生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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question 4 of 20 stages 3 and 4 are often referred to as _____ sleep. ○…
B. slow - wave
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if you wanted to observe the interior structure of a single cell with t…
D. transmission electron microscope ### Question 2
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which is a feature of rem sleep? low brain activity temporary immobilit…
B. temporary immobility
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4. the following dna gene creates the protein for long ears. use a codo…
4. - mRNA: $\text{CUC AGC GCA}$ - Amino acids: Leucine, Serine, Alanine - Short ears DNA sequence: $\text{GAG CCG CGT}$ (one valid option) 5. (Example answer) My dog has 4 dominan…
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cell organelles directions: label each organelle in the first column. t…
| organelle | keyword | function | plant cell/ animal cell/ both | |-----------|---------|----------|-------------------------------| | 1. Nucleus | Control Center | Stores the ce…
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use the dropdown lists to correctly complete the table. example | type …
To solve this, we identify the type of adaptation (structural, behavioral, or physiological) for each example: ### 1. Woodpecker’s beak A beak is a physical feature. **Type**: Str…
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4. cross a homozygous red eyed female with a white eyed male. write the…
### Question 4: - Parental Genotypes: Female = $X^RX^R$, Male = $X^rY$ - Offspring Genotypes: All females $X^RX^r$, All males $X^RY$ - Offspring Phenotypes: 100% red-eyed (all fem…
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use the dropdown lists to correctly complete the sentences. during peri…
First dropdown: physiological Second dropdown: survive environmental challenges
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apply it! use the dropdown lists to correctly complete the sentences. d…
To solve this, we analyze the context of plant dormancy during drought: ### First Dropdown (Type of Adaptation): Plant dormancy in response to drought (an environmental stress) is…
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epilepsy, a condition that causes interruptions in brain activity calle…
- Research on temporal lobe epilepsy may shed light on the mystery of déjà vu. - Déjà vu occurs randomly and without warning.
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apply it! drag and drop the terms to correctly complete the paragraph. …
First blank: behavioral Second blank: environment
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read a text about echolocation. perhaps due to brown bats strange - loo…
- Some bats use echolocation to hunt and navigate at night. - Echolocation provides a way to "see" without using one's eyes.
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the texas horned lizard has a flat, wide body covered in spiny scales t…
D. structural adaptations
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apply it! use the dropdown lists to correctly complete the paragraph. i…
The correct option for the dropdown (replacing "adaptations") is "variations". So the completed sentence is: "Longer or shorter legs are variations that determine how fast coyotes…
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apply it! use the dropdown lists to correctly complete the paragraph. i…
1. First dropdown: natural selection 2. Second dropdown: traits 3. Third dropdown: adaptation
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review it! the cactus and thorny devil live in the desert. they both ha…
A. protection from predators
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pregunta 4 (2 puntos)which of these inferences about the speaker is bes…
d. The speaker is humbled by the incredible support she has received.
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enzymes speed up chemical reactions. true false
A. True
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whenever atp is used by a chemical reaction, some energy is lost into t…
True
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whenever atp is produced by a chemical reaction some energy is lost int…
A. True
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● neolithic/first agricultural revolution ( evolution\ means big change…
1. plants; Subsistence; tools; human 2. 1700s (Great Britain); Industrial Revolution; crop rotation; breeding 3. 1900s; Green; production; processing; distribution 4. Southwest As…
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an enzyme is usually a protein that catalyzes chemical reactions. true …
True
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an enzyme is usually a lipid that catalyzes chemical reactions. true fa…
B. False
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moment of truth think you know everything there is to know about vaping…
RIGHT (the statement is correct as exercise is known to boost the immune system through various physiological mechanisms like improving immune cell activity and circulation).
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question 44 in the section \investigating life: does natural selection …
the amount of fluid in the intestines
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if a cell contains 95% water in its cytoplasm and the environment surro…
C. water will flow out of the cell by osmosis.
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examine the chart below for blood types blood type gene has three allel…
1. Punnett Square: | | $B$ | $B$ | |---|---|---| | $O$ | $BO$ | $BO$ | | $O$ | $BO$ | $BO$ | Genotype: 100% $BO$ Phenotype: 100% Blood Type B 2. Punnett Square: | | $A$ | $B$ | |-…
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up to 25% of a cells atp is used to run sodium - potassium pumps which …
Sodium and potassium would reach equilibrium.
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your liver produces 90% of the cholesterol found in your body. when cho…
D. negative feedback.
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c. multiple alleles examine the chart below for blood types blood type …
1. Genotype: All offspring are $I^B i$ Phenotype: All offspring have type B blood 2. Genotype: 50% $I^A i$, 50% $I^B i$ Phenotype: 50% type A blood, 50% type B blood
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the function of the cftr receptor is to move chloride ions out of a cel…
D. a reaction requiring the input (use) of energy (ATP)
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plants and animals that live in estuaries face a dilemma in maintaining…
C. dehydration by osmosis (assuming the third option is labeled C; if the original options have different labels, adjust the identifier but keep the text. Based on the options, th…
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an enzyme speeds up a reaction by lowering the activation energy needed…
A. reducing the force a ball needs to start rolling down a hill.
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cells use energy for which of the following? to do work to synthesize p…
E. All answers are correct
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one way to produce a vaccine is to heat a virus or bacterium and then i…
D. by denaturing proteins
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up to 25% of a cells atp is used to run sodium - potassium pumps which …
E. active transport.
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plants and animals that live in estuaries face a dilemma in maintaining…
A. bursting by osmosis
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the cftr transport protein moves chloride ions out of a cell by active …
D. a reaction that requires ATP.
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the two data curves on the figure illustrate that temperature ranges ar…
C. optimal temperature ranges are not the same for all enzymes.
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in the section \investigating life: does natural selection maintain cys…
A. Cholera toxin stimulates the membrane transport protein CFTR leading to increased osmosis of water released from the body.
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a bowl of sugar water is very stable. but if you feed sugar to cells, i…
1. Enzymes in the cell catalyze the breakdown of the glucose.
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in a process called ______ , the lens becomes flatter when viewing dist…
A. accommodation
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changes in the tide level can cover plants and animals that would usual…
C. water moving out of the cells by osmosis, so they dehydrate.
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which of the following is incorrect about turgor pressure? it occurs in…
It occurs in an organism with cell walls when placed into a hypertonic environment.
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these diagrams show three cell types—prokaryotic, plant, and animal—wit…
| | Prokaryotic cells | Plant cells | Animal cells | | --- | --- | --- | --- | | Cytoplasm | ✔️ | ✔️ | ✔️ | | Cell membrane | ✔️ | ✔️ | ✔️ | | Membrane - bound organelles | ❌ | ✔️…
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which of the following is incorrect about turgor pressure? it occurs in…
It occurs in an organism with cell walls when placed into a hypertonic environment.
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if the environment surrounding a cell has a lower concentration of solu…
the environment is hypotonic to the cell.
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oxidation - reduction reactions - transfer electrons from one molecule …
A. transfer electrons from one molecule to another.
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the diffusion of water across a selectively permeable membrane is calle…
D. called osmosis.
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enzymes speed chemical reactions by lowering the amount of reactants th…
C. lowering the energy required to start a chemical reaction. (Note: Assuming the third option is labeled C; if the original options had different labels, adjust the label accordi…
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the region of an enzyme where the substrate binds is called the active …
A. the active site.
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the reactants of photosynthesis are water and carbon dioxide. organic c…
A. water and carbon dioxide.
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the molecule (molecules) that fits into the active site of an enzyme an…
D. a substrate
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the energy source that powers photosynthesis is water. glucose. carbon …
D. sunlight.
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if a cell has a greater concentration of solute than its environment th…
the cell is hypertonic to the environment.
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the law of energy conservation states that energy can be __________ fro…
converted (or transformed)
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the movement of sodium ions from a region of lower concentration inside…
active transport (or sodium - potassium pump, as the sodium - potassium pump is a type of active transport that moves sodium ions out of the cell against their concentration gradi…
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______ occurs when a molecule (such as the reaction product) competes w…
Competitive inhibition
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the process by which glucose can pass through a cell membrane using a s…
facilitated diffusion
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some substances pass freely through the phospholipid membrane of a cell…
selectively permeable
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the reactant (or substance) acted upon by an enzyme is called its . ent…
substrate
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molecules of ______ temporarily store energy from food molecules to pow…
ATP (adenosine triphosphate)
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which of the following is not one of the first 4 steps in the accountin…
Prepare the Statement of Cash Flows
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multiple choice question malleability of the brain is also known as ___…
plasticity
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fill in the blank question built - in reactions to stimuli that govern …
reflex
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fill in the blank question myelination enables signals within the brain…
faster
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multiple choice question gross motor skills: begin with the moro reflex…
involve large-muscle activities
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multiple choice question the process in which neuronal cells acquire sp…
differentiation
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multiple choice question neurons receive messages through fiberlike ext…
C. dendrites
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osmosis is a special form of ______. enter answer
diffusion
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multiple choice question what is not one of the four lobes of the cereb…
A. caudal
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true or false question reflexes are voluntary responses to stimulation.…
False
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on march 15, complete computer service purchased a $25,000 building in …
The correct journal entry is the second option: | Date | Accounts | Debit | Credit | |------|----------|-------|--------| | | Building | 25,000| | | | Notes Payable | | 25,000|
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fill in the blank question the process of coating neural pathways with …
Myelination
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multiple choice question which of the following concepts describes the …
lateralization
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multiple choice question the process by which neurons coordinate the ac…
A. integration
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question 1 beer, eisenstat and spector summarize that many companies ar…
False (the option selected in the image is correct) ### Question 2
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multiple choice question which structure in a neuron is responsible for…
O axon
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multiple choice question at what age does the brain grow to roughly its…
D. 6 years
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on march 16, complete computer service received a building with a fair …
The correct option is the first one (the one with "I AM SURE" label): - Date: (blank, as the date is March 16 but the table has date blank) - Accounts: Building (Debit: 3,000), Co…
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fill in the blank question the four lobes of the brain are the occipita…
frontal
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fill in the blank question the central nervous system consists of the a…
brain
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fill in the blank question the specialization of function in one hemisp…
lateralization
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multiple select question select all that apply which of the following s…
- Growth starts with spurts. - Growth occurs in fits. - Different parts of the brain grow more rapidly.
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multiple select question select all that apply in the u.s., which of th…
- baby diagnosed with galactosemia (a genetic metabolic disorder) - exposure to radiation - infection with the AIDS virus
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the brain and the spinal cord are part of the ______. central nervous s…
central nervous system
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select all that apply in which of the following populations are the hig…
- Black Americans - Latinos - American Indians/Alaska natives
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multiple choice question alexander is an infant who is beginning to eat…
proximodistal
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on january 20, complete computer service purchases $200 of office suppl…
The correct journal entry option is the one labeled "I AM SURE" with: - Date: (left blank as per the problem's table structure) - Accounts: Office Supplies (Debit: 200), Accounts …
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multiple choice question the physical growth pattern in which the earli…
A. cephalocaudal
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multiple choice question growth in height and weight during the first f…
rapid; decreases
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multiple choice question the ______ involves the sequence in which grow…
D. proximodistal principle
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read the story. the correspondent 1 there was a longstanding mystery in…
She thinks her dad is hiding something from her.
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7. why would artificial plant - growth lights have a light spectrum tha…
7. Artificial plant-growth lights favor blue and red light because chlorophyll, the key pigment for photosynthesis, absorbs these wavelengths most efficiently to fuel the chemical…
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when all the costs of production are paid by sellers and all the benefi…
no externalities.
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analyzing data chargaff’s rule erwin chargaff was interested in the wor…
1. The percentage of adenine (A) is approximately equal to the percentage of thymine (T), and the percentage of guanine (G) is approximately equal to the percentage of cytosine (C…
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opportunity cost exercise 1 the opportunity cost of an action is always…
the next-best alternative for the resources used to undertake the action.
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7. define these terms industrial revolution textile looms labor force y…
1. Industrial Revolution: A period of 18th/19th-century shift from agrarian to machine-based industrial economies, originating in Britain. 2. textile: A fabric made from woven, kn…
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dr. gonzales recorded a count of 160 bacteria present in a culture. aft…
$N(t) = 160e^{0.15t}$
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in a census, rose hills had a population of 400. after 13 years, the po…
$P(t) = 400e^{0.06t}$