival. in such cases, we usually read ab…
A. Algae and plant species respond to the influx of nutrients. B. Light transmission increased as did dissolved oxygen levels. D. Aquatic vegetation supported populations of mayfl…
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14. in floating interior angle construction where the framing is perpen…
14. b. 7" 15. a. edges of wallboard exposed to view 16. a. use multi-ply construction 17. d. Multi-ply 18. b. intumescent 19. b. placing air conditioning ducts back-to-back 20. d.…
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all evolutionary changes that allow a species to change in response to …
A. beneficial DNA mutations.
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a ladder is used to describe dna. what type of model is this? mathemati…
analogy
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9. alexander lawrence posey (1873-1908) varied his focus and tone depen…
9. A. by contrast, 10. B. however, 11. B. ultimately,
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the cambrian explosion lead to the formation of many new groups of mult…
C. The Cenozoic era began 66 million years ago and was known as the "age of mammals".
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what was the major contributor of oxygen to earths early atmosphere? a …
A. photosynthesis
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photosynthetic cyanobacteria caused an increase in atmospheric levels o…
C. oxygen
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which group of animals was the first to adapt to life on land by develo…
C. reptiles
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evidenced by ancient iron ore layers found within earths crust and mant…
A. All oxygen sinks in rock strata were finally saturated resulting of continued outgassing of oxygen. C. Evolution of large vascular land plants may have brought about an increas…
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select the correct answer. how does lorna dee cervantes celebrate her c…
C. by combining English and Spanish, her two native languages
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what type of experience can alter gene expression? wartime trauma all o…
1. All of the answers 2. By preventing the chromatins from unwinding
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3- name the stages of mitosis? prophase, metaphase, anaphase, and telop…
Cytokinesis is the process where the cytoplasm of a parent cell divides, resulting in two distinct, genetically identical daughter cells, completing the cell division cycle after …
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question 3 which of the following is an example of why two organisms wi…
1. Identical twins who are separated at birth. One has limited access to food and one has (full access to food, implied). 2. When chromatids are closed
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1. the number of dark spots that appear on the sun, known as sunspots, …
1. D. By comparison, 2. C. Consequently, 3. C. As a result, 4. C. However,
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3- name the stages of mitosis?
The stages of mitosis, in order, are: 1. Prophase 2. Metaphase 3. Anaphase 4. Telophase (Note: Cytokinesis, the division of the cell cytoplasm, often occurs after telophase but is…
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how is dna organized into chromosomes starting with the monomer of dna?…
1. Nucleotides → Gene (DNA strand) → DNA histone complexes (Nucleosomes) → Chromatin → Chromosomes 2. DNA is a long strand that will only fit within the nucleus if it is wrapped a…
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1- what are the stages of the cell cycle?2- in what stage of the cell c…
S phase (Synthesis phase) of interphase
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identifying mythical elements which elements of a myth appear in this s…
- a supernatural being - an explanation of natural phenomena - a fantastic setting - a conflict between beings
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cell cycle and mitosis review worksheet 1- what are the stages of the c…
The stages of the cell cycle are: 1. Interphase (composed of G₁ phase: cell growth, S phase: DNA replication, G₂ phase: final growth and preparation for division) 2. Mitotic (M) p…
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what list shows the levels of organization in living structures from sm…
cells, tissues, organs, organ systems
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name:cranium anatomyintroduction: many people mistakenly think that the…
1. 22 2. Cranial bones and facial bones 3. 8 4. $22 - 8 = 14$ 5. Axial skeleton 6. Cranium 7. - Protect the fragile brain - Provide attachment for head/neck muscles 8. - Form the …
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methylation does not change over our lifetimes methylation decreases wi…
Methylation decreases in cancer cells
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question 3 which statement best explains why nerve and muscle cells can…
1. Question 3: These cells express different genes 2. Question 4: Methylation increases with age
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question 1 how does dna methylation impact gene expression? increases g…
1. Can block or increase gene expression 2. Histone modifications can increase or decrease gene expression
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question 6 1 point for the genotype aabbdd, is the following statement …
False
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6. compare and contrast the causes of the american revolution and the f…
### Similar Causes: - Shared influence of Enlightenment ideals of liberty and self-rule - Fiscal burdens and unfair taxation imposed by unrepresentative authorities - Opposition t…
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imprinting is a process that silences expression of either the maternal…
False
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what is the main function of the digestive system? to break down food f…
to break down food for nutrients and energy
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what is the atomic number of an oxygen atom that has 8 protons in its n…
8
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what is the main role of the liver and pancreas in digestion?producing …
producing digestive enzymes
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the phenotype of a dominant allele is never seen in the f1 progeny of a…
False
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which of the following most accurately describes the digestive process …
Nutrients and water molecules move from the digestive tract into the body via the bloodstream.
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question 1 0 points a testcross between a pea plant showing the dominan…
False
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question 10 of 10 the academy of motion picture arts and sciences gives…
D. Oscars.
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you say you want a revolution?directions: read the newsela article enti…
1. They established global trade and ideological flows that created economic inequalities and spread ideas that fueled revolutionary sentiment. 2. Popular sovereignty is rule by t…
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which of these explains what a hypothesis is? the measurements you coll…
an educated guess on how things works