Biology
Cell biology, genetics, ecology, and life science fundamentals.
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the \abcde rule\ for recognizing early signs of malignant melanoma refe…
A. Asymmetry, border irregularity, color, diameter, and evolution
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is/are formed partly from the secretions of glands in the external ear …
A. Cerumen
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why are yawns contagious? we asked a scientist by teresa carey why are …
by inserting a heading about the topic of the second section
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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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an epithelium whose cells are tall and narrow, with each one touching t…
simple columnar
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question 2 2 pts which of the following statements is true regarding th…
It carries deoxygenated blood towards the lungs.
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the four primary tissue types found in adult organs include all of the …
A. fibrous
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glands (such as tear glands) have vesicles that release their secretion…
B. Eccrine; Holocrine
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in an epithelium, there is almost no extracellular matrix. true or fals…
True
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which was a main reason for creating the articles of confederation? to …
to determine the power of states and the federal government
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when the price of coffee increases significantly, what economic princip…
Substitution effect demonstrates consumers switching to alternatives
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abled: midterm exam place the following cartilage location in the appro…
Hyaline Cartilage: nasal septum, thyroid cartilage of the larynx, tracheal rings Elastic Cartilage: external ear, eustachian tube, epiglottis Fibrocartilage: intervertebral discs,…
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some simple columnar and pseudostratified columnar epithelia have —— ce…
C. goblet
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which of the following is not a feature of epithelia? multiple choice a…
Abundant extracellular material
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problem how do you prepare an object to be viewed under the microscope …
To prepare an object: make it into a thin section or smear and may stain it. To use the microscope: start with low - power objective, adjust focus, and switch to higher - power if…
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two solutions are separated by a selectively permeable membrane. if sol…
water will pass down its concentration gradient from solution B to A
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which type of solution contains higher than normal amounts of osmotical…
E. Hypertonic solution
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synthesizes carbohydrates and puts finishing touches on proteins synthe…
A. Smooth ER; rough ER
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which of the following is not a membranous organelle? multiple choice e…
Ribosome
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proteoglycans are composed of ____________. multiple choice carbohydrat…
carbohydrates and proteins
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the plasma membrane of cells lining the small intestine has _, which ar…
A. microvilli
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a protein that is bound to a carbohydrate is called a ___. multiple cho…
B. glycoprotein
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how to use a microscope * pre - lab discussion when you view an object …
1. To provide stability and prevent damage. 2. To avoid contaminating the sample and interfering with the view.
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a patient was severely dehydrated, losing a large amount of fluid. the …
B. isotonic, 0.9%
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3. road to revolution (3 slides) create a timeline that led to war star…
Slide 1: - Event Name: Proclamation of 1763 - Date: 1763 - Description: Issued by Britain to limit colonial expansion west of the Appalachian Mountains. Slide 2: - Event Name: Bos…
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this muscular injury may vary in severity from localized cellular injur…
Strain
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after death, a person’s soul travels to the hall of the dead. there, th…
C. It meant that the soul didn’t have to be weighed by Osiris after death.
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scientists are trying to learn more about other unusual sharks. one is …
6. C. unusual sharks 7. D. frilled shark 8. A. little 9. D. lips 10. B. cigar shark
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practice staar questions 1. which pair of statements best compares the …
1. The chitin in the exoskeleton provides protection for insects. 2. b. Speed up the rate of the reaction 3. c. Proteins catalyze chemical reactions inside the cell. Lipids allow …
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most people think of sharks as the ones they see in the movies. these “…
1. D. great white sharks 2. D. about 350 3. A. submarine 4. C. strong 5. B. 4 feet long
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which scenarios are examples of internal conflict? select two options. …
a character feeling guilty about a choice, a character weighing a decision
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what conditions contributed to congresss vote to authorize a declaratio…
C. British impressment of U.S. soldiers, F. British support for Native American resistance
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a water strider is an insect that can walk on water. why is this possib…
The insect's mass is not strong enough to break the hydrogen bonds between the water molecules.
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what do you think is the biggest impact of climate change and why? use …
One of the biggest impacts of climate change is on global ecosystems due to habitat disruption, species loss, and subsequent effects on food chains and human livelihoods.
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determine the value of the given term, and explain what it means. the l…
47. It represents the number of wolves in the local population after 8 weeks, assuming the observed pattern of decline continues.
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us history fall 2025 quiz 1 review sheet. please use the terms/concepts…
1. Colonists saw themselves as having rights as British - subjects, King saw them as governable subjects. 2. Locke's ideas of natural rights and social contract influenced the rig…
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which type of plant can utilize the calvin cycle? multiple choice c4 pl…
D. C3, C4, and CAM plants
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if you tagged organic carbon inside a chloroplast with a fluorescent la…
Stroma
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microscope parts and use worksheet name period 1. explain an important …
1. Use fine adjustment only. 2. Start with low power, move stage up while looking from side. 3. When light is too bright or dim. 4. Hold by the edges. 5. Hold the slide in place. …
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whales rib cages have adapted to allow them to compress, which lets the…
There is more pressure as depth increases.
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complete the sentences about the absorption spectrum. 1. a green pigmen…
1. reflects 2. absorbs 3. blue - violet 4. blue - green
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in the ocean, what process establishes equilibrium by distributing nutr…
upwelling
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most atmospheric oxygen comes from photosynthesis. from which of the fo…
E. water
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evolution: when did it occur? life began on earth approximately 3.5 bil…
3500000000
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chlorophyll is the main - pigment found in plants. other pigments are a…
absorb wavelengths of light outside those absorbed by chlorophyll
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based on a variety of experiments, it is known that the rate of photosy…
Absorption of light by chlorophyll a and b is essential for the process of photosynthesis
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if chlorophyll a is blocked from absorbing light, what would be the eff…
The plant will have a decreased ability to carry out light - dependent reactions
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what are the characteristics of red light, which is absorbed by chlorop…
Its photons have the longest wavelength in the visual spectrum
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most plants incorporate carbon dioxide into sugars by means of a cycle …
D. Calvin cycle
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which best represents the overall equation for photosynthesis? multiple…
B. $6CO_2 + 12H_2O+ \text{Light energy} ightarrow C_6H_{12}O_6 + 6O_2$
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a student is giving a presentation on the human body to a science class…
Cells interact to form tissues, tissues interact to form organs, organs interact to form organ systems, and organ systems interact to perform functions in the organism.
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multiple choice 12 h₂o + light energy → c₆h₁₂o₆ + 6 o₂ + 6 co₂ + 6 h₂o …
$6CO_2 + 12H_2O+\text{Light energy} ightarrow C_6H_{12}O_6 + 6O_2$ (the second option in the multiple - choice list)
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evolution: what is it? use these words to write your own definition of …
Evolution is the gradual change in heritable traits of a population over time. Lemur: Long - grasping fingers. Grasshopper: Powerful hind - legs. Turtle: Hard shell. Hibiscus: Bri…
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if the gene encoding a specific enzyme in the plastoquinone biosyntheti…
The cell would be unable to use light energy to make ATP
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1. how is the hydrosphere impacted by climate change? 2. what ecosystem…
1. Climate change causes sea - level rise, altered precipitation, and ocean acidification, impacting the hydrosphere. 2. Arctic ecosystems are very vulnerable due to rapid warming…
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nadph is made as a result of: multiple choice the establishment of a pr…
the electron transport chain that follows photosystem I.
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stroma is: multiple choice a semi - liquid substance surrounding the th…
a semi - liquid substance surrounding the thylakoid membrane system.
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multiple choice a semi - liquid substance surrounding the thylakoid mem…
a semi - liquid substance surrounding the thylakoid membrane system.
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what replaces the electrons excited by sunlight in photosystem i? multi…
E. Electrons from photosystem II
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using what you have learned about south america, click to correct any e…
The two most commonly spoken languages in South America are Spanish and Portuguese, not Spanish and English. Also, governments and international organizations usually help countri…
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1. a student sets up an experiment with elodea plants under bright ligh…
1. Photosynthesis converts light energy into chemical energy in glucose, cellular respiration converts chemical energy in glucose into ATP. 2. Photosynthesis: Inputs - Light + Car…
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trade affects people all over south america, and south american countri…
1. pass laws that allow people to live and work across member countries 2. lower taxes on imported goods to increase trade between member countries 3. organize events where techno…
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which statement best describes the public policy process? a set of step…
a set of steps taken to develop an approach to solving a problem
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your cellular telephone provider offers two plans. plan a has a monthly…
25
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which of the following statements is/are true of long noncoding rnas? c…
They can trigger the activity of histone acetyltransferases., They are involved in X chromosome inactivation., They can regulate the translation and stability of mRNAs.
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the steam - engine made possible the dynamo, the dynamo made possible t…
C. a generator with a coil that rotates between the poles of an electromagnet
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identify the side effects of each drug classification. note that some d…
| Side Effect | Bile Acid Sequestrants | Omega - 3 Fatty Acids | Statins | |--|--|--|--| | Elevated liver enzymes | Sometimes | Rarely | Sometimes | | Fatigue | Rarely | Rarely | …
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complete the sentences with the correct terms. 1 a generalized contains…
1. photosystem 2. chlorophyll 3. antenna complex 4. photosystem 5. water
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do you think that agriculture can ever have the same impact as preservi…
It is unlikely that agriculture can have the same impact as preserving natural habitats in terms of protecting biodiversity and ecosystem integrity in the long - term, but sustain…
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complete the sentences about the absorption spectrum. 1. a green pigmen…
1. reflects 2. absorbs 3. blue 4. green - yellow
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biological catalysts that can start or speed up a chemical reaction are…
enzymes
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question 8 one strategy that makes metabolic pathways more efficient is…
enzymes for a given pathway are located in the same place within the cell
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question 7 1 pts a new bacterial cell is found that is able to grow wit…
photosynthesis
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question 8 in many organelles, groups of different enzymes are located …
these enzymes are involved in the same metabolic pathway and keeping them closer together increases the efficiency of the pathway.
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question 5 1 pts which of the following statements about the electron t…
NADH and FADH₂ donate their electrons to the chain.
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question 4 1 pts which of the following statements about enzymes is fal…
A specific enzyme can catalyze a variety of chemical reactions.
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1. enzymes unwind or denature when placed in extreme ph or temperature …
1. a. Raising the temperature slightly: Increase b. Adding more substrate: Increase (up to saturation) c. Changing the pH away from the optimal pH: Decrease d. Boiling temperature…
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question 3 enzymes can catalyze a reaction only if they encounter a mol…
they encounter a substrate that fits their active site.
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multiple choice question which of the following is used by sales repres…
A. silent probes
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which of the following would most likely be considered impetuous? a chi…
a man who makes decisions without thinking them through
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question 2 1 pts metabolism is a term that describes only chemical reac…
E. all chemical reactions that take place within an organism
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refer to the graph, which shows energy changes during a chemical reacti…
A. Red line
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there are two major overall products (outputs) of photosynthesis. (hint…
Light dependent: oxygen (O2) Light independent: glucose
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drag each drug classification to the description of how it works descri…
1. Inhibits intestinal absorption of dietary and biliary cholesterol, blocking transport in the small intestine - Cholesterol Absorption Inhibitor 2. Binds bile acids in the intes…
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1. given this population curve, what type of population growth is being…
2. Initially, resources are sufficient for population growth, but as the population approaches the carrying capacity, resources become a limiting factor. 3. The carrying capacity …
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4 the building blocks of life before you read you have probably heard a…
DNA stores and transmits genetic information, determining the traits and characteristics of living organisms and is passed from parents to offspring.
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hydrogen bonds (c - g). in rna, adenine pairs with uracil (a - u). 7. d…
7. DNA is a double - helix with sugar - phosphate backbone and nitrogenous base pairs. 8. A - T, C - G. 9. A - U, C - G. 10. Hydrogen bond; between nitrogenous bases of strands. 1…
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1. reactants in an enzyme - catalyzed reaction are called: click to add…
1. Substrates 2. Proteins 3. A substance that speeds up a biochemical reaction without being consumed in the reaction. 4. A = Enzyme, B = Active site, C = Substrate, D = Enzyme - …
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rule by the king, for the people is democracy gobernar por el rey, para…
False
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7. true or false: sometimes older rocks end up on top of younger rocks.…
7. A. True 8. D. absolute dating 9. B. Many animals first appeared 10. A (assuming A is the top - most layer in the image)
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1. how do sedimentary rocks form on earths surface? a in vertical strip…
1. C. in horizontal layers 2. B. rock layers 3. D. the oldest rock 4. C. rock layers 5. B. millennium 6. A. Kaitlyn is younger than Dillon
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when an apple is cut, oxygen comes in contact with the fruits inner tis…
The acidic lemon juice lowers the pH around the apple tissue, inhibiting the activity of the polyphenol oxidase enzyme, thus preventing browning.
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check for understanding answer the following questions. 1. how can you …
1. Reduce waste, conserve energy, use alternative transportation, plant trees. 2. A nature reserve preserves natural habitats/wildlife as is; reforestation restores forest cover i…
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topic 1.6: nucleic acids information storage and transmission: living s…
1. The monomer of a nucleic acid is the nucleotide. 2. The five nitrogenous bases are adenine, thymine, guanine, cytosine, uracil. 3. a. Adenine and guanine are purines. b. Thymin…
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q2. what is your idea of global business? please list 3 benefits you th…
Benefit 1: Understanding international market dynamics Benefit 2: Learning cross - cultural management skills Benefit 3: Expanding professional networks
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brutus. he is not doubted. - a word, lucillius. how he (cassius) receiv…
A. his external conflict with Cassius
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what is the unit rate for 5 revolutions in 50 seconds? * __________ rev…
$\frac{1}{10}$
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5. the appalachian mountains in north america match with which mountain…
5. c) Caledonian Mountains 6. b) Plate tectonics
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sugar (deoxyribose or ribose), a phosphate, and a nitrogenous base (ade…
1. Nucleotide 2. Adenine, Thymine, Guanine, Cytosine, Uracil 3. a. Adenine, Guanine b. Thymine, Cytosine, Uracil 4. Chains of nucleotides linked by phosphodiester bonds 5. Called …
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question 5 1 pts which of the following characteristics applies to chlo…
They have three membrane - enclosed compartments.