Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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open response: ducks have adapted to sleep with one eye open. when they…
### Biological Advantage: Ducks gain the ability to detect predators while resting (via unihemispheric sleep with one eye open), optimizing rest and predator avoidance. They can r…
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period 2nd graphing practice for each research project described below,…
## Graph Construction: - **Type**: Bar Graph - **X - axis**: Food Source (lettuce, mushroom, dog food, spinach, apple, peach, orange) - **Y - axis**: Food Eaten (grams) (scale 0 -…
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open response: a population of ground - dwelling animals is able to sur…
### Adaptations: Animals may develop better climbing abilities (e.g., stronger limbs, more prehensile tails in some species), improved visual acuity to locate fruit in the canopy,…
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5. what class of cnidarians is a portuguese man of war? hydrozoa anthoz…
A. Hydrozoa
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10. which statement best explains why biodiversity increases stability?…
C. Multiple species can fill similar roles if one declines ### Question 11
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4. which of the following cnidarian classes is made entirely of animals…
C. Anthozoa
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7. why does energy decrease at higher trophic levels? a. energy cycles …
B. Energy is lost as heat during metabolism ### Question 8
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2. what class of cnidarians is mostly corals and sea anemones? ○ calcar…
C. Anthozoa
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6. which process requires energy from the cell? a. diffusion b. osmosis…
C. Active transport
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5. which best describes a selectively permeable membrane? a. lets every…
C. Controls what enters and leaves the cell
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1. what are the three layers make up the body of a cnidarian? - endoder…
A. endoderm, mesoglea, ectoderm
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4. which example best represents negative feedback? a. a cut healing wi…
B. Sweating to lower body temperature
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3. which statement best connects photosynthesis and cellular respiratio…
B. Photosynthesis makes glucose used in respiration
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open response: the graph below depicts the growth of a yeast population…
(Part A): Point C (or the region of highest population density on the graph, typically the stationary phase part of the yeast growth curve)
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2. why do muscle cells contain many mitochondria? a. they divide quickl…
B. They require high ATP output
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name passion period 2nd graphing practice for each research project des…
Appropriate graph: Bar graph (with labeled axes, title as above, and bars drawn to respective heights). Conclusion: Slugs prefer apple and mushroom (highest grams eaten) and avoid…
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open response: fur color in a specific animal is controlled by a sex - …
The probability that the female offspring will have brown - patterned fur is \(\frac{1}{2}\) (or 50%).
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practice multiple choice circle the best answer. 1. which statement bes…
B. ATP provides immediate energy for cell processes
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lipids are a diverse group of biological macromolecules that include tr…
False ### Statement 2: "The structure of a lipid impacts its properties."
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determine whether each statement describes a property of phospholipids,…
| | phospholipids | triglycerides | | --- | --- | --- | | contain a polar phosphate group | ✔️ | ❌ | | build cell membranes | ✔️ | ❌ | | are energy - storage molecules | ❌ | ✔️ | …
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which model best represents the lipid bilayer of a cell membrane? extra…
The model in the top - left (with hydrophilic heads facing extracellular and intracellular environments, and hydrophobic tails in between) best represents the lipid bilayer of a c…
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open response: a vast national park has a highway running through the m…
- Benefit: Increased gene flow (maintaining genetic diversity) among animal populations. - Unintended consequence: Spread of diseases between previously isolated animal population…
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dna v. rna questions 1. what is the full name for dna? 2. what is the f…
1. Deoxyribonucleic Acid 2. Ribonucleic Acid 3. a. DNA has deoxyribose sugar; RNA has ribose sugar b. DNA is double-stranded; RNA is single-stranded c. DNA contains thymine; RNA c…
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if phospholipids are dropped in water, they can form a ball - shaped st…
The phospholipid \(\boldsymbol{\text{hydrophobic tails}}\) face away from the water because they are \(\boldsymbol{\text{hydrophobic}}\). The phospholipid \(\boldsymbol{\text{hydr…
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terms 1. mitochondrion ______ 2. chloroplast ______ 3. ribosome ______ …
1. T 2. I 3. L 4. R 5. C 6. F 7. O 8. B 9. M 10. E 11. N 12. G 13. Q 14. J 15. P 16. H 17. S 18. A 19. K 20. D
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which category? able to swim most its life hydrozoa scyphozoa anthozoa
B. Scyphozoa
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that mix with water are called hydrophilic, or water-loving. the fatty …
A phospholipid is amphipathic because its phosphate head is \(\boldsymbol{\text{hydrophilic}}\) and \(\boldsymbol{\text{polar}}\), while its fatty acid tails are \(\boldsymbol{\te…
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which category? planula sperm cell asexual bud young polyp
sperm cell
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which category? scyphozoa sea anemones true jellyfish corals
true jellyfish
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Question was provided via image upload.
- Phospholipids are used to build cell membranes. - Unlike triglycerides, phospholipids have nitrogen and phosphorus atoms. - Fatty acids in a phospholipid are called tails.
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which category? hydrozoa polyp only medusa only medusa and polyp
medusa and polyp
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which category? anthozoa polyp only medusa only medusa and polyp
A. polyp only
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triglycerides are the bodys most efficient method for storing energy. i…
B. One gram of carbohydrate provides less than half the amount of energy in one gram of fat C. Fats provide energy for the body during rest D. Fat - soluble vitamins are dissolved…
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small intestine. these smaller molecules are able to cross the cell mem…
- Triglycerides are stored until they are needed for energy. - In cells, fatty acid and glycerol molecules are combined to make triglycerides.
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triglycerides form when three fatty acid molecules combine with one mol…
3
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villi are small structures that contain tiny blood vessels. villi have …
The small intestine. The small intestine is where most of the nutrient particles are absorbed into the blood.
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deoxyribonucleic acid structure and function describe it! write down ev…
1. **Structure of DNA**: DNA is a double-stranded helical molecule composed of nucleotide subunits. Each nucleotide contains a deoxyribose sugar, a phosphate group, and one of fou…
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this boomslang snake is swallowing a frog. boomslang snakes can use the…
A flexible esophagus can stretch around whole prey and push the prey from the mouth to the stomach.
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identify the polyp from the given images (the three images below: a pin…
The left - most image (the one with the pink, sea anemone - like structure)
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like other animals, this came living in its stomach and intes these mic…
The camel is helped when microorganisms break down food into small nutrient particles. The microorganisms make it easier for the camel to get energy and building materials from th…
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(a) describe the process in meiosis that ensures that both maternal and…
In meiosis, during **prophase I**, homologous chromosomes (maternal and paternal) undergo *synapsis* (pairing) and **crossing over** (exchange of genetic material between maternal…
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phospholipids are another type of lipid. they are the building blocks o…
The true statements are: - Cell membranes contain phospholipids. - Phospholipids have carbon atoms arranged in two long chains. (The statement "Phospholipids contain only carbon a…
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this boomslang snake is swallowing a frog. boomslang snakes can use the…
A snake's esophagus can stretch around whole prey and push the prey from the mouth to the stomach.
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5. what is the function of amoebocytes in sponges? they hold the spicul…
B. They carry nutrients to other sponge cells and also take away cellular waste.
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the models show the structures of the carbohydrates cellulose, starch, …
| | cellulose | starch | glycogen | | --- | --- | --- | --- | | has a branched structure | $\square$ (uncheck) | $\blacksquare$ (check) | $\blacksquare$ (check) | | is a polysacch…
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select the true statements. maltose, lactose, and sucrose all contain g…
- Maltose, lactose, and sucrose all contain glucose. - Maltose is found in rye and barley. - Maltose has the same number of carbon atoms as sucrose and lactose.
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5. through which type of reproduction does natural selection work most …
c. A mutation occurred and was passed to future generations. ### Question 5 (Reproduction and Natural Selection)
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4. what is the name of the large openings of the sponge through which w…
C. oscula
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grizzly bears hunt for fish, especially salmon, in fast-moving rivers. …
Digestive chemicals break down food into small particles, and tiny blood vessels absorb the nutrient particles.
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3. what term refers to sponges that can produce both types of gametes, …
D. hermaphrodite
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young green sea turtles often eat jellyfish. after the sea turtle swall…
to produce digestive chemicals that break down food to store partially digested food to release partially digested food into the small intestine
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2. what are tiny needle - like structures, embedded within a sponges me…
C. spicules
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select the true statements. maltose, lactose, and sucrose all contain g…
- True: Maltose, lactose, and sucrose all contain glucose. - True: Maltose is found in rye and barley. - False: Maltose is made of galactose and fructose. - True: Maltose has the …
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carbohydrates are biological molecules made of carbon, hydrogen, and ox…
The true statements are: - Carbohydrates are the primary energy source for the human body. - Humans consume carbohydrates through foods like bread, pasta, and bananas. - Some carb…
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giraffes often eat leaves from thorny acacia trees. this giraffe is usi…
The giraffe's saliva begins to digest the leaves. The giraffe uses its teeth to crush the leaves into small pieces.
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question 2: examine picture 8. then, identify whether the organism is s…
To solve this problem, we would typically follow these steps (but since the picture is not provided, we can outline the general approach): ### Step 1: Examine the organism's body …
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in animal cells, glycogen is broken down to release energy to help with…
During a hydrolysis reaction, $\boldsymbol{\text{polymers}}$ (or "glycogen", "polysaccharides") are broken down into $\boldsymbol{\text{monomers}}$ (or "monosaccharides", "glucose…
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glycogen plays an important role in regulating blood sugar. when glucos…
- Glycogen can be broken down to release glucose and increase blood sugar. - Animals store excess sugar as glycogen. - Energy from glycogen can be used for muscle contraction.
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question 2. examine picture b. then, identify whether the organism is s…
To solve this problem, we would typically analyze the organism in Picture B (which is not provided here). However, since the image of the organism is missing, we can't directly cl…
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which of the following are functions of the digestive system? select al…
to break food into small particles to help cells get energy and building material from food
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how does starch compare to cellulose? complete the sentences. plants us…
1. Plants use cellulose for \boxed{structural support (or forming cell walls)}. 2. They use starch, such as amylopectin, for \boxed{storing energy (or energy storage)}. 3. Unlike …
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plants produce the polysaccharide cellulose, which provides structural …
- Cellulose contains carbon, hydrogen, and oxygen. - The long, parallel polymer chains in cellulose provide structure for cell walls. - Cellulose is made from many units of the mo…
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a polysaccharide is a type of polymer. polymers are molecules made of m…
The third structure (the one with multiple repeating sugar - like monomer units) is the polysaccharide.
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the process of linking monosaccharides together to make disaccharides i…
- Many monosaccharides combine by dehydration synthesis to make a polysaccharide. - Water is a product of a dehydration synthesis reaction.
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which of these can be part of an animals digestive system? select all t…
- Deselect "heart". - Keep "anus" selected. - Keep "mouth" selected. - Keep "stomach" selected.
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like other animals, this camel has microorganisms living in its stomach…
The camel is helped when microorganisms break down food into small nutrient particles. The microorganisms make it easier for the camel to get nutrients from the food.
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compare the chemical structure of maltose to lactose and sucrose. compl…
- Maltose is a \(\boldsymbol{\text{disaccharide}}\) made of the \(\boldsymbol{\text{two}}\) glucose. Compared to lactose and sucrose, maltose has \(\boldsymbol{\text{the same numb…
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animals, including people, have microorganisms living in their stomach …
B. Both animals and microorganisms use nutrient particles for energy and building material. (Note: Assuming the options are labeled as A, B, C with the second option being B as pe…
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the model shows the chemical structures of lactose and sucrose. lactose…
- Sucrose and lactose have the same chemical formula. - Sucrose and lactose have different chemical structures. - The monosaccharides in sucrose are fructose and glucose. - The mo…
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birds have a special digestive organ called a gizzard. the gizzard has …
B. the mouth
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question 1: examine picture a. then, identify whether the organism is s…
Symmetry: Asymmetrical; Phylum: *Porifera* (or adjust based on the actual organism in Picture A).
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villi are small structures that contain tiny blood vessels. villi have …
The small intestine. The small intestine is where most of the nutrient particles are absorbed into the blood.
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in plant cells, glucose and fructose can react to form sucrose. plants …
B. Beets are a source of sucrose, C. Sucrose can be made in plant cells
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ecosystem population biosphere a b c a b c ecosystem ○ ○ ○ population ○…
Ecosystem: B Population: A Biosphere: C
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number and a different sequence of amino acids? a. proteins are produce…
b. Proteins are coded by genes with different nucleotide sequences. ### Open - Response Question (about the new trait in lizard offspring)
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monosaccharides are the building blocks of carbohydrates. they may be f…
| | glucose | fructose | galactose | | --- | --- | --- | --- | | has 12 hydrogen and 6 oxygen atoms | ✔️ | ✔️ | ✔️ | | is a monosaccharide | ✔️ | ✔️ | ✔️ | | has a 6 - atom ring |…
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carbohydrates are also known as saccharides. the word saccharide is a t…
$C_6H_{12}O_6$ (so for the blanks: C\(6\), H\(12\), O\(6\))
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what do potatoes, pasta, bread, beans, and bananas have in common? they…
- Carbohydrates are made of carbon, hydrogen, and oxygen. - Some organisms use carbohydrates for structural support. - Living things use carbohydrates for energy.
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bailey starts playing a game on her cell phone with the battery fully c…
\( P(t)=100 - \frac{1}{200}t \) (or \( P(t)=100 - 0.005t \))
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the is the part of the neuron that carries information away from the ce…
axon
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case study: hutchinson-gilford progeria syndrome scientific notes: 1. p…
s: 1. Patient Name: John Doe (or any appropriate name) 2. Symptoms: Premature aging, short stature, hair loss, thin/dry/wrinkled skin, joint stiffness, delayed tooth eruption, car…
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the is the part of the neuron that carries information away from the ce…
axon
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reese senses information from her hand, processes it, and determines th…
B. PNS → CNS → PNS
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deliver information to the central nervous system. motor neurons intern…
Sensory neurons
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which best describes the function of sensory receptors? controlling vol…
detecting and responding to stimuli
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open response: producers, consumers, and decomposers all participate in…
b. chloroplasts
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skin contains sensory neurons that detect odor light pressure sound mar…
pressure
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skin contains sensory neurons that detect dropdown options: odor, light…
pressure
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4. most nutrients are absorbed in the ______ intestine. 5. villi increa…
**: small 5. **Brief Explanations**: Villi are finger - like projections in the small intestine. Their function is to increase the surface area available for the absorption of nut…
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elements of carbohydrates many chemical reactions take place inside cel…
The molecule of glucose (a carbohydrate) would provide all the elements needed to assemble lipids. Glucose is composed of carbon (C), hydrogen (H), and oxygen (O) (evidenced by th…
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after injuring his knee, kai began having pain and numbness in his lowe…
peripheral nervous system
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understanding macromolecules 1. this is a molecule of glucose, a simple…
Glucose (formula \(C_6H_{12}O_6\)) contains carbon (C), hydrogen (H), and oxygen (O). Lipids are primarily composed of C, H, O (some lipids also contain phosphorus, but the basic …
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fill in the blanks and the triangle to best represent the levels of bio…
### Filling the Blanks for Biological Organization Levels: #### 1. The most basic living unit... - The most basic living unit that makes up all of life is the **cell**. - Non - li…
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1 read the section america’s representative democracy... what the sente…
B. It was a rare chance to make a thoughtful choice about the best form of government. ### Question 3 (How does the author build understanding...):
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do not have bands. in a group of cepaea snails, some individuals have a…
1. Correct "heterozygous" to **homozygous** 2. Correct "phenotype" to **genotype** 3. No correction needed for this statement (it is accurate)
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5. what is phagocytosis? ○ how trichoplax adhaerens eats by engulfing i…
A. how Trichoplax adhaerens eats by engulfing its food
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lungs and interferes with breathing. in a group of humans, some individ…
1. Troy's **genotype** for the cystic fibrosis gene is **ff**. 2. Troy **has** cystic fibrosis. This is Troy's **phenotype** for the cystic fibrosis trait. 3. Troy is **homozygous…
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4. how do placozoans eat? through photosynthesis through phagocytosis w…
B. through phagocytosis
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in a group of labrador retrievers, some individuals have black fur and …
heterozygous
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la méthode par essais et erreurs la méthode par essais et erreurs perme…
a) 1) Solution: $x=2$ 2) Validation: $3\times2 + 4 = 10$ b) 1) Solution: $x=7$ 2) Validation: $2\times7 - 9 = 5$ c) 1) Solution: $x=3$ 2) Validation: $4\times3 - 5 = 7$ d) 1) Solu…