Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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which organelle is double membrane - bound? endoplasmic reticulum mitoc…
Mitochondria
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organelle characteristics which is not a general characteristic of orga…
Enclosed in a lipid membrane
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which organelle is the site of dna replication in eukaryotic cells? cyt…
C. Nucleus
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for each learning activity, click to specify if the activity falls into…
1. Psychomotor 2. Cognitive 3. Affective 4. Cognitive 5. Cognitive
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3 name 2 structures that are common to both prokaryotes & eukaryotes. 4…
3. Cell - membrane: Controls substance movement; Ribosome: Protein synthesis. 4. N/A (No structures shown to identify). 5. N/A (No structures shown to identify). 6. N/A (No struct…
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what is the site of protein synthesis? nucleus ribosome mitochondria sm…
Ribosome
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what best describes the \three principles of the people\? the agreement…
Sun Yat - sen's ideas for governing China
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factors that affect learning which personal qualities did students iden…
Commitment to learning, Confidence, Enthusiasm to succeed, Compassion
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which of the following did the revolution of 1911 achieve in china? sel…
The Revolution of 1911 established a republic. The Revolution of 1911 ended imperialist rule.
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function of organelles organelles perform a specific function. true fal…
True
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mitochondria function what is the role of the mitochondria, known as th…
It will make energy (ATP) for the cell.
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each cell contains only one organelle: the nucleus. true false
False
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the tiny firefly squid has a wondrous ability: it can create its own li…
The firefly squid's light - producing photophores help this animal survive in its dark environment. By giving off light, the squid can attract both mates and prey and make itself …
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which sterol derived component of the plasma membrane provides protecti…
D. Cholesterol
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diffusion of glucose into rbc is an example of what type of membrane tr…
Facilitated diffusion
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the fluid compartment that surrounds the cells of your body is known as…
extracellular fluid
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despite antarcticas extreme cold, dryness, and limited sunlight, two fl…
These traits highlight how Antarctic hair grass and pearlwort survive in a difficult environment.
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the concentration of solutions can be expressed as macromolecules activ…
osmolarity
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osmosis is defined as the movement of water across a membrane from an a…
C. low; high
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the sodium - potassium atpase pump is an example of passive transport f…
active transport
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fluid mosaic model what is the term used to describe the cell membranes…
A. Amphipathic
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phospholipid bilayer which term best describes the essential property o…
It consists of a hydrophobic tail and a hydrophilic head.
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if a red blood cell (rbc) is placed in a hypotonic solution, the rbc wi…
swell up
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simple diffusion true/false: exchange of oxygen with carbon dioxide occ…
True
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passive transport all of the following are characteristics of passive t…
Substances move downhill, from high to low concentration, and require energy expenditure.
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answer the question to review hereditary spherocytosis. hereditary sphe…
Transmembrane protein, A peripheral protein, Spectrin
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a catalyst is a molecule made of proteins glycoproteins glycolipids car…
proteins
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membrane proteins what type of membrane protein is the na⁺/k⁺ atpase pu…
B. Transmembrane
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peripheral membrane proteins where are peripheral membrane proteins loc…
In the outer layer of the membrane, In the inner layer of the membrane
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a microbiologist is examining an organism under the microscopic and not…
C. Bacteria
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the spans from the nucleus to the cell membrane. cytosol cytoplasm ribo…
cytoplasm
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protein synthesis where does protein synthesis take place? mitochondria…
B. Ribosomes
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question 1 of 5 1 point always use metal and cellulose acetate combs fo…
False
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lastly, vending machines can also offer resources for teachers and stud…
call to action
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structures common to both prokaryotic and eukaryotic include what? sele…
B. Cytoplasm, C. Cytosol, D. Plasma membrane
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nucleus a nucleus is found in __________. neither eukaryotic nor prokar…
eukaryotic cells
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which cellular structures are common to all types of cells, both prokar…
A. Cytoplasm B. Plasma membrane D. DNA E. Ribosome
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prokaryotic cells which statement is true of all prokaryotic cells? the…
They are unicellular.
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question 4 (2 points) when a neuron membrane is \at rest,\ which of the…
Question 4: B. There are large amounts of potassium (K+) ions inside the cells. Question 5: Atropine, Scopolamine
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4 for the given structures, list their name and function.
1. Chloroplast (assuming), Function: Photosynthesis 2. Nucleus (assuming), Function: Stores genetic information and controls cell activities
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1) select the one prepositional phrase. 1) before louisa may alcott pub…
Before Louisa May Alcott published Little Women
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select the three prepositional phrases. american businessman dennis tit…
to the International Space Station, with two Russian cosmonauts, on this historic flight
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which cell parts are evidence that eukaryotes evolved through the proce…
B. The existence of chloroplasts for photosynthesis., C. The presence of mitochondria inside the cell.
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match each domain of life with its most notable cellular feature. (1 po…
Archaea - Has unique cell membranes suited for extreme habitats. Bacteria - Contains simple cells that do not have a nucleus. Eukarya - Includes complex cells that contain a nucle…
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due to endosymbiosis, what features made eukaryotes more successful tha…
The ability to produce energy using mitochondria., The development of specialized parts called organelles.
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match each part of a phylogenetic tree to the relationship it shows. (1…
Patterns - Reveal how different groups are related through evolution. Branches - Represent the lineages of different groups over time. Nodes - Show a common ancestor shared by two…
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arrange the taxonomic levels from the broadest to the most specific cat…
Domain, Kingdom, Phylum, Class, Order, Species
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when reading a phylogenetic tree, which features give the best clues ab…
B. The nodes that show a recent common ancestor., G. The branching patterns that show how lineages split.
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which pieces of evidence support the theory that mitochondria and chlor…
They are surrounded by two separate membranes., They reproduce by themselves inside the host cell., They contain their own circular DNA, like bacteria.
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select the correct answer(s) from the list(s). (1 point) a is a group t…
A. clade
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drag and drop the words into the correct locations. (2 points) plants u…
photosynthesis, roots, environments
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select the correct answer(s) from the list(s). (1 point) phylogenetic t…
branches, nodes
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select the correct answer(s) from the list(s). (1 point) is the science…
Taxonomy
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lo 5.1. what are the major skeletal muscles in the body? sartorius, gra…
Biceps, triceps, deltoids, pectorals, abdominals, quadriceps, hamstrings, and glutes
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lo 5.1. what are cardiac muscles responsible for? pumping blood through…
Pumping blood throughout the body
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lo 5.1. what are smooth muscles responsible for? involuntary movements …
A. Involuntary movements, E. Digestion of food
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what role does the blood - brain barrier play in maintaining the balanc…
It helps to regulate the movement of these substances in and out of the brain, which is essential for proper brain function.
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practice it what substances are allowed to pass through the blood - bra…
Important substances like oxygen and nutrients that the brain needs to function properly.
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what type of cells form the blood - brain barrier? white blood cells th…
Tightly packed cells that line the blood vessels in the brain.
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
The spinal cord transmits information between the brain and the rest of the body
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bio - 201 topic 5: neuronal communication and the brain practice it why…
Regular exercise is crucial for maintaining optimal brain function and overall neurological health. It increases blood flow to the brain, which can improve cognitive function and …
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bio-201 topic 5: neuronal communication and the brain practice it why i…
Drinking enough water is essential for the production and circulation of CSF, which helps to remove waste products and maintain the balance of electrolytes in our nervous system.
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bio-201 topic 5: neuronal communication and the brain practice it what …
To act as a cushion, a barrier, and a source of nutrients and oxygen
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bio - 201 topic 5: neuronal communication and the brain practice it lay…
1. Dura mater 2. Arachnoid mater 3. Pia mater
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list, in order, the 5 components of a reflex arc. move the blocks into …
1. Receptor 2. Sensory or Afferent Neuron 3. Control Center 4. Lower Motor or Efferent Neuron 5. Effector
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practice it why is understanding the structure and function of neurons …
To understand how the nervous system works and how it can be affected by disease or injury.
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practice it what happens when an electrical signal reaches the end of a…
It triggers the release of neurotransmitters.
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practice it what are synapses? tiny blood vessels in the brain. the liq…
Junctions between neurons.
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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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bio - 201 topic 3: neuronal communication and the brain practice it wha…
Carry signals from the brain and spinal cord to the muscles and glands, controlling their movements.
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bio - 201 topic 5: neuronal communication and the brain practice it wha…
Carry information from the sensory receptors in the body to the brain and spinal cord.
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practice it why is saltatory conduction important? it is only important…
It allows for rapid and efficient transmission of signals in the nervous system
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practice it what happens when an action potential reaches a node of ran…
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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what are the small gaps in the myelin sheath called? oligodendrocytes n…
B. Nodes of Ranvier
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practice it what is saltatory conduction? a type of action potential pr…
B. A type of action potential propagation that occurs in myelinated axons where the signal jumps from node to node
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practice it what are the two types of glial cells that produce myelin? …
C. Oligodendrocytes and Schwann cells
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practice it what are the three main parts of a neuron? cell membrane, c…
C. Dendrites, cell body, axon
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weather weath - er weth - er middle english; old english weder, german …
It is time to find out whether Janey chose the truck or the sedan.
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a group of organisms that are closely related and are able to reproduce…
1. C. species 2. C. population 3. C. community
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3) choose all that apply. what five things do ecosystems need to surviv…
3) Mineral nutrients, water, energy, oxygen, living organisms 4) Organism
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what is an ecosystem? the place that an organism lives a group of organ…
1. all organisms living together in a physical environment in a certain area 2. ecosystem 3. water, mineral nutrients, space
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ethnic differences in skin color are primarily caused by differences in…
the type and quantity of melanin produced
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fingerprints left on things we touch are associated with our _________.…
E. dermal papillae
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which of the following cells is largely responsible for skin color? mul…
C. Melanocyte
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14 hair and nails are composed of collagen. 0.5 points true or false tr…
False
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which of the following are associated with the sense of touch? multiple…
D. Tactile cells
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is/are formed partly from the secretions of glands in the external ear …
E. Cerumen
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the \abcde rule\ for recognizing early signs of malignant melanoma refe…
E. Asymmetry, border irregularity, color, diameter, and evolution
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which five things do living organisms need? stimulus space metals water…
stimulus, space, water
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11. choose the best answer. lynn is reading some research that reports …
B. fictional ### 12.
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9. choose the best answer. ____ is the measure that shows how much vari…
9. D. Standard deviation 10. D. the gold standard for reporting good scientific research
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the hypodermis is characterized by an abundance of which tissue? multip…
Adipose tissue
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which layer of the epidermis consists of up to 30 layers of dead cells?…
A. Stratum corneum
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researchers carolina laura morales and anna traveset gathered data abou…
A. 0.7905
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section -a tick the correct option : 1. which of the following is a tru…
1. Multiple - choice: - 1. b. Sugar in Water - 2. a. Mouth - 3. a. 3 - 4. a. C - 5. a. 100 N 2. Fill in the blanks: - 1. cooling - 2. Tendon - 3. involuntary - 4. distance - 5. 16…
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sheep and macaque monkeys can see in three dimensions (3d), which helps…
D. The findings of Wardill's team's study suggest that like sheep and macaque monkeys, cuttlefish may also have 3D vision.
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researchers examining data from the new horizons space probe, which pas…
B. It implies that the research team eliminated an alternative explanation for the crater based on available evidence.
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each individual osteocyte or chondrocyte resides within a little space …
D. Lacuna
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which of the following is not a type of fibrous connective tissue? mult…
D. Hyaline cartilage
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2. who completes photosynthesis?
Plants, algae, and some bacteria