Browse Biology resources and answers on Quizzma.
An Audible clicking/popping noise can be heard when operating the recirculation controls and no noticeable difference in air quality is observed. Which of these would be the most likely the cause? A. Non-functioning actuator B. Bad mode…
Read more →You type the keywords “sustainable logging” into a search engine. Which of the following search results would you expect to provide the most accurate information about sustainable logging practices? A. Mankovsky Lumber – Green,…
Read more →Usually, the question can contain long text before it. You should give it also. FISH REPTILE MAMMAL BIRD
Read more →How do the bubble-shaped sacs of the alveoli assist in gas exchange? A. They control the flow of blood. B. They maximize the exchange surface. C. They sense when air is in the lungs. D. They expand and contract to move air.
Read more →Drag the correct amino acid abbreviations from the toolbox into the empty ovals to show the amino acid sequence that will be translated from this section of mRNA, beginning with the underlined base. Some ovals may not be filled. Phe Leu…
Read more →How does the microorganism cycle matter? Complete the researcher’s diagram with two inputs and two outputs. ATP Lipids Oxygen Glucose Nitrogen Proteins Carbon dioxide
Read more →Compare the membrane permeability for K+ and Na in most In most cells the membrane at rest is much more permeable to K+ than to Na+, so the membrane potential is much closer to EK than E Na.
Read more →What would a membrane resting potential be if a membrane were equally permeable to K+ and Na+, and not permeable to any other ions? then the resting potential would be halfway between EK and ENa. For example, if EK = -90 mV and ENa = +60…
Read more →If a membrane is permeable to 2 ions, what will determine the resting potential of the membrane? Its value will be determined by the relative permeability of the membrane to these two ions.
Read more →Explain what happens when the K+ soltn are added to the different environments over the course of time The ion to which the membrane is permeable will diffuse across the membrane down its concentration gradient until the resulting voltage…
Read more →Imagine another cell with a more typical K+ concentration gradient: [K+]o = 4.5 mM and [K+]i = 140 mM. The Nernst equation calculates EK = -92 mV. Given the previous info, what is this cell’s membrane potential if it is only due to K+ ions?
Read more →If compartment A represents the inside of a cell and compartment B the extracellular fluid, then with [K]i = 100 mM and [K]o = 10 mM as in the example above calculate the equilibrium potential for potassium.
Read more →What happens when we establish a concentration gradient for K+ by adding 100 mM KCl to compartment A, and 10 mM KCl + 90 mM NaCl to compartment B?
Read more →What is the cause of a membrane potential?
Read more →What is resting membrane potential, or resting potential?
Read more →What is membrane potential V?
Read more →What is membrane potential V?
Read more →the process by which a ribosome, using genetic information coded in messenger RNA, constructs proteins from amino acids. translation transcription
Read more →Heredity is when parents pass down traits to their offspring through reproduction. The genetic traits, coded in DNA, that are inherited are called the ________. The ________ is the observable or physical characteristics that a person…
Read more →If messenger RNA was unable to leave the nucleus and travel through the cytoplasm, which of the following would be a direct result? Transcription occurring on ribosomes would be interrupted. Mitosis would not occur because the RNA could…
Read more →The 3-base code for amino acids is __________. The complete process in which amino acids are assembled to make proteins is __________. This process occurs in __________ steps, __________. Translation occurs on the __________. __________…
Read more →Select the statement(s) which are true of the genetic code. On DNA, adenine pairs with thymine while cytosine pairs with guanine. On RNA, adenine pairs with thymine while cytosine pairs with guanine. On DNA, adenine pairs with uracil…
Read more →Select the statement(s) that are true about dihybrid crosses and the Punnett square pictured. A dihybrid cross involved two sets of alleles for two sets of traits. The F1 generation is heterozygous for both traits. The F1 generation is…
Read more →Photosynthesis is used to produce food for plants in the form of glucose. In the process, oxygen is released. As shown in the diagram, plants require water and carbon dioxide (from the air). What else is required for photosynthesis and…
Read more →Beyond helping plants produce better crops, nitrogen-fixing microbes might also A) improve the taste of vegetables through higher amounts of nitrogen. B) allow trees and plants to suck up and break down industrial contaminants. C) create…
Read more →The role of the cell membrane is most like the job of which person? a firefighter who evacuates people from a burning building a police officer who allows select people to enter and leave a crime scene a bus driver who drives the express…
Read more →How does water contribute to the process of photosynthesis? A. It absorbs sunlight B. It provides nutrients C. It carries minerals D. It helps create food
Read more →Why is sunlight important for photosynthesis?
Read more →Metabolism generally __________ to the weather. A. forfeits B. contributes C. corresponds D. surrenders
Read more →Based on the DNA studies explained in the selection, scientists connected Polynesians not to South America but to which two places? A) Italy B) Taiwan C) mainland China D) New Zealand E) England
Read more →Which of the following statements is accurate about mitosis? Mitosis consists of two phases. Mitosis produces gametes. Mitosis results in two genetically identical daughter cells. Mitosis is associated with sexual reproduction.
Read more →Alien parent 1 is heterozygous (Aa) with 4 arms. Alien parent 2 is homozygous recessive (aa) with 2 arms. Select the statement(s) which are accurate based on Mendel’s laws and the information provided. The dominant trait is 2 arms. 50% of…
Read more →Based on the laws of segregation, which of the following genotypes could be produced by the crossing of a Tt plant with a Tt plant? TT and tt TT and Tt Tt TT, Tt, and tt
Read more →Determine the genotype of parent 2 based on Mendel’s laws and the Punnett square provided. Not enough information provided homozgyous recessive (ff) heterozygous (Ff) homozygous dominant (FF)
Read more →Alien parent 1 is heterozygous (Aa) with 4 arms. Alien parent 2 is homozygous recessive (aa) with 2 arms. Select the statement(s) which are accurate based on Mendel’s laws and the information provided. 4 arms is the dominant trait. 50% of…
Read more →Which of the following of Mendel’s laws of genetics is represented in the image? both law of independent assortment neither law of segregation
Read more →Which of the following is one way that meiosis is different from mitosis? Meiosis occurs in all cells, mitosis occurs only in the sex cells. Meiosis produces 46 chromosomes, and mitosis produces 23 chromosomes. In meiosis, there is…
Read more →In mitosis, two somatic cells that are __________ are produced. An advantage of reproduction through mitosis is that one parent is needed, and reproduction is __________. Cells created through meiosis are genetically __________ and are…
Read more →Select the statement(s) that are accurate about sexual reproduction through meiosis. Sexual reproduction through meiosis requires time and energy to find a mate. Organisms created through meiosis and sexual reproduction are genetically…
Read more →Which of the following statements is accurate about asexual reproduction through mitosis? Mitosis is a relatively slow manner of reproduction. Energy is used to find a mate Offspring are genetically unique Only one parent is involved in…
Read more →Select the statement(s) that accurately compares mitosis and meiosis. Mitosis consists of one cell division, whereas meiosis consists of two cell divisions. In mitosis, two genetically identical daughter cells are created. In meiosis,…
Read more →Select the statement(s) that accurately compares mitosis and meiosis. Mitosis consists of one cell division, whereas meiosis consists of two cell divisions. In mitosis, two genetically identical daughter cells are created. In meiosis,…
Read more →What is the end result when crossing over occurs between homologous chromosomes? New genetic combinations are created, resulting in more genetic variation in offspring. Offspring fail to create the proper proteins that are required for…
Read more →What is the end result when crossing over occurs between homologous chromosomes? New genetic combinations are created, resulting in more genetic variation in offspring. Offspring fail to create the proper proteins that are required for…
Read more →Which phase of meiosis is represented in the illustration? metaphase I anaphase I interphase prophase I
Read more →Which phase of meiosis is represented in the illustration? anaphase I interphase prophase I metaphase I
Read more →Which of the following is true about offspring produced by sexual reproduction? They show variation in characteristics. They show no variation in characteristics. They form from one sex cell of one organism. They are exactly like one of…
Read more →In mitosis, two somatic cells that are __________ are produced. An advantage of reproduction through mitosis is that one parent is needed, and reproduction is __________. Cells created through meiosis are genetically __________ and are…
Read more →