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Biology

Which statement correctly describes the function of a human lung? It takes in carbon dioxide and releases oxygen. It produces oxygen. It filters carbon dioxide from the air. It takes in oxygen and releases carbon dioxide.

Heather Maxwell

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Give the sign of the electrodes and the reaction that occurs at each for both voltaic and electrolytic cells.

Jeremy Wood

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How does a catalyst influence a chemical reaction?

Ross Pratt

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A substance that enters into a chemical reaction is called a(n) _____. enzyme reactant catalyst product

Melissa Norris

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Which of the following structures assist the major structures of the digestive system?

Brandon Scott

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Taxonomy seeks to _____. identify all living things identify all nonliving things organize all living things in a logical manner organize all nonliving things in a logical manner

Caroline Campbell

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Which of the following is true of conifers? A) The sporophytes grow directly from the gametophyte B) The spores release from the gametophyte C) The gametophytes grow directly from the sporophyte D) The spores release from the male cones I best guess would be D?

Mindee Nelson

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Which of these satisfies a basic need for a chipmunk? A. string B. burrow C. rocks D. highway

Theresa Perry

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Migration is always temporary true or false

Eric Morgan

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A sea arch is formed through wave erosion.

Eric Morgan

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Tropical areas receive the most solar radiation because A. the Sun's rays are nearly perpendicular to Earth's surface. B. the air is thinner, causing more of the Sun's rays to reach the surface. C. most tropical areas are situated at higher elevations, closer to the Sun. D. they're surrounded by large bodies of water which reflect sunlight.

Blair Lewis

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In which of the following does the land being moved contain approximately 60% water? landslide slump mudflow creep

Chelsea Hayes

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A good model of the cell membrane would be A) a chain link fence B)a film of food wrap C)a wall of stone and mortar D)a river with objects floating in it

Kristi Hammond

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For a person who writes with his or her left hand, the muscles involved in writing are controlled by__. A. the left hemisphere of the cerebrum. B. the right hemisphere of the cerebrum. C. both. D. neither

Daniel King

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Which changing external condition triggers the salivary glands? a. lack of oxygen b. lack of water c. disease-causing agents d. change in temperature

Blair Lewis

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What is the Topsoil that washes onto a coral reef?

Curtis Rhodes

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Which sections in mature rna do not code for amino acids? see section 17.2?

Jennifer Patterson

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Which wavelengths of sunlight carry the most energy? infrared rays ultraviolet rays visible light radar waves

Rodney Fox

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21. The ____________ of animals is based on scientists’ current understanding of the evolutionary history of living species. (1 point)

Victoria Fowler

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How do organic farming practices relate to soil health? a. Organic farmers rely on soil health for good crop production. b. Organic farmers rely on the interaction between soil microbes and organic matter. c. Organic farmers avoid the use of pesticides and chemicals. d. all of the above.

Brandon Scott

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Plates move apart at ____ boundaries. a. convergent c. divergent b. stable d. transform

Deborah Edwards

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Animals in the higher trophic levels generally share two characteristics. They are typically a) larger in size and fewer in number b) larger in size and more in number c) smaller in size and more in number d) smaller in size and fewer in number

Alexa Spicer

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What can you learn from a set of embryo drawings of vertebrates of different phyla? Download png

Curtis Rhodes

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Which of the following phrases best describes the human karyotype?

Caroline Campbell

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What is the ABO blood classification based on? A. antibody on the red blood cell B. antigen in the blood C. antigen on the red blood cell D. hemoglobin in the blood

Ramon Kelly

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Characteristics of the cell wall include which of the following? Select all that apply. - cellulose - phospholipids and protein - increased strength to the cell - selective membrane

Karen Wright

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How does mitosis in plant cells differ from that in animal cells? A. Plant cells lack spindle fibers. B. Plant cells lack centrosomes. *C. Animal cells lack cytokinesis. D. Animal cells lack a cell plate.

Jennifer Patterson

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Why does maltose have both alpha and beta anomers?

Nicholas Rivera

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What are the forces that struggle in the plot of a story? the external and internal conflict the good guy and the bad guy the diction and the theme the protagonist and antagonist

Melissa Norris

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As wastes navigate the large intestine, which features do they pass through, in order?

Ronald Miller

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Soil color is classified by _______. a. using a microscope b. taking core samples c. determining the proportion of minerals d. using a color reference chart

Heather Maxwell

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Cells are able to remove large amounts of material using A) ectocytosis. B) exocytosis. C) phagocytosis. D) pinocytosis.

Justin Parker

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________ are heterotrophic protists; ________ are photoautotrophic protists.

Curtis Rhodes

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Most fungi are saprobes. What does this mean?Select one of the options below as your answer:A. They feed on dead and decaying organic matter. B. They can prepare their own food. C. They live in a mutually beneficial relationship.

Jeffrey Rodriguez

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Which RNA base pairs with the adenine in DNA? A. thymine B. guanine C. cytosine D. uracil

Kaitlin Dean

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cells are the message carriers for the animal.

Nicholas Rivera

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The shape of the nucleus is maintained by A. the nucleolus. B. the nuclear lamina. C. the nuclear envelope. D. the endoplasmic reticulum. ITS NOT C!!!!!!!! pls help FAST!!!!!!!!

Ross Pratt

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Which of the following accurately describes the structure of DNA? A. DNA consists of four bases: A, G, C, and U. B. A always pairs with C, and G always pairs with T. C. DNA is in the form of antiparallel strands twisted as a double helix. D. DNA is made up of nucleotides, containing a phosphate group, a base, and another phosphate group.

Daniel King

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Which criterion is used to functionally classify neurons? which criterion is used to functionally classify neurons? the number of processes extending from the cell body neuron the direction in which the nerve impulse travels relative to the central nervous system whether the nerve fibers are myelinated or unmyelinated whether the neurons are found within the cns or the pns?

Roger Moore

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Which feature of large biological molecules explains their great diversity? which feature of large biological molecules explains their great diversity? the diversity of elements found in large biological molecules the many classes of large biological molecules the many ways that monomers of each class of biological molecule can be combined into polymers?

Victoria Fowler

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An insect has primarily _____ muscle attached to the exoskeleton. striated circular longitudinal smooth

Chelsea Hayes

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In cells, hydrogen peroxide is converted to water and oxygen through the activity of

Rodney Fox

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How do natural disasters contribute to genetic drift?

Ralph Lopez

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What factor would account for a strong synovial joint? what factor would account for a strong synovial joint? small reinforcing ligaments synovial fluid low muscle tone the deepest articular surface?

Donald Ward

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Which phrase best describes homeostasis? Help me FAST PLEASE?????!!!!!!1

Ashley Howard

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Changes in the DNA sequence, or mutations, help drive

Annie Barnes

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Which microscope creates an image of the surface of a sample a.simple b.SEM c.TEM or d.compound

Ashley Howard

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The trunk of a tree is its _____.

William Cain

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The karyotype for trisomy 21 illustrates an example of a genetic mutation caused by

Theresa Perry

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The specialization of the functioning of the two halves of the brain is called _____.

Ashley Howard

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