生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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multiple choice question the medulla of the lymph node is supported by …
C. medullary cords
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multiple choice question the thymus is a ______ organ. bilobed circular…
A. bilobed
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which of these were true of the sandinistas? select three options. they…
They were led by Daniel Ortega. They received aid from the USSR. They supported revolutions in El Salvador.
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multiple choice question lymph from the breast travels through the ____…
B. axillary
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fill in the blank question each thymus lobule is divided into an inner …
cortex
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what is foreign policy? what were the reasons why britian wanted contro…
Foreign policy is the set of goals, strategies, and actions a country takes in its relations with other countries and international actors. Reasons Britain wanted control over Can…
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mushrooms, bread molds, and yeasts are classified together in the kingd…
They are heterotrophs
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multiple choice question all lymphocytes originate in the ______. o liv…
B. red bone marrow
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multiple choice question lymph moves only one way through lymphatic ves…
A. valves
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multiple choice question lymph vessels transport dietary ________. o ca…
C. lipids
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which element is an important component of macromolecules due to its ab…
B. Carbon
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37 matching 1 point match the property of water with its description. h…
High specific heat of water - It takes a lot of energy to heat up water, which allows for a stable environment High heat of vaporization of water - Evaporation requires large amou…
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5. examine the chart. what happens to the rumen microbial population af…
5. The rumen microbial population decreases as the number of antibiotic - treatment days increases. This may reduce the efficiency of cattle digestion of plant - based feed. 6. Pr…
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fill in the blank question lacteals pick up dietary
fats
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select all that apply choose all vessels that have valves. veins blood …
veins, lymphatic vessels
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fill in the blank question cancerous cells can travel from one part of …
Metastasis
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select all that apply choose all that are normal constituents of lymph.…
urea ions low concentration of protein water
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multiple choice question lacteals are located in the ______ tract. gast…
A. gastrointestinal
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multiple choice question interstitial fluid is found ______ of cells. i…
B. outside
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why did the stamp act provoke such strong colonial opposition compared …
**Why the Stamp Act provoked strong colonial opposition**: It was the first direct tax on the colonies, violating the colonists' principle of "no taxation without representation".…
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study the food pyramid. which trophic level has the greatest total amou…
Grain
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which best describes the role of enzymes in a chemical reaction? 29 reg…
increase the reaction rate
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an energy pyramid is shown. which best explains why a pyramid is used t…
Available energy decreases when moving up an energy pyramid.
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which best describes how enzymes function in the body? an enzyme is use…
Enzymes lower the activation energy of reactions.
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which cellular process converts solar energy into chemical energy? 17 r…
photosynthesis
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1. humans are unable to digest cellulose. no animal, in fact, can diges…
1. Symbiotic bacteria in the cow's rumen are responsible for digesting cellulose because they produce cellulase enzymes which animals cannot produce on their own. 2. Cellulase enz…
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10 multiple choice 1 point why did the dna appear as long, stringy, and…
DNA molecules are very long and coil together when precipitated
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9 multiple choice 1 point what role did the detergent (sds) in the homo…
It broke open cell and nuclear membranes
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8 multiple choice 1 point why was the mixture heated at 60°c and then c…
To denature enzymes and prevent DNA breakdown
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7 multiple choice 1 point if dna were placed in distilled water instead…
DNA would denature and lose stability
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6 multiple choice 1 point what was the purpose of filtering the onion m…
To remove large cell debris and foam
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5 multiple choice 1 point what was the main goal of the onion dna extra…
To isolate and observe DNA
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4 multiple choice 1 point why was salt (nacl) included in the homogeniz…
To neutralize charges and stabilize DNA
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3 multiple choice 1 point why was ice - cold ethanol added to the homog…
To precipitate DNA from solution
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2 multiple choice 1 point why were rna molecules not spooled with the d…
RNA is smaller and remains soluble in ethanol
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now, to prepare for your \family meeting\, you need to compose answers …
1. a) Clean, Infinite Energy for powering multiple sectors. b) Neural Interfaces and Cognitive Enhancement for improved human abilities. c) Advanced Genetic Engineering and Regene…
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28 multiple answer 1 point which end of the clavicle is described as th…
28. Acromial end 29. Acromion process
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according to the map, which would be the best location to build a geoth…
(Without seeing the full content of options B, C, D, if option A corresponds to a red area on the map) A. Option corresponding to red (excellent) area on the map
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why was the australian swamp tree (melaleuca) introduced into the everg…
# Breve explicación: La melaluca fue introducida en los Everglades en 1905 para drenar el exceso de agua del ecosistema. # Respuesta: To drain the excess water from the ecosystem.
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multiple - choice question when you create a good habitat, which specie…
# Breve explicación: Las especies que no están en riesgo tienen una base poblacional más estable y, por lo tanto, se benefician más de un buen hábitat. Las especies amenazadas o e…
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in which process, identified in the image, is a mutation first able to …
A. transcription
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multiple - choice question over the past century (100 years), this ecos…
# Breve explicación: No hay suficiente información en la pregunta para determinar con certeza la respuesta correcta. Sin embargo, en muchos ecosistemas, la pérdida de poblaciones …
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place each item into the proper category. positive effects of genetic e…
Positive Effects of Genetic Engineering: Agriculture, Pharmaceuticals, Disease Prevention, Transplants Negative Effects of Genetic Engineering: Herbicides and Pesticides, Mutations
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multiple - choice question how many animals are on the list of threated…
# Breve explicación: La lista de especies amenazadas y en peligro de extinción incluye más de 600 animales. Esta información se basa en los registros y estudios sobre la conservac…
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11 multiple choice 1 point plasmodesmata are unique to: animal cells fu…
C. Plant cells
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bobby agreed to be hypnotized during a comedy routine. while hypnotized…
the social - cognitive explanation of hypnosis
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10 multiple choice 1 point what would happen if the lysosomes malfuncti…
Waste would accumulate in the cell
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multiple - choice question are humans apex predators? no, we are at lev…
B. Yes, but we need weapons if we meet a hungry lion.
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8 multiple choice 1 point the network that helps vesicles move inside t…
C. Cytoskeleton
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multiple - choice question level 5 are apex predators false true
# Breve explicación: En la jerarquía trófica, los depredadores ápice a menudo se encuentran en niveles altos, como el nivel 5. Representan el ápice de la cadena alimentaria y no t…
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multiple - choice question tertiary consumer are what level? 2nd 4th
B. 4th
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in \from chicago to shantou,\ davis argues that, when working internati…
B. except in cases when doing so would violate core engineering principles.
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7 multiple choice 1 point plasmolysis occurs when a plant cell is place…
Hypertonic solution
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multiple - choice question level 3 are what? secondary consumers primar…
# Breve explicación: En una cadena alimentaria, los consumidores secundarios son del nivel 3. Los consumidores primarios son del nivel 2 y las vacas son un ejemplo de consumidores…
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6 multiple choice 1 point what happens to an animal cell in a hypertoni…
It shrivels
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multiple - choice question level 2 are what? primary consumers producer…
Primary consumers
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4 multiple choice 1 point which solution would cause water to flow equa…
A. Isotonic
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3 multiple choice 1 point in which transport process does the cell use …
C. Exocytosis
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multiple - choice question what is at level 1? consumers producers goat…
# Breve explicación: En una cadena alimentaria, los productores son el primer nivel. Son organismos autótrofos que producen su propio alimento a través de la fotosíntesis. Los con…
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2 multiple choice 1 point pinocytosis is a type of: osmosis endocytosis…
B. Endocytosis
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multiple choice 1 point which process would be used to move glucose int…
C. Active transport
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as you move up the pyramid there is less and less energy. false true
True
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which direction does water move in a hypertonic solution? into the cell…
B. Out of the cell
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10 multiple choice 1 point if a cell swells and bursts, it was placed i…
B. Hypotonic solution
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multiple choice 1 point a freshwater protozoan placed in saltwater will…
Shrink
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multiple - choice question omnivores eat both plants and animals false …
# Breve explicación: La definición de omnívoros es que son organismos que se alimentan tanto de plantas como de animales. # Respuesta: True
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multiple choice 1 point a cell has a 25% internal solute concentration …
Water will move in and out equally
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7 multiple choice 1 point in plant cells, a hypotonic solution causes: …
C. Turgor pressure
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what makes active transport different from facilitated diffusion? it us…
C. It requires energy input
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4 multiple choice 1 point pinocytosis is a type of: osmosis endocytosis…
B. Endocytosis
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multiple - choice question what is a tertiary consumer animals eating a…
# Breve explicación: Los consumidores terciarios son animales que comen a otros animales. Los animales que comen plantas son consumidores primarios. # Respuesta: animales comiendo…
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which of the following best describes the direction of water movement i…
B. Low solute to high solute
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2 multiple choice 1 point which of the following is an example of passi…
C. Facilitated diffusion
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you have unlimited attempts on this assignment. questions are pull like…
C. Release substances outside the cell
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3 tries left studies have found that certain chemicals that help repair…
restorative theory of sleep
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multiple - choice question animals are what? producers consumers rewatch
B. Consumers
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wood and paper are composed of a chitin. b cellulose. c glycogen. d cho…
B. cellulose
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which of the following statement(s) is/are true with respect to scienti…
E. All of the statements about scientific theories are true.
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a fatty acid that has double bonds is called a steroid. b cholesterol. …
C. unsaturated
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multiple - choice question which is a type of producers (select 2) rock…
B. grass C. weeds
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plants store their sugar in the form of a protein. b glycogen. c cellul…
D. starch
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what are the small gaps in the myelin sheath called? axon hillocks olig…
Nodes of Ranvier
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food web and food chain how many chains are in this picture multiple - …
# Explicación paso a paso: ## Paso 1: Identificar las cadenas alimenticias Una cadena alimenticia es una serie de organismos en la que cada uno se alimenta del anterior. En la ima…
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after watching television while surfing the internet on your tablet, yo…
The bright light from the TV and tablet is causing your pineal gland to release too little melatonin.
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
Connect neurons within the brain and spinal cord and are responsible for processing and integrating information.
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the circulatory system of a whale is considered an organ system because…
C. organs
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36 multiple choice 1 point a ation - state\ is defined by the congruenc…
D. The culture or ethnic community (nation) and the Political territorial entity(state)
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
C. Carry signals from the brain and spinal cord to the muscles and glands, controlling their movements.
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which of the following levels of biological organization is correctly m…
E. a desert with little water, high heat, sand, cacti, and some mammals - ecosystem
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
The depolarization of the cell membrane triggers the opening of voltage - gated ion channels, allowing positive ions to flow in and negative ions to flow out.
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
To act as a cushion, a barrier, and a source of nutrients and oxygen
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what are neurotransmitters? hormones that regulate the bodys metabolism…
Chemical messengers that bind to receptors on the next neuron, transmitting the signal across the synapse.
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multiple - choice question decomposers are producers consumers rewatch
# Breve explicación: Los descomponedores son organismos que descomponen materiales orgánicos muertos en nutrientes más simples, y no son productores (que son organismos autótrofos…
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multiple - choice question which has more biodiversity? food chain food…
# Breve explicación: La red alimentaria es una interconexión compleja de cadenas alimentarias. Incluye múltiples niveles tróficos y una gran variedad de organismos, lo que la hace…
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the more biodiversity in a food web, the greater the chance the food we…
# Breve explicación: La biodiversidad en una red alimentaria significa una mayor variedad de especies. Esto brinda resiliencia al ecosistema, ya que si una especie se ve afectada,…
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multiple - choice question consumers usually eat a single type of prey …
B. usually eat many different types of prey
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cellulose is a major component of the tough cell walls in plant cells. …
9. Starch has alpha - glucose monomers and can be branched; cellulose has beta - glucose monomers and forms straight, hydrogen - bonded chains. 10. Starch's branched structure aid…
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multiple - choice question what happens to the energy that is not trans…
# Breve explicación: En una pirámide de energía, no toda la energía se transfiere al siguiente nivel. La mayor parte de la energía que no se transfiere es perdida como calor, no e…
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how much available energy is transferred to the next trophic level? 10%…
10%
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question 4 3 tries left which theory of hypnosis includes the idea of a…
B. dissociative