生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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1. how do you calculate magnification on a light microscope? answer mag…
1. **Answer**: Multiply the objective lens magnification by the eyepiece magnification. - **Brief Explanations**: In a light - microscope, the total magnification is determined by…
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2 - match the organelle with its function 1 - nucleus 2 - lysosomes 3 -…
1. Nucleus - Control center of the cell 2. Lysosomes - Organelle which contains powerful digestive enzymes (WBC have a lot) 3. Endoplasmic Reticulum (ER) - Organelle where protein…
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1 - label the following animal cell
Without seeing the specific labels on the lines, common labels for an animal cell diagram would include: Cell membrane (outer - most boundary), Nucleus (usually large and round wi…
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which territory was added to the roman empire under caesars governance?…
D. Gaul
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which factor best explains how many diseases, such as cancer, are forme…
A disruption in the cell cycle has taken place.
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correctly identify the stage in which each event of the cell cycle occu…
1. duplication of DNA: synthesis 2. disintegration of nuclear envelope: mitosis 3. DNA condenses to form chromosomes: mitosis 4. cell grows larger and makes more proteins: G1 (gro…
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a teacher showed slides of different stages of mitosis to four students…
1
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below is a diagram of the cell cycle. cell cycle m - mitotic phase prop…
Mitosis will likely not occur.
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the table shows features of different phases for a typical cell cycle. …
B, A, C, D, E
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correctly match the numbered stage with the name of the phase of mitosi…
1. Metaphase 2. Anaphase 3. Telophase 4. Prophase
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a student uses a microscope to observe a plant cell and an animal cell …
shape of cells, formation of a cell plate, presence of centrosomes
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homework - cell cycle the diagram above represents a cell in the of mit…
metaphase
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a student observed a slide of onion cells under a microscope to study t…
form a cell plate
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a student observed a slide of onion cells under a microscope to study t…
mitosis; cytokinesis
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homework - meiosis how should the two cells shown in step z be describe…
C. haploid
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during which phase of meiosis are spindle fibers attached to both sides…
None of the above options are correct as the correct phase is metaphase II. If we have to choose from the given options, none of them accurately describe the phase where spindle -…
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which of the following statements best explains the role of meiosis in …
Meiosis makes it possible for a zygote to have the correct number of chromosomes.
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an earthworm has 36 chromosomes in each of its diploid cells. how many …
B. 18
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nondisjunction during meiosis results in an abnormal number of chromoso…
D. 3n
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homework - meiosis the dna fingerprints created by gel electrophoresis …
Half of the child's chromosomes are inherited from the father and half are inherited from the mother.
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crossing over occurs during meiotic cell division. in this process, hom…
It introduces genetic variation.
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the diagram shows a pair of homologous chromosomes before and after a p…
A. crossing - over
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the letters a and a represent alleles of a single gene. similarly, b an…
The possible combinations of alleles in the gametes are AB, Ab, aB, ab.
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question 14 mark this question which of the following best describes hu…
A. A theory of psychology that focuses on people's potential for growth
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actividad 3: usa las relaciones anteriores para escribir una definición…
1. Definición: Dirigir, guiar o gobernar. Oración: El dictador Augusto Pinochet, ruyó con mano dura. 2. Definición: cuando hacemos algo por sentido común sin tener toda la informa…
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once upon a time, during the american revolution, delegates of the sele…
Second Continental Congress, Declaration of Independence, Great Britain, delegates, government, Articles of Confederation, Massachusetts, Shays' Rebellion, weak, standing army, le…
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ecosystems msichicago.org tropical and subtropical moist broadleaf fore…
Closer to the equator, there are more favorable environmental conditions (more sunlight, warmth, and precipitation) that support higher species - diversity. As one moves away from…
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5 matching 24 points match the correct prefix, suffix, or definition to…
1. dehydrate 2. -lysis 3. monomer 4. polymer 5. -hydro 6. synthesis
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the age of enlightenment end of lesson test 3 what caused the age of en…
The Scientific Revolution
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actividad 5. contesta a las siguientes preguntas en oraciones completas…
1. La domesticación de plantas en la Amazonia probablemente ocurrió hace miles de años a través de la selección consciente y unconscious de variedades de plantas por parte de los …
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unit 1 dehydration synthesis & hydrolysis c4u examine the scenarios pre…
Hydrolysis
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actividad 5. contesta a las siguientes preguntas en oraciones completas…
1. La domesticación de plantas en la Amazonia probablemente ocurrió hace miles de años a través de la selección consciente y adaptación de plantas silvestres por parte de los pueb…
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inclusion questions which structure? using the vocabulary discussed in …
1. bud 2. lid 3. basal disk 4. tentacles 5. cnidocyte 6. bell 7. nematocyst 8. cnidocyte 9. capsule 10. mouth 11. endoderm 12. oral arms 13. mesoglea
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part 2 (1 point) feedback predict what would happen to the secondary st…
A. The β sheets would unfold, disrupting protein structure. C. The α helices would unfold, disrupting protein structure.
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sort the following secondary structure characteristics into the correct…
- α - helix only: One full turn every 3.6 amino acids, Cylindrical structure - β - sheet only: Consists of antiparallel or parallel strands - Both α - helix & β - sheet: Side chai…
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to identify genes coding for essential proteins, researchers can create…
D. mutation of a bulky isoleucine that was buried in the protein interior to a glycine (side chain = H)
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what metaphor does wordsworth develop throughout the first poem? a he c…
Part A: B. He compara Nature a un teacher, comunicating wisdom through health and cheerfulness. Part B: A. It creates an optimistic mood, leading readers to view the experience of…
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which of the following identifies an appropriate inference based on the…
When the gazelle population increases, the lion population is healthy enough to reproduce, creating more offspring.
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question 9 twin studies have shown that __________. while certain chara…
while certain characteristics are biologically predetermined, they do not fully explain individual cognitive and social development
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1st attempt the michaelis constant ($k_m$) of an enzyme is a measure of…
the binding strength of enzyme to substrate.
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question 7 mark this question the innate means and inclination to acqui…
D. Biological predisposition
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summarize it! drag and drop the words or phrases that accurately comple…
First blank: personal bias Second blank: support or disprove Third blank: astrology
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what evidence suggests that the large amount of excess \junk\ dna in a …
D. A portion of "junk" DNA is highly conserved in its DNA sequence among many different eukaryotic species
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practice it! a group of students is studying predator - prey relationsh…
When the prey population peaks, the predator population peaks shortly after. This is because when there is more food to eat, predators live long enough to reproduce.
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how does phosphorylation control protein activity? choose one: ○ a. the…
D. The phosphate group induces a change in the protein's conformation.
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once upon a time, during the american revolution, delegates of the sele…
1. Second Continental Congress 2. Declaration of Independence 3. Britain 4. delegates 5. government 6. Articles of Confederation 7. Massachusetts 8. Shays' Rebellion 9. weak 10. s…
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what is the definition of a protein - binding site? choose one: a. the …
C. any region on a protein's surface that interacts with another molecule through noncovalent bonding
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what are the specialized dna sequences that are at the ends of most euk…
D. telomeres
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which is true of prion proteins? choose one or more: a. they can spread…
A. They can spread from one organism to another. C. They are misfolded forms of normal proteins.
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4. based on these two graphs, describe what happens to the predator com…
As the number of plant species increases from 1 - 16, both predator richness and predator abundance show variability, and the relationships between them and the number of plant sp…
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3 - nature vs. nurture learning objective: compare biological and envir…
D. A person's abilities are affected by both their talents (nature) and their environment (nurture).
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1 — biological influences learning objective: characterize biological i…
c. DNA
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3 - nervous system learning objective: identify the roles of the compon…
d. Processing information about the body in order to determine responses
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which of the following factors might influence cellular respiration? wa…
acid addition, temperature
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2 - neural structures learning objective: recognize key neural structur…
d. axon
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2. based on these two graphs, describe what happens to the herbivore co…
2. As the number of plant species increases, herbivore richness and abundance show variability around a relatively stable mean with a significant statistical relationship. 3. Poss…
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question 10 behaviorists study the effects of the unconscious on consci…
D. the effects of learning and the environment on behavior
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question 10 mark this question behaviorists study _. the effects of the…
the effects of learning and the environment on behavior
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how does exercise affect the rate of cellular respiration? it increases…
It increases the rate of cellular respiration.
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where did the industrial revolution begin in the late 1700s? o americas…
C. England's textile industry
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which of the following best describes the significance of the telegraph…
Large amounts of information could be sent to remote areas.
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question 4 mark this question which of the following emphasizes the rol…
D. Biological perspective
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what is bromothymol blue used to measure in the experiment? the rate of…
the rate of photosynthesis
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part a: getting familiar with the microscope 1. notice the eyepiece, wh…
1. 10X 2. 40X 3. 400X Discussion Question: 1. The image of “e” is upside - down. 2. The image moves away from you. 3. The image moves towards you.
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which of the following factors might influence cellular respiration? te…
temperature, acid addition
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how does the rate of cellular respiration change with exercise? it incr…
It increases.
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which of the following factors might influence cellular respiration? te…
temperature, acid addition, water intake
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how does being an endotherm effect the response to changes in temperatu…
It maintains a constant body temperature.
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a pharmaceutical company claimed that experiments showed that its drug …
The labs were unable to reproduce the pharmaceutical company's data.
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hexokinase is an enzyme that binds specifically to glucose and converts…
allosteric regulation
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8. if nothing is done and the bacteria continue to double, how long wil…
The number of time - steps $t$ for the bacteria count to reach 3 million is approximately $t\approx21.52$ (using logarithms) or $t\approx21.43$ (using trial - and - error and inte…
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1. how do you calculate the magnification on a light microscope? magnif…
1. To focus a microscope using the high - power lens: First, focus on low - power. Then switch to high - power and use the fine adjustment knob. Keep equipment clean and avoid len…
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the synthesis of sugar molecules through the process of photosynthesis …
endergonic
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mutations in the nucleic acid sequence of a gene can sometimes direct t…
A. alanine to glycine
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which of the following best matches the description? obtained nearly al…
j. hunter - gatherer
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for a nation to participate in the industrial revolution, they had to h…
B. a source of coal
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determine whether the following statement is true or false: histones ar…
False
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6 - three levels of analysis learning objective: characterize the three…
B. each person can have a different experience of an event, due to internal mental processes
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which of the following best matches the description? twenty - five coun…
a. OECD
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5 - history of psychological theories: cognitive psychology and humanis…
B. internal mental processes, such as thinking, remembering, and perceiving
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what kind of enzyme removes a phosphate group from a protein? choose on…
E. phosphatase
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why do we have storage macromolecules, such as fats, in our bodies? mul…
We can break down these macromolecules to provide energy for the endergonic reactions in our bodies.
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multiple choice we can break down these macromolecules to provide energ…
We can break down these macromolecules to provide energy for the endergonic reactions in our bodies.
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which of the following binds most tightly to the active site of an enzy…
E. substrate
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how does the gtp - bound form of a gtp - binding protein switch to a gd…
A. It hydrolyzes GTP, releasing a phosphate.
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enzymes are multiple choice lipids. carbohydrates. steroids. proteins. …
D. proteins
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in the living cell, histone proteins pack dna into a repeating array of…
C. nucleosomes
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use the information and model to answer the following question. student…
In Beaker X: water will move into the cell causing it to swell In Beaker Y: the cell will remain unchanged In Beaker Z: water will move out of the cell causing it to shrink
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students design an experiment to explore how osmosis works. they prepar…
B. Water will move from Side B to Side A until the concentrations are equal.
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during a lab, two students are discussing the best type of solution for…
D. Student B is correct because plant cells would maintain their shape better in an isotonic solution.
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if a chemical that inhibits enzyme #3 was added to the system containin…
Substrate #3 would accumulate in the system.
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which of the following models demonstrates simple diffusion through a s…
A. Model A because particles are moving directly through the cell membrane from high to low concentration.
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a cell with a solute concentration of 10% is placed in a beaker solutio…
A. The cell will shrink because water will move from an area of low solute concentration to high solute concentration.
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properties of water multiple choice: write the letter of the correct an…
1. C. The water molecules stick extra tight to the molecules around and below them creating an elastic "skin." 2. A. adhesion 3. B. cohesion 4. C. surface tension
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the passage below describes a process of scientific inquiry. select the…
Sam presented his experiment and results to his coworkers, and they discussed his conclusions.
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which of the following statements correctly describes the difference be…
A. Osmosis refers to the movement of water and Simple Diffusion refers to the movement of solutes.
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researcher joel berger wanted to know how the herd movement of arctic m…
D. deceived
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what type of cell transport is pictured in the diagram below? a active …
A. Active transport because particles are moving against their concentration gradient.
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molecules will move through a selectively permeable membrane until ther…
D. Passive transport because particles are moving with their concentration gradient until they are evenly dispersed.
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different types of flowering plants have different life cycles. for exa…
A. rare