Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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why do the hydrophobic tails of phospholipids point inward in the bilay…
C. They repel water
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q1. why do animals use lipids instead of carbohydrates as energy storin…
Q1 and Q2: Lipids store more energy per gram and are more space - efficient. Question 1: Glycogen
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case study figure 18 - 5 selection on a single - gene trait natural sel…
Point mutations (substitution, insertion, deletion) can be the type of mutation in disease - causing bacteria that lead to changes in allele and phenotype frequencies.
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procedure: day 1 - students found the mass in grams of their shelled eg…
C. No. The egg initially in vinegar had an increase in mass therefore vinegar would be hypotonic to the egg's contents
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5. how many unique possible combinations of nucleotide bases are there …
64
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classify the responses in the given situations as part of innate immune…
Innate Immune Response: Swelling occurs around the area of a scratch., A person has a high fever during a viral infection. Adaptive Immune Response: A person injected with the typ…
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knowledge check match the terms with their definitions by dragging the …
Radio Collar - Tracking device that is monitored through a radio frequency Snare Plate - Aluminum plate added to many tracking collars for safety reasons GPS Tracker - Tracking de…
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a student carried out an experiment to determine how different concentr…
D. High sucrose concentrations caused more distilled water to move into the bags. E. There is a correlation between sucrose concentration in the bag and the rate of osmosis in the…
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inquizitive: chapter 4: life is cellular: viral invasion stratfordprodu…
Water moves out of the cell.
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what is the biological term for a set of three nucleotide bases that ma…
D. codons
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the abbasid caliphate, a powerful government during the islamic golden …
C. They contributed to the rise of independent local dynasties that eventually weakened the central authority of the caliph.
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both prokaryotic and eukaryotic cells are surrounded by a and have that…
plasma membrane, DNA, nucleus, ribosomes
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3 in eukaryotes, what is the term used for codons that do not code for …
C. introns
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during an annual check - up, the doctor typically feels the lymph nodes…
C. the body is experiencing an infection
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all living things use nitrogen to a reproduce. b make sugar. c make pro…
C. make proteins
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complete the following passage. its a sad day. you bought a fish at the…
hypertonic, osmosis, water, out of
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this is a macromolecule that holds cell information in a coded form. ma…
1. Nucleic acid 2. Lipid 3. Protein 4. Nucleotide 5. Macromolecule
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primary source analysis- george washington \i have already intimated to…
While it may be difficult to completely avoid the formation of political parties due to human nature, their negative impacts can be controlled through governance.
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order these cell parts from those found in the fewest types of cells to…
chloroplasts, mitochondria, ribosomes
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drag each tile to the correct location. match each literary movement wi…
Romanticism: focus on beauty of nature, use of supernatural creatures Realism: focus on social issues, use of everyday characters
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drag the item from the item bank to its corresponding match. this is th…
1. ATP 2. Carbohydrates 3. DNA 4. Nucleic acids
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match the characteristics of living and nonliving things to the appropr…
cannot maintain internal homeostasis: nonliving made of cells: living made of elements: both living and nonliving cannot sense the environment: nonliving
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you and a group of friends are spending your vacation hiking through th…
B. lipids (fats)
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2 what are some methods scientists have discovered that can stop a viru…
All of the above options can be methods to stop a virus from spreading in its host. So the selected options would be: prohibit the RNA polymerase from starting initiation, use ant…
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a biome is a group of ecosystems that share which of the following? che…
A. similar climate C. similar vegetation D. similar wildlife
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cells rely on proteins, and many of the organelles in a eukaryotic cell…
nucleus, rough endoplasmic reticulum, Golgi apparatus, lysosome
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which type of molecule makes up the double layer of a cell membrane? a …
B. lipid
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drag the correct terms to complete the passage. is the process in which…
endocytosis, plasma membrane, vesicle
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a student is trying to build muscle weight for a wrestling competition.…
A. Nutrition Facts (Serving Size: 2 tablespoons (36g), Amount Per Serving: Calories 190, Calories from Fat: 110, Total Fat 18g, Saturated Fat 2.5g, Trans Fat 0g, Cholesterol 0mg, …
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put the following levels in order from simplest (1) to most complex (6)…
organism (1) population (2) community (3) ecosystem (4) biome (5) biosphere (6)
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how do organ systems work together to deliver nutrients from food throu…
C. The digestive system breaks down food and the circulatory system transports nutrients to cells.
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which of the following are present in bacteria? present in bacteria dra…
Present in Bacteria: membrane, DNA, cytoplasm, ribosomes Not Present in Bacteria: mitochondria, endoplasmic reticulum, lysosomes
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hemoglobin is a protein present in red blood cells. in the genetic dise…
1. Mutation occurs in DNA sequence 2. Abnormal sequence of amino acids forms 3. Proteins that form are abnormal in shape and behavior 4. Cell shape is irregular, resulting in abno…
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students are studying how mutations in dna that result from external fa…
A. Radiation from the Sun alters the DNA coding, which results in a new trait in the organism. D. Exposure to chemical pollutants alters the base sequences in DNA, which introduce…
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living things require specific organic molecules in order to survive. t…
A. lipids, B. proteins, C. nucleic acids, D. carbohydrates
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i am: double stranded found in the nucleus have four nitrogen bases con…
A. DNA
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match the digestive organs with their functions. stomach pancreas small…
Mouth - moistening and mechanical digestion of food Stomach - mechanical and chemical digestion of food, with acids and enzymes Liver - aiding in chemical digestion of fats Pancre…
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most receptor proteins are embedded in the __________ of the cell membr…
A. lipid bilayer
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students are creating a model to show how plants and animals are involv…
Air: carbon dioxide source Plant: stores carbon in glucose, produces oxygen Plant or animal: breaks down glucose with water, produces carbon dioxide
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a group of mice used to include many mice with spotted fur and a few wi…
B. The ratio decreased over time. E. Gradually, a higher proportion of solid mice than spotted mice survived after the habitat changed.
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drag the tiles to the correct boxes to complete the pairs. match the di…
mouth - moistening and mechanical digestion of food stomach - chemical digestion and absorption of nutrients liver - aiding in chemical digestion of fats small intestine - chemica…
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understanding human development and culture crossword puzzle use your v…
Across: 1. Neurotransmitter 6. Cerebral hemispheres 7. Myelin sheath 10. Central nervous system 11. Limbic system Down: 2. MRI 3. Occipital lobe 4. Nucleus 5. Cerebral cortex 8. N…
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what is the function of folds and villi? a. trapping food particles tha…
B. increasing surface area to improve nutrient absorption between the digestive and circulatory systems
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match the terms to their correct definition. a group of organisms of th…
1. Population 2. Ecosystem 3. Organism 4. Community
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this question has two parts. use the information to answer part a and p…
Part A: A. $S = L$ Part B: A. The numbers of long - necked and short - necked tortoises are stable.
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2. what are some methods scientists have discovered that can stop a vir…
prohibit the RNA polymerase from starting initiation, stop the RNA polymerase from moving along the DNA strand, destroy the RNA polymerase altogether
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which of the following elements are most abundant in biomolecules? (cho…
A. Carbon C. Nitrogen D. Hydrogen F. Oxygen
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read the excerpt from \the flood\ by james baldwin and so they walked o…
B. Baldwin focuses on a broader setting that the new creation inhabits, while Nappi's setting is more specific to one location
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a certain population of birds can have one of three beak lengths: short…
From left to right in the boxes on the graph: Long Beak Length, Average beak length at the beginning of the study, Short Beak Length, Average beak length at the end of the study.
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1. what nucleotide base in dna is replaced by uracil in rna? cytosine g…
D. thymine
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students are asked to create a model that shows the components that hel…
nerve cell → brain tissue → brain → nervous system
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gastroparesis is a condition that causes a partial paralysis of the sto…
C. damage to nerves that control the stomach
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5. what is the key to the linking of nucleotides that form the sugar - …
a phosphodiester bond
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non - governmental organizations (ngos) operate independently from any …
C. The International Red Cross
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students notice that they have memories associated with certain smells.…
chemical stimulates odor receptors → nerve cells process information → the brain processes information → memory is stored
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which sentence is punctuated correctly? when studying mythology, i lear…
None of the sentences are punctuated correctly.
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which of the following dye is used to load the dna samples in gel? all …
E. Ethidium bromide
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non - governmental organizations (ngos) operate independently from any …
C. The International Red Cross
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¿cómo se llama el periodo en el que los españoles gobernaron en nuestro…
c) Virreinato
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the primary purpose of the _________________________ is promoting econo…
B. World Bank
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4. what is the function of the single - strand binding proteins (ssb) d…
to bind temporarily to each strand of DNA and keep them separated during replication
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3. what are the three chemical molecules that make up the subunits of d…
D. sugar, phosphate, and nitrogen base
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what is the primary role of the local government in public safety? a cr…
B. Managing police and fire departments
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2 using the following nucleotide sequence, predict the complementary st…
3'-AATTTGGGCAACCTTG-5'
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1. why is dna called a macromolecule by scientists? because the nucleot…
because DNA is a massive polymer that contains many different parts
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doctors use antibiotics to kill harmful bacteria. bacteria with antibio…
C. Resistant bacteria are more likely to reproduce, so resistance is becoming more common.
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20. what are the three main ways organisms adapt to their environment?
Structural, physiological, behavioral.
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18. the ____________ is a buoyancy organ possessed by most bony fish. i…
swim - bladder
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as part of an experiment, you decide to add table sugar (sucrose) and t…
sucrose, water
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details no additional details were added for this assignment. drag the …
Cohesion: Attraction between water - water molecules Adhesion: Attraction between water and other substances Capillary Action: Movement of water in narrow spaces due to cohesion a…
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the fluid mosaic model of the cell membrane explains its permeability. …
selective, hydrophobic, polar and hydrophilic, transport protein
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5. what does heredity mean? a human genetic disorder traits passed down…
traits passed down from parent and grandparents to offspring
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4. what does the term mutation mean in regards to human genetics? damag…
damage to a strand of DNA that results in damage to genes
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17. fish tails: match the tails to what they are adapted for: a. emargi…
B. Lunate
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which type(s) of transport does this image demonstrate? correct answer(…
passive, diffusion
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remarks the answers are easy to check (step 6). for example, check the …
(a) $-3.46$ m/s² (b) $45.0$ m
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complete the following passage. viruses are not composed of one or more…
cells, DNA, energy, reproduce, evolve
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8. although he raised his voice to ______ the important points of his s…
8. D. accentuate 9. C. comprehensive 10. A. ambiguous 11. A. intricacy 12. B. impregnable 13. D. ambiguous 14. D. inception 15. A. felicitous
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3. which trait among the following is completely due to the expression …
your skin color
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which cell structure is made of a bilayer of phospholipids and encloses…
B. cell membrane
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what are the two main steps called during flow of genetic information f…
Transcription and translation
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which of the following cell structures are primarily involved in mainta…
cell wall, cytoskeleton
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2. what are some types of ionizing radiation that can cause mutations i…
B. X - rays, C. alpha radiation, D. gamma rays
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what are the differences between passive transport and active transport…
- Difference Between Passive and Active Transport: Passive transport does not require energy input, Passive transport relies on a concentration gradient. - Not a Difference Betwee…
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question 26 (1 point) the name of the famous theory proposed by crick t…
Central dogma of molecular biology
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opportunity cost a. only is considered for goods in short supply. b. is…
B. is the value of the next best alternative as a result of choosing some given alternative.
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1. what type of mutation causes sickle - cell anemia? silent mutation c…
C. missense mutation
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computer vandalism falls under the category of crimes where the compute…
1. True 2. False
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kingdom, domain, phylum, order, class, family, genus, species domain, k…
B. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
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steroids and lipids cannot easily pass through the cell membrane. true …
FALSE
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13. why do scientists use a universal naming system?
To ensure clear and unambiguous communication, easy identification and classification of organisms for research and study across regions and languages.
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dna was first extracted by watson and crick maurice wilkins friedrick m…
C. Friedrick Miescher
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hydrophilic molecules can pass through the cell membrane without assist…
FALSE
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essential questions directions:read each question and answer. think abo…
1. The French revolted because they endured unfair treatment from the king and church leaders and wanted change for a more just and free life. 2. The Bastille was a prison - like …
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the structure of the phospholipid molecule consists of ______ tail(s) a…
A. two hydrophobic, one hydrophilic
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how does the cell membrane help the cell? select all that apply a forms…
A. forms a barrier between the inside and outside of the cell C. allows small hydrophobic molecules to cross through D. controls everything that enters and leaves the cell
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put the secretory protein synthesis actions in sequence from beginning …
1. Gene transcribed into RNA 2. RNA leaves nucleus, enters cytosol 3. Ribosome latches on to RNA to begin peptide synthesis 4. Ribosome and RNA complex moves to RER membrane 5. Pe…
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part b which sentence from the \four freedoms\ speech best supports the…
# Breve explicación: El discurso "Four Freedoms" enfatiza los valores democráticos y la cooperación entre países libres. La opción d se alinea con estos temas al hablar de la coop…
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there are a few types of unusual infectious particles in the world. vir…
prion, viroid, virus, bacteria
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assume that in a 50 - base - pair dna fragment (total 100 bases in both…
40