BIO 101 Guías de estudio, Notas de estudios & Resúmenes

Bio 101 Practice Exam Questions and Answers All Correct The smallest unit of biological structure that meets the functional requirements of "living" is the . - Answer-cell A scientist observes that when she opens the back door of her house to let her cat out, the songs of a certain species of bird abruptly change. She wants to follow up on her observations with an informal experiment. Which of the following is the best hypothesis for explaining the birds' song changes? - Answer-The bir...

BIO 101 Exam Questions with All Correct Answers Rank these from smallest to largest A) grain of rice<HIV virus<E. coli bacteria< Human egg cell B) HIV virus < E. coli bacteria< Human egg cell grain of rice C) HIV virus < Human egg cell <E. coli bacteria< grain of rice D) E. coli bacteria <HIV virus, < Human egg cell< grain of rice - Answer-B Which is not a requirement for natural selection to occur? A) Random mating B) Competition for limited resource...

Bio 101 Exam Questions and Answers All Correct 1. Which organ system is physiologically most similar to the nervous system? A) integumentary system B) muscular system C) reproductive system D) endocrine system - Answer-D: endocrine system 2. What is the name of the structure labeled A? - Answer-A: dendites 3. What is the name of the structure labeled B? A) axon B) dendrites C) cell body D) myelin sheath - Answer-A: axon 4. Which structure increases the speed of impulse transmissi...

Bio 101 Chapter 7 Exam Questions and Answers All Correct (1) How can a single gene encode for more than one protein? Select one: a. by removing different combinations of introns b. by transcribing multiple copies of mRNA c. by mutating their genes d. by using different codons e. by using transgenes - Answer-a. by removing different combinations of introns If E. coli bacteria are grown in the absence of lactose, then the repressor will Select one: a. bind the operator allowing transcripti...

Bio 101 Chapter 7 Exam Questions and Answers All Correct If E. coli bacteria are grown in A change in a cell's DNA sequence is Select one: a. transcription. b. a mutation. c. an operon. d. translation. e. replication. - Answer-b. a mutation A diploid cell only has two copies of most genes, but can make hundreds of copies of a protein from those genes per second because Select one: a. while transcription can repeat and make multiple mRNA copies of genes, and multiple ribosomes can t...

Bio 101 Exam 1 NVCC latest update graded A+ Carbohydrates Basic Unit monosaccharides lipids basic unit fatty acids proteins basic unit amino acids Nucleic Acids Basic Unit nucleotide Carbohydrates examples sugars and starches Carbohydrate function in the body (Energy) Carbohydrates: Monosaccharides glucose, fructose, galactose Liplids Function High Energy Protein examples hemoglobin, enzymes, insulin protein functions Storage, Hormonal, Contractile, Defensive,Tra...

Bio 101 Exam 1 Study Guide Questions Already Passed 1) All organisms belonging to the kingdom Plantae Photosynthetic 2) The complex of proteins and DNA in a nondividing cell is called chromatin 3) The nucleoid region of a prokaryotic cell contains the cells DNA 4) The ultimate source of energy flowing into nearly all ecosystems is sunlight 5) How do cells capture the energy released by cellular respiration? they produce ATP 6) The end products of glycolysis include NADH 7...

BIO 101 Exam 1 Questions and Answers 100% Pass What is Biology? Study of life; encompasses everything -biomolecular biology and technology have brought around a new era for biology What are the major characteristics of Life? 1) reproduction (DNA (deoxyribose nucleic acid); double helix shape; stores genetic info) 2) cellular repsiration (used to creat energy) (metabolism; need it to perform basic functions of life; food (carbs, proteins, lipids/fats, vitamins/minerals) 3) adaptatio...

You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean? a. abyssal b. bathypelagic c. epipelagic d. mesopelagic bathypelagic What was the first seed plant to appear? a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants gymnospermIn a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate? a. They will have affected offspring. b. They will h...

Bio 101 Test Questions with Complete Solutions Central Dogma of Biology - Answer-DNA-transcription-RNA-translation-protein transcription - Answer-the process of copying out the DNA sequence of a gene in the similar alphabet of RNA. Steps of Transcription (mRNA synthesis) - Answer-1. Initiation 2. Elongation 3. Termination In depth explanation of translation - Answer-Initiation of Translation Protein synthesis begins with the formation of an initiation complex. In E. coli, this comp...