Biology and Genetics

1. the ecosystem will break down if ______is (are) not constancly supplied or re

1. the ecosystem will break down if ______is (are) not constancly supplied or recycled. a. energy b. matter. c. both energy and matter or d. neither 2. energy is ______pollution?.…

1. the greater degree of phenotypic variation observed in human females compared

1. the greater degree of phenotypic variation observed in human females compared to males is explained by a. genomic imprininting b. mosaicism c. chromosomal nondisjunction d. gen…

1. the law of independent assortment states that inheritanceof alles for one tra

1. the law of independent assortment states that inheritanceof alles for one trait is not affected by the inheritance ofalleles for a different trait if the genes for the traits a…

1. the position of a species or group of species in a food chain or a food web t

1. the position of a species or group of species in a food chain or a food web that reflects the distance to the primary energy source of the food chain or web. A. producer B. Tro…

1. the pressure that pushes sedimentary rock into fold comes from a. isostasy b.

1. the pressure that pushes sedimentary rock into fold comes from a. isostasy b. vertical forces c. horizontal compression 2. the surface feature that is produced when horizontal …

1. the procedure calls for vigorous grinding of the onion cells with sand. would

1. the procedure calls for vigorous grinding of the onion cells with sand. would you be able to isolate the dna in a cells if this step were omitted? whats the purpose of the grin…

1. the pros and cons of genetic testing and the protections in place for those w

1. the pros and cons of genetic testing and the protections in place for those who have genetically caused diseases. 2.would be genetically tested for a disease and why or why not…

1. the source of electrons used in photosynthesis g. light reactions 2. a byprod

1. the source of electrons used in photosynthesis                  g. light reactions 2. a byproduct of photosynthesis                                           h. dark reactions …

1. the two branches of adaptive immunity are.. a. …. :relating to effector funct

1. the two branches of adaptive immunity are.. a. …. :relating to effector functions that are mediated by soluble defensive factors b. …… relating to effector functions that are m…

1. trans -acting factors are able to regulate target genes from any chromosome,

1. trans-acting factors are able to regulate target genes from any chromosome, whereas cis-acting elements can only regulate genes located in the same chromosome. True only in ope…

1. transpiration and water flow through xylem experiment Which leaf (trimmed or

1. transpiration and water flow through xylem experiment Which leaf (trimmed or untrimmed) will dye go up the petiole the fastest if put in beakers with dye? why? When you cut the…

1. two genes loci, A and B, assort independently and alleles A and B are dominat

1. two genes loci, A and B, assort independently and alleles A and B are dominate over alleles a and b. what type of gametes will an AaBb individual produce and in what proportion…

1. viruses 2.domain bacteria phylum cyanobacteria 3. domain eukarya a. kingdom a

1. viruses 2.domain bacteria          phylum cyanobacteria 3. domain eukarya      a. kingdom alveolata            phylum apicomplexa            phylum dinoflagellata       b. king…

1. watermelons bitter fruit (B) is dominate to sweet fruit (b) and yellow spots

1. watermelons bitter fruit (B) is dominate to sweet fruit (b) and yellow spots (S) are dominate to no spots (s). A homozygous plant that has bitter fruit and no spots is crossed …

1. were for an E. coli metabolic enzyme from a wild type strain and a strain wit

1. were for an E. coli metabolic enzyme from a wild type strain and a strain with a double mutation, having one deletion followed by one insertion at another position. The results…

1. what Not true for ocean trenches? a. caused when ocean plate curve downward,

1. what Not true for ocean trenches? a. caused when ocean plate curve downward, b. can be twice as deep as the mid ocean floor . c. melted material rises and create volcanic islan…

1. what Not true for ocean trenches? a. caused when ocean plate curve downward,

1. what Not true for ocean trenches? a. caused when ocean plate curve downward, b. can be twice as deep as the mid ocean floor . c. melted material rises and create volcanic islan…

1. what are the primary foods that !kung eat? list as many as you can ? 2. is th

1. what are the primary foods that !kung eat? list as many as you can ? 2. is there a sexual division of labour among the !kung?in other words, are there different jobs that men a…

1. what are the underlying assumptions and values of utilitarian conservation an

1. what are the underlying assumptions and values of utilitarian conservation and altruistic preservation? which do you favor? 2. Are there enough resources in the world for 8 or …

1. what astronomical unit of length do these numbers represent? a.1*10^13 km b.

1. what astronomical unit of length do these numbers represent? a.1*10^13 km b. 1.5*10^8 km c. 3.26 ly 2. what is the distance from earth to the Sun in kilometers? 3. If an object…

1. what astronomical unit of length do these numbers represent? a.1*10^13 km b.

1. what astronomical unit of length do these numbers represent? a.1*10^13 km b. 1.5*10^8 km c. 3.26 ly 2. what is the distance from earth to the Sun in kilometers? 3. If an object…

1. what chemical indicator is used to determine amylose (starch) hydrolysis? How

1. what chemical indicator is used to determine amylose (starch) hydrolysis? How does it reveal whether s tarch has been digested? 2. Amylase is a hydrolase. What does that mean (…

1. what concepts help archaeologist to reconstruct past social and political org

1. what concepts help archaeologist to reconstruct past social and political organizations? 2.what archaeological remains are importent in reconstructing political organization, e…

1. what is a recombinant protein, and why would it be used instead of a a native

1. what is a recombinant protein, and why would it be used instead of a a native protein? 2. Name one pro and one con of using eukaryotic cells to produce a recombinant prote When…

1. what is a ubiquitin tag? What role do these tags play in gene regulation? 2.

1. what is a ubiquitin tag? What role do these tags play in gene regulation? 2. What is RNA interference? Give an example of the two types of RNA involved. 3. list 3 mechanisms of…

1. what is not true for meanders? a. banks of rivers are generally clay, b. made

1. what is not true for meanders? a. banks of rivers are generally clay, b. made when the river bed is practically flat, c. when cut off they forms oxbow lakes? d. create wide flo…

1. what is the adaptive advantage of having the system to propel sporangia as se

1. what is the adaptive advantage of having the system to propel sporangia as seen in pilobolus? 2.how many bacterial cells are necessary to start a colony? 3.how many bacteria wi…

1. what is the optimal pH for salivary amylase activity and how does it compare

1. what is the optimal pH for salivary amylase activity and how does it compare with the pH at which the enzyme is normally found? 2. The pH inside most animal’s stomachs is usual…

1. what is the purpose of the exonuclease I enzyme? 2. why was the discovery of

1. what is the purpose of the exonuclease I enzyme? 2. why was the discovery of Taq DNA polymerase important for the development of PCR? 3. The protein GAPDH is necessary for cell…

1. what is the purpose of using urea in PAGE? 2. During the measurement of the t

1. what is the purpose of using urea in PAGE? 2. During the measurement of the time course, you are asked to take out a small aliquot of the sample. Then you are asked to immediat…

1. what is: A. the conjugate base of carbonic acid, H2CO3? B. Conjugate acid of

1. what is: A. the conjugate base of carbonic acid, H2CO3? B. Conjugate acid of the HSO4- ion? And how do you know this. Explain. 2. You add 0.235 g of KOH to 200.0 mL of water at…

1. what might be the rationale that explains why there are so many water quality

1. what might be the rationale that explains why there are so many water quality than air quality standards? 2. The form of the standards is quite different for air and water poll…

1. what protein complex in the inner mitochondrial membrane allows protons to re

1. what protein complex in the inner mitochondrial membrane allows protons to return to the matrix? a. cytochrome b. electron transport carriers c. F0F1 d. NADH dehydrogenase e. p…

1. what subcellular organelle or compartment functions primarily to degrade othe

1. what subcellular organelle or compartment functions primarily to degrade other molecules without any production of energy or useful work: a. nucleus b. cytosol c. lysosome d. p…

1. when in the mitochondrial matrix, citrate is an ______ pathway regulator, and

1. when in the mitochondrial matrix, citrate is an ______ pathway regulator, and inhibits _____________. A. inter-; succinate dehydrogenase B. intra-; succinate dehydrogenase C. i…

1. where do the secondary electrons in a scanning electron microwcope come from?

1. where do the secondary electrons in a scanning electron microwcope come from? A)Electrons from the specimen B) Electron collector C) Electron magnetic Fields D) Electron Gun 2.…

1. where is the mycellum usually hidden 2. how is the way a fungus \"feeds\" dif

1. where is the mycellum usually hidden 2. how is the way a fungus "feeds" differenct from the way an animal feeds? 3. what does mycorrhiza mean 4. what is the difference between …

1. where is the mycellum usually hidden 2. how is the way a fungus \"feeds\" dif

1. where is the mycellum usually hidden 2. how is the way a fungus "feeds" differenct from the way an animal feeds? 3. what does mycorrhiza mean 4. what is the difference between …

1. which is not a factor affecting membrane transport of a molecule? a. molecula

1. which is not a factor affecting membrane transport of a molecule? a. molecular size b. lipid solubility c. its role in homeostasis d. concentration of the molecule 2. True or f…

1. which muscle type is said to be thick filament regulated? a) skeletal b) card

1. which muscle type is said to be thick filament regulated? a) skeletal b) cardiac c) smooth d) both a and b 2. which muscle type is said to be thin filament regulated? a) skelet…

1. which of the conditions below would most likely allow two phytoplankton speci

1. which of the conditions below would most likely allow two phytoplankton species competing for the same resources in a chemostat to coexist for extended periods of time? A. They…

1. which of the conditions below would most likely allow two phytoplankton speci

1. which of the conditions below would most likely allow two phytoplankton species competing for the same resources in a chemostat to coexist for extended periods of time? A. They…

1. which of the following is (are) required for evolution? a. high stable genome

1. which of the following is (are) required for evolution? a. high stable genome b. mutation c. competition d. heritable traits 2. what can you conclude about genetic differences …

1. which of the following is a mechanism to imprint genes? a. acetylation of cyt

1. which of the following is a mechanism to imprint genes? a. acetylation of cytosine b. phosphorylation of adenine c. methylation of alanine d. methylation of cytosine 2. A trans…

1. which of the following is a mechanism to imprint genes? a. acetylation of cyt

1. which of the following is a mechanism to imprint genes? a. acetylation of cytosine b. phosphorylation of adenine c. methylation of alanine d. methylation of cytosine 2. A trans…

1. which of the following is a property of all cells a. they are all unicellular

1. which of the following is a property of all cells a. they are all unicellular b.they reproduce c. they have the same amount of DNA d. they all get energy from photosynthesis e.…

1. which of the following is a property of all cells a. they are unicellular b.

1. which of the following is a property of all cells a. they are unicellular b. they reproduce c. they have the same amount of DNA d. they all get energy from photosynthesis e. A …

1. which of the following is not used currently to create phylogenetic relations

1. which of the following is not used currently to create phylogenetic relationships a. pseudogenes/ tandom repeat units b. rRNA sequences c. tooth spacing lengths 2. which of the…

1. which of the following is the most appropriate an cost-effective method for s

1. which of the following is the most appropriate an cost-effective method for soil sampling large areas? a. taking and testing individual soil samples from each horizon b. taking…

1. which of the following reactions involves the formation ofa methyl ester from

1. which of the following reactions involves the formation ofa methyl ester from a carboxylic acid? a. cope elimination b. Hell-Volhard_Zelinsky reaction c. reaction with CH2N2 d.…