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Bio test 4
| Question | Answer |
|---|---|
| A group of nucleotides in a chromosome that controls the production of a protein is a/an | genes |
| Messenger RNA is a _______-stranded molecule | single |
| polyploids have how many sets of chromosomes | over 2 |
| C connects to __ U/T connects to ___ | G, A |
| The fossil record indicates that, in the evolution of life on earth, complex organisms may have preceded simple organisms | false |
| The theory of Continental Drift was derived by a scientist to explain | Why marsupial mammals dominate Australia and New Zealand but placentals dominate the rest of the world |
| What is involved in Darwin's theory of evolution through natural selection | overproduction, variation and inheritance, struggle for existence (all of the above) |
| Which of the following terms describes two or more species occupying the same territorial range | none of the above |
| which of the following terms describes how two similar species can occupy the same territorial range | sympatric |
| In latin binomials the second part of the name is referred to as the | species |
| In Latin binomials the first part of the name is referred to as the | genus |
| What scientist set up the current method of using Latin binomials as the standard of identifying living things in the 1700s which is still used today | Linnaeus |
| Bacteria that are not capable of carrying on photosynthesis are | not phototrophic (all of the above) |
| These bacteria usually live on the "fringe" of conditions conducive for most life as we know it | archaebacteria |
| these bacteria live in normal conditions | eubacteria |
| photosynthetic, algal-like bacteria that play a critical role in nitrogen fixation are | cyanobacteria |
| Viruses consit/are made of ___ and ___ | protein coat, nucleic acid |
| A virus that attacks a bacterium is called a/an | phage |
| Which of the following economically important products comes from diatoms | polishes and reflectorized paint |
| Although algae are found almost everywhere, the multicellular seaweeds that are most frequently found in colder ocean waters belong to the division commonly known as | brown algae |
| Which protist is very common, important as a phytoplankton, and contains silica in its cell walls | diatoms |
| The algae most responsible for bioluminescence in tropical ocean waters are | dinoflagellates |
| Some multicellular brown algae are used for food and producing ___ which is commonly used as a food additive to make more creamy dishes | algin |
| In the common rockweed algae Fucus, the spherical chambers in which gametangia are produced are called | conceptacles |
| Which division of algae are proposed to be the early ancestors of land plants | green algae |
| True fungi have cell walls composed of a substance found in the shells of arthropods. That substance is ___ | chitin |
| An anticodon is found on a molecule of | tRNA |
| Nucleotide found in RNA and not DNA | uracily |
| DNA forming new DNA in a cell is referred to as | replication |
| DNA forming new RNA in a cell is referred to as | transcription |
| RNA forming a polypeptide chain is referred to as | translation |
| When the sequence of nucleotides is altered in a strand of DNA or RNA it is generically called a | mutation |
| Which of the following is not true of a codon | It extends from one end of a tRNA molecule |
| Circular extrachromosomal pieces of DNA in bacteria are | plasmids |
| What level of protein conformation is established at the end of gene expression | primary |
| To have macroevolution occur, there must be a ___ change in an individual that is passed on to another generation through the reproductive cells | permanent |
| Natural selection is based on all of the following aspects except | the mechanism of evolution is the inheritance of acquired characteristics |
| Which of the following is not involved in Darwin's theory of evolution | mutation |
| The theory that major evolutionary changes have taken place in relatively short periods of time, in spurts, is referred to as | punctuated equilibrium |
| Which of the following provides evidence to support evolution | form and ecology, fossil record, distribution of organisms |
| No two animals are genetically identical except for identical twins and clones. The source of genetic variation among animals is | reshuffling of alleles in sexual reproduction |
| Who proposed the same theory of Natural Selection at the same time as Darwin | Wallace |
| Which of the following would not contribute to allopatric speciation | Gene flow between the two populations is extensive |
| Which of the following steps has not yet been accomplished by scientists studying the origin of life | formation of protocells that use DNA to direct the polymerization of amino acids |
| Placing living organisms into categories of Kingdoms uses 3 different traits: | Prokaryote vs eukaryote single celled vs multicelled energy uptake |
| Which of the following characteristics, structures, or processes is common to both bacteria and virus | genetic material composed of nucleic acid |
| Which of the following involves metabolic cooperation among prokaryotic cells | Biofilms |
| Red tides and extensive fish kills are caused by population booms of | specific dinoflagellates |
| What are the multicellular algae that are found in cooler temperate waters and are sometimes sources of food | brown algae |
| What multicellular algae prefers warm water or tropical environments | red algae |
| Blue-green algae/cyanobacteria are extremely important in the grand scheme of things because they produce oxygen and food through the process of ___ and some species can fix __ from the air to help build proteins | photosynthesis, nitrogen |
| Which protist is very common, important as a phytoplankton, and has silica in its cell walls | diatoms |
| phylum of algae in which some individuals have the ability to be heterotrophic in times of plenty and be autotrophic if conditions change is | eugleraphyta |
| which of the algae have pigments similar to higher land plants | green algae |
| ___ is essentially a mass of callus tissue growing on an artificial medium | a tissue culture |
| Principles of _______ predicts that a population of a species will be survived by those individuals that are the most well adapted | natural selection |
| Why are mutations not included in Darwin's Theory of Evolution | not known at the time |
| Changes within chromosomes may occur through which of the following | deletion, translocation, inversion (all of the above) |
| Permanent change in a given plant population does not occur unless | inheritable variation develops |
| ____ evolution is a term used to describe how organisms that are not related can appear phenotypically similar due to adaptations to similar environments | convergent |
| geographic isolation of two populations of the same species is thought to lead to speciation. This theory is referring to ___ speciation | alopatria |
| ___ published a book in 1753 in which his "Binomial System" of classification is still used today | Linnaeus |
| Which of the following disease bacteria usually gain access to their victims through a contamination of food or drink | cholera |
| Some genetic recombination in bacteria occurs as a result of fragments of DNA being carried from one cell to another by viruses. This process is called | transduction |
| Bacteria that are more or less “rod” shape are called | bacilli |
| Bacteria that are more or less "spherical" shape are called | cocci |
| The nucleotide triplet found on mRNA that corresponds with a specific nucleotide triplet on tRNA is called the ____ | codon |
| In grafting, what tissue must be matched up pretty well between the stock (rooted part) and the scion (shoot or stem part) to help ensure a successful graft | vascular |
| the process by which one bacterial cell transfers dna to another thorugh a pious is | conjugation |
| corkscrew bacteria | spirlli |
Created by:
Cole.Turner
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