Hot Student Stories

Biology

Oxygen was introduced into the atmosphere as a byproduct of a. respiration. c. dehydration. b. photosynthesis. d. osmosis.

Craig Stewart

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Which of the following is characteristic of the second stage within a demographic transition?

Mindee Nelson

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When you notice that someone has unusually blue eyes, you've noticed their A. hybridization. B. genotype. C. phenotype. D. allele.

Amanda Johnson

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Minerals are solid, inorganic substances that _____. a.exist naturally b.are manufactured c.are found exclusively on Earth d.are made of iron

Ralph Lopez

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Gene testing is foolproof since it scans the building blocks of humans.

Alexa Spicer

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______ make their own food by extracting compounds from the ocean. cyanobacteria photoautotrophs cemoautotrophs

Ronald Miller

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Scott stated the following series of observations. Which represents a theory? I observed three stars in the sky. The stars give off light. Light travels at 300,000 kilometers per second. Stars are balls of hot gases.

Chelsea Hayes

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What two ways helpful bacteria work to keep you healthy

Carlton Burgess

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Which statement about the scientific method is true? A. The scientific method involves developing and testing conclusions. B. The scientific method is a linear approach to accumulating scientific knowledge. C. The scientific method is used in different ways by different scientists. D. The scientific method involves developing a question to answer a hypothesis. please hurry.

Victoria Fowler

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The variation in shape and function of the forelimb in tetrapods is a result of __________.

Tara Andrews

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What is the primary product of light independent reactions? A high energy sugars B high energy carbohydrates C high energy salts D high energy proteins

Tara Andrews

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Which of the following cycles does not involve living organisms? a. carbon cycle b. oxygen cycle c. rock cycle d. nitrogen cycle

Kyle Mckinney

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Complex diseases are caused by imperfections in multiple genes.

Jessie Thompson

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A specific type of physical change is a _________ change. A. chemical B. bond C. nuclear D. phase

Caroline Campbell

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Which stem cells are capable of the most limited differentiation? A.) adult stem cells B.) amniotic fluid stem cells C.) embryonic stem cells D.) somatic stem cells

Roger Moore

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The leading cause of limited water supplies is ?

Jeffrey Rodriguez

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Regarding tropical rainforests, the term evapotranspiration refers to the fact that A. trees absorb carbon dioxide and "exhale" oxygen. B. deforestation causes a loss of soil fertility due to water evaporation. C. the humidity of rain forests can produce local and regional precipitation. D. deforestation causes a decline in atmospheric oxygen.

Ralph Lopez

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Which of the following would not be considered a point source pollution contributor? a. an animal feedlot b. cattle on rangeland c. a paper mill d. a slaughterhouse

Jessie Thompson

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Which one of the following nutrients is not a source of energy for the body? a. Proteins b. Carbohydrates c. Vitamins d. Lipids

Bethany Evans

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How can using a combination of policy tools be more efficient than using one exclusively? a. Using a combination of policy tools assures compliance. b. Using a combination of policy tools allows for a wider range of coverage. c. Using a combination of policy tools prevents the use of mandatory policies. d. All of the above

Kevin Sutter

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What is not associated with upwelling A horizontal water movements B vertical water movements C increased plankton populations Increased nutrients at the surface

Samantha Barber

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Charles darwin viewed the fossil record as A) evidence that earth was a thousand years old - I know it isn't this one B) Useful support for his theory - I'm leaning towards this one C) interesting but unrelated to the evolution of modern species D) evidence that traits are acquired through use or disuse - I know it can't be this one either

Tara Andrews

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How are Protozoa similar to animals? A) They have cells that lack nuclei B) They can get food and move C) They are made up of many cells. D) They make their own food in sunlight

Eric Morgan

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Is energy in an ecosystem flow from consumers to producers true?

Dana Keller

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Which of the following can result in irregularities leading to cancer? A. The body using cyclins to regulate the timing of the cell cycle B. The body utilizing growth factors in development C. The body programming its cells to die D. The body failing to respond to signals that slow the cell cycle

Jeremy Wood

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Why does the post-medieval skull in the video have such bad teeth?

Alexa Spicer

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Choose the sequence that is complementary with the sequence ATTGGCTA. A. ATTGGCTA B. GCCAATCG C. TAACCGAT D. CGGTTAGC

Curtis Rhodes

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What is meant by the unexpected consequences of environmental manipulation?

Caroline Campbell

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Which organelle makes the proteins that are needed by the cell? a)cell membrane b)golgi apparatus c)ribosomes d)nucleus

Ralph Lopez

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What is true about microevolution?

James Washington

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Surface winds tend to curve due to which of the following? a. The Corona effect b. The Coriolis effect c. The Corolla effect d. None of the above

Jessie Thompson

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Which are different forms of the same gene? genotypes phenotypes alleles traits BEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECTLY! :)

Brandon Scott

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In the F1 generation of a Mendelian cross, A. only the dominant trait is visible. B. only the recessive trait is visible. C. neither the dominant nor recessive trait is visible. D. both the dominant and recessive traits are visible.

Jennifer Patterson

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Which takes place inside the chloroplast? light and dark reactions light reaction only light reaction and cellular respiration dark reaction only

Daniel King

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Which of these components of a cell functions like the bones and muscles in the human body? a. chloroplasts b. ribosomes c. cytoskeleton d. cytoplasm

Cynthia Baker

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The ribosome of a cell, is most responsible for what function? A) production of ATP B) storage of materials C) manufacture of proteins D) direction of all cellular activities

Kathy Robinson

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Which allele combination represents a female who is a carrier for an X-linked recessive disorder? XRXr XrXr XRY XrY

Samantha Barber

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Which process uses acetyl CoA as a reactant

Justin Parker

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Coral reefs are unaffected by pollution. true or false

Ralph Lopez

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Which class of organic molecules provides long-term energy storage. a. carbohydrates b. proteins c. starches d. lipids

Nicholas Rivera

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How does ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis? A.) ATP and NADPH are produced in both reactions B.) ATP and NADPH are used in both reactions C.) ATP and NADPH are produced in the light-dependent reaction and used in the light-independent reaction D.) ATP and NADPH are produced in the light-independent reaction and used in the light-dependent reaction

Whitney Matthews

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Using what you know about renal handling of na+, predict the renal clearance of na+.

Jodi Brooks

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What is unique about the members of the group of fungi to which Penicillium notatum belongs? A. They are not important for medicine. B. They are not made up of hyphae. C. They are used in fermentation. D. They lost the reproductive phase.

Justin Parker

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Too much skepticism can lead to what

Ramon Kelly

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Which statement is true regarding similarities and differences between aerobics and anaerobic respiration

Jeremy Wood

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An example of parallel choices in a key is _____. A. flower color is red; AA. flower color is blue A. object can fly; AA. object is black A. animal has 4 legs; AA. animal has 4 teeth

Theresa Perry

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Which of the following best describes how taxonomy changed the way organisms were classified? Plants, animals, and bacteria were sorted into groups based on their ability to interbreed. Plants and animals were divided into separate kingdoms based on physical traits. Organisms were separated into domains based on what they consumed. Organisms were sorted into different phyla based on their habitat.

Ashley Howard

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A bicameral legislature describes a legislative body made of _____.

Kristi Hammond

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Surface winds tend to curve due to which of the following? a. The Corona effect b. The Coriolis effect c. The Corolla effect d. None of the above Please select the best answer from the choices provided A B C D

Kyle Mckinney

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