Bsc 108 test - Study guides, Class notes & Summaries

bsc 108 test 3- yates Exam/82 Questions and Answers

What is biology? - The study of life List the three domains. - Eukarya, Bacteria, and Archae List the four kingdoms in Eukarya. - Animalia, Plantae, Fungi, and Protista What are the properties of life? - 1. They have order 2. Regulate themselves - homeostasis 3. Grow and Develop 4. Respond to the environment 5. They reproduce 6. Populations evolve 7. Use energy How do you define something as living? - Anything that is complex and made of chemicals, something that needs to eat food, ...

Adenine always pairs with - correct answer Thymine (A=T) Cystosine always pairs with - correct answer Guanine (C=G) nitrogen-containing bases (adenine, guanine, thymine, and cytosine) of the two strands are held to each other by - correct answer hydrogen bonds a DNA molecule contains _____ strands of DNA - correct answer 2 What are the three types of RNA - correct answer mRNA, tRNA, rRNA function of mRNA (messenger) - correct answer carries genetic info copied from DNA function...

The scientific study of heredity is called ___________. a. heredity b. breeding c. genetics d. true-breeding - ANS c. genetics In DNA, the phosphate groups and the sugars are on the outside of the double helix. a. True b. False - ANS a. True Which of the following are potential problems with Genetically Modified (GM) crops and Transgenic plants. a. Crops carrying genes from other species might harm the environment. b. GM foods could be hazardous to human ...

BSC 108 TEST 3 | 100% Correct | Verified | 2024 Version how do new viruses arise - mutation of existing viruses spread to new host species what is the expected phenotypic ratio in the F2 generation from a true-breeding monohybrid cross? - 3 dominant to 1 recessive blood type is an example of - Multiple allele and co-dominance in humans, the _________ determines the sex of the offspring because ______________. - male... the male can either contribute an X or a Y chromosome ...

how do new viruses arise - mutation of existing viruses spread to new host species what is the expected phenotypic ratio in the F2 generation from a true-breeding monohybrid cross? - 3 dominant to 1 recessive blood type is an example of - Multiple allele and co-dominance in humans, the _________ determines the sex of the offspring because ______________. - male... the male can either contribute an X or a Y chromosome ___________ is defined as an organism's expressed physical traits - p...

What is biology? - ANS The study of life List the three domains. - ANS Eukarya, Bacteria, and Archaea List the four kingdoms in Eukarya. - ANS Animalia, Plantae, Fungi, and Protista What are the properties of life? - ANS 1. They have order 2. Regulate themselves - homeostasis 3. Grow and Develop 4. Respond to the environment 5. They reproduce 6. Populations evolve 7. Use energy How do you define something as living? - ANS Anythi...

DNA vs RNA - ANS RNA contains ribose instead of deoxyribose, RNA contains uracil instead of thymine like DNA, RNA is single-stranded rather than double-stranded like DNA, RNA is smaller than DNA What are the four nucleotide bases for DNA and RNA? - ANS DNA: adenine, cytosine, guanine, thymine RNA: adenine, cytosine, guanine, uracil How do the bases pair in a DNA strand? - ANS A, T. C, G How do bases pair in a RNA strand? - ANS A, U. C, G What ...

Formation of a new species is called - ANS speciation As a mechanism of evolution, natural selection can be most closely equated with - ANS unequal reproductive success What is NOT an example of natural selection? - ANS On a tree, leaves that grow in the shade are larger than those that grow in the sun Which of the following pairs of anatomical structures are homologous? - ANS bat wing and human arm A gene pool is - ANS All of the all...

BSC 108 Test 1 | 100% Correct | Verified | 2024 Version What is biology? - the scientific study of life What are the 3 domains? - Eukarya, Bacteria, Archaea What is the scientific process? - a formal process of inquiry What are the components of the scientific method? - observation, question, hypothesis, prediction, experiment, results What are the components of a good hypothesis? - should be specific; usually "if, then" statements What is a theory in science? - a broad a...