Biology and Genetics

1. The two different types of weathering are: A. Joint and fault B. Anticline an

1. The two different types of weathering are: A. Joint and fault B. Anticline and Syncline C. Mass wasting and mass movement D. Mechanical and Chemical. 2. The freezing and thawin…

1. The two homologous chromosomes of an autosomal pair normally represents: Plea

1. The two homologous chromosomes of an autosomal pair normally represents: Please explain. A. Identical arrangement of genes B. Non-identical arrangement of genes between the hom…

1. The two main functions of the lymphatic system are Answer coagulating blood a

1. The two main functions of the lymphatic system are Answer coagulating blood and fighting infections. producing hormones that regulate the immune system and coagulating blood. p…

1. The two major divisions of the nervous system are the CNS and the PNS.(T or F

1. The two major divisions of the nervous system are the CNS and the PNS.(T or F) 2. Action potentials normally travel along an axon in either direction depending on the needs of …

1. The two plants shown below are the same species. The plant on the left shows

1. The two plants shown below are the same species. The plant on the left shows the wild type height. The plant on the right has a mutation that causes a dwarf (short) phenotype. …

1. The two subdivisions of the nervous system are the central nervous system and

1. The two subdivisions of the nervous system are the central nervous system and the peripheral nervous system. (Points: 1) True False 2. Repolarization of a neuron to the resting…

1. The two types of primary porosity include: a. vugs and fractures; b. cementat

1. The two types of primary porosity include: a. vugs and fractures; b. cementation and intergranular porosity; c. intergranular and intragranular; d. intergranular and vugs 2. Wh…

1. The type of motion least common in biological membranes is flip flop of phosp

1. The type of motion least common in biological membranes is flip flop of phosphoplipid from one monolayer to the other. However, this does happen as part which of the following …

1. The upper and lower limbs (arms and legs) are considered to be part of the: S

1. The upper and lower limbs (arms and legs) are considered to be part of the: Select one: a. axial skeleton b. appendicular skeleton 2. The floating ribs are considered to be: a.…

1. The upper respiratory system includes allof the follwoing except: a. nose b.

   1. The upper respiratory system includes allof the follwoing except: a. nose b. larynx c. trachea d. paranasal sinuses 2. The firmness of the nose is mainly due to a. bone b. c…

1. The value of the gravitational acceleration on the Earth is roughly 9.81 m/s2

1. The value of the gravitational acceleration on the Earth is roughly 9.81 m/s2 and the mean radius is approximately 6, 371 km. Therefore, (a) what is the mean density of the Ear…

1. The vertebrae are the largest vertebrae forming the vertebral column. Each is

1. The vertebrae are the largest vertebrae forming the vertebral column. Each is characterized by a spinous process that is blunt and looks like the blade of a hatchet, a triangul…

1. The vestibular nuclei are located within the left and right brainstem or vest

1. The vestibular nuclei are located within the left and right brainstem or   vestibulocerebellum 2. The premotor neurons that enable posture control are found within the motor co…

1. The virus you isolated is an enveloped RNA virus. RNA isolated from this viru

1. The virus you isolated is an enveloped RNA virus. RNA isolated from this virus is capable of supporting translation in a rabbit reticulocyte cellfree translation system or in a…

1. The virus you isolated recently from Delaware County is an enveloped RNA viru

1. The virus you isolated recently from Delaware County is an enveloped RNA virus. RNA isolated from this virus is capable of supporting translation in a rabbit reticulocyte cellf…

1. The wildtype sequence of partof a protein is: NH 2 -Trp-Trp-Trp-Met-Arg-Glu-T

1.      The wildtype sequence of partof a protein is: NH2-Trp-Trp-Trp-Met-Arg-Glu-Trp-Thr-Met… Each mutant in the following table differs from wildtypeby a single point mutation (…

1. The wobble hypothesis of Francis Crick concerns what association? A. specific

1. The wobble hypothesis of Francis Crick concerns what association? A. specific pairing of purines with pyrimidines B. binding of large and small ribosimal subunits C. binding of…

1. The word settled has more than one meaning. In which one of the following sen

1. The word settled has more than one meaning. In which one of the following sentences is settled used incorrectly? A. Dust settled slowly as the truck moved down the road. B. As …

1. The yeast two-hybrid system is a powerful molecular genetic method to identif

1.The yeast two-hybrid system is a powerful molecular genetic method to identify a protein(s) that interacts with a known protein or protein domain. You have isolated the glucocor…

1. The zone of low pressure and calm winds located near the equator is referred

1. The zone of low pressure and calm winds located near the equator is referred to as the: a. Horse latitudes b. Doldrums c. Easterlies d. Northerly winds 2. Air __________ at the…

1. The “building blocks” of polysaccharides are _______, and the blocks are cova

1. The “building blocks” of polysaccharides are _______, and the blocks are covalently linked together by _______. A. glycerol and fatty acids; glycosidic linkages B. amino acids;…

1. The........... gives rise to the CNS while the ............... gives rise to

1. The........... gives rise to the CNS while the ............... gives rise to all neurons with cell bodies in the PNS. 2. The sense of _______________ is the exception to the ru…

1. Theoretically, plants could increase or decrease the size of individual stoma

1. Theoretically, plants could increase or decrease the size of individual stomata and still achieve the same result as varying the number of stomata. But they dont do this- plant…

1. There are 20 primary amino acids specified by the genetic code. Which step in

1. There are 20 primary amino acids specified by the genetic code. Which step in the translation process requires a separate and specific enzyme for each amino acid? A) joining an…

1. There are 6 different cards. Sort the cards into two groups. Each card should

1. There are 6 different cards. Sort the cards into two groups. Each card should be sorted into one and only one group. Explain how you sorted your cards into the two groups. CARD…

1. There are 6 scenarios given below, SORT the scenarios into TWO DIFFERENT grou

1. There are 6 scenarios given below, SORT the scenarios into TWO DIFFERENT groups. (Each scenario should be sorted into one and only one group). 2. Explain what scenarios in GROU…

1. There are a variety of types of repeated sequence in eukaryotic genomes that

1. There are a variety of types of repeated sequence in eukaryotic genomes that can complicate sequence assembly. The long repeated sequences may be BLANK , meaning that they are …

1. There are many challenges that organisms must meet to survive. Describe two c

1. There are many challenges that organisms must meet to survive. Describe two challenges and explain how plants and animals are able to meet these challenges. Be specific about s…

1. There are many more poikilotherms/ectotherms in aquatic environments than hom

1. There are many more poikilotherms/ectotherms in aquatic environments than homeotherms. Which of the following could be a reason for this? a) the water molecules are small b) wa…

1. There are several kinds of glial cells in the nervous system. Describe them a

1. There are several kinds of glial cells in the nervous system. Describe them and the functions of each Essays: please answer each question thoroughly. 10 points each. 2. Please …

1. There are three main classes of effector T cells that are specialized to figh

1. There are three main classes of effector T cells that are specialized to fight off different types of pathogens and produce different groups of cytokines. a. Name the three cla…

1. There are two alleles at gene B. Genotype B1B1 is at frequency 0.35; genotype

1. There are two alleles at gene B. Genotype B1B1 is at frequency 0.35; genotype B1B2 is at frequency 0.32; genotype B2B2 is at frequency 0.33. What is the frequency of allele B1?…

1. There are two layers gel in a discontinuous gel electrophoresis method which

1. There are two layers gel in a discontinuous gel electrophoresis method which are characterized as: a.Upper layer stacking gel with high gel concentration b.Upper layer, stackin…

1. There are two major path ways for homologous rrecombination in E. coli, the R

1. There are two major path ways for homologous rrecombination in E. coli, the RecBCD pathway and the RecFOR pathway. Why then, is recA- mutant completely deficient in homologous …

1. There are two patients who enter the hospital, each with weak distal pulses,

1. There are two patients who enter the hospital, each with weak distal pulses, elevated heart rate, and severe hypotension (i.e., low blood pressure). One patient is suffering fr…

1. There are viruses, called bacteriophage, that infect bacterial cells. Followi

1. There are viruses, called bacteriophage, that infect bacterial cells. Following viral entry, the cell begins to synthesize viral DNA and viral proteins, leading to the producti…

1. There are viruses, called bacteriophage, that infect bacterial cells. Followi

1. There are viruses, called bacteriophage, that infect bacterial cells. Following viral entry, the cell begins to synthesize viral DNA and viral proteins, leading to the producti…

1. There is an increased incidence of ____________ in children with asthma. a. d

1. There is an increased incidence of ____________ in children with asthma. a. diabetes b. overweight and obesity c. gluten intolerance d. osteoporosis e. ADHD 2. Hypertonia is ch…

1. There is an increased incidence of ____________ in children with asthma. a. d

1. There is an increased incidence of ____________ in children with asthma. a. diabetes b. overweight and obesity c. gluten intolerance d. osteoporosis e. ADHD 2. Hypertonia is ch…

1. There is an increased incidence of ____________ in children with asthma. a. d

1. There is an increased incidence of ____________ in children with asthma. a. diabetes b. overweight and obesity c. gluten intolerance d. osteoporosis e. ADHD 2. Hypertonia is ch…

1. There was a 5952 bp long gene in one of the region of a dsDNA of a cell. The

1. There was a 5952 bp long gene in one of the region of a dsDNA of a cell. The length of the RNA primer was 8 bp. The gene takes 119 seconds for complete replication (a) Calculat…

1. There was major period of angiosperm diversification and radiation between 11

1. There was major period of angiosperm diversification and radiation between 110 and 90 million years ago. For many years the dominant view was that this reflected coevolution wi…

1. Thiamin 2. Riboflavin 3. Niacin 4 Vitamin B6- 5. Vitamin B12- 6. Folate 7. Vi

1. Thiamin 2. Riboflavin 3. Niacin 4 Vitamin B6- 5. Vitamin B12- 6. Folate 7. Vitamin C 8. Vitamin D 9 Vitamin A (RAE) 10. Vitamin E 11. Calcium 12. Iron- 13. Magnesium 14. Potass…

1. This brain chemical, also known as the \"bonding hormone,\" contributes to se

1. This brain chemical, also known as the "bonding hormone," contributes to sexual arousal and feelings of being in love. A. oxytocin B. endorphins C. dophamine D. serotonin 2. In…

1. This chapter introduces the idea that the species on our planet are all conne

1. This chapter introduces the idea that the species on our planet are all connected, sometimes in ways that are not obvious. From your studies in other fields, give three example…

1. This condition is a disturbance of water metabolism resulting in extreme thir

1. This condition is a disturbance of water metabolism resulting in extreme thirst and excessive secretion of dilute urine. One cause is an injury to the pituitary gland resulting…

1. This embryonic tissue is directly involved in the process of implantation, fa

1. This embryonic tissue is directly involved in the process of implantation, facilitating the embedding of the human conceptus into the uterine lining. a. Describe the structure …

1. This exercise illustrates a very commonly-encountered task in molecular biolo

1. This exercise illustrates a very commonly-encountered task in molecular biology: finding a gene sequence in a database, designing PCR primers for its amplification and cloning …

1. This figure shows a mountain glacier system. By looking at the inputs and out

1. This figure shows a mountain glacier system. By looking at the inputs and outputs, it is obvious that this system is: a) a positive feedback loop b) closed c) a negative feedba…

1. This group question is based from the following information: DNA template mol

1. This group question is based from the following information: DNA template molecule is: 5 prime (5') end: A-G-C-T-A-T-C-T-A-C-G-A: 3 prime (3') end 1a. What will be produced by …