Bio 1404 Study guides, Class notes & Summaries

What separates the living cell from its surroundings - ANSWER Plasma membrane What plasma membrane exhibits BLANK, which allows some substances to cross it more easily than others - ANSWER Selective permeability What are the most abundant lipids in most membranes - ANSWER Phospholipids Phospholipids are ___, containing hydrophobic and hydrophilic regions - ANSWER Amphipathic molecules

Viral genomes vary greatly in size and may include from four genes to several hundred genes. Which of the following viral features is most apt to correlate with the size of the genome? - ANSWER size and shape of the capsid Viral envelopes can best be analyzed with which of the following techniques? - ANSWER antibodies against specific proteins not found in the host membranes The host range of a virus is determined by - ANSWER the proteins on its surface and that of the host.

You have a friend who lost 7kg (about 15 pounds) of fat on a regimen of strict diet and exercise. How did the fat leave her body ? - ANSWER It was released as CO2 and H2O In a plant cell, where is ATP synthase located? - ANSWER thylakoid membrane and inner mitochondrial membrane Where does the Calvin cycle take place? - ANSWER stroma of the chloroplast Which of the following are directly associated with photosystem I? - ANSWER Receiving electrons from the thylakoid membrane electron transp...

You have a friend who lost 7kg (about 15 pounds) of fat on a regimen of strict diet and exercise. How did the fat leave her body ? - ANSWER It was released as CO2 and H2O In a plant cell, where is ATP synthase located? - ANSWER thylakoid membrane and inner mitochondrial membrane Where does the Calvin cycle take place? - ANSWER stroma of the chloroplast Which of the following are directly associated with photosystem I? - ANSWER Receiving electrons from the thylakoid membrane electron transp...

when a cell produces a chemical that later inhibits further production by the same cell signaling - ANSWER Autocrine A major synthesis pigment in plants - ANSWER Chlorophyll gain of electrons - ANSWER Reduction process that makes ATP - ANSWER Chemiosmosis Conversion of _________________________ is catalyzed by ATP synthase - ANSWER ADP+Pi Results in mitochondria and chloroplast become part of eukaryote - ANSWER Endosymbiosis chemical signals carried in general bloodstream - ANSWER Endocri...

An allele masked or hidden by the presence of another is referred to as: - recessive When two individuals who are heterozygous for a trait mate, what is the probability that their offspring will exhibit the dominant trait? - 75% For the results of Mendel's dihybrid cross to be a 9:3:3:1 ratio of traits, what must the relationship of each gene pair be? - The genes must be on separate chromosomes. When Mendel crossed two "true-breeding" pea plants with contrasting traits (e.g., tall versus...

water in a mammalian cell - 70% proteins in a mammalian cell - 18% lipids in a mammalian cell - 5% carbohydrates in a mammalian cell - 2% nucleic acids in a mammalian cell - 1%

rotons - Positively charged Atoms Number Neutrons - Neutrally charged Atomic Mass - Neutrons + Protons Electrons - Negatively charge smaller in mass than protons Electrons=Protons (number) Isotopes - Same element and same amount of protons Different number of neutrons Groups/Columns o