BSC 108 Exam 2 Questions And Answers Package Deal

The structure of a strand of DNA. - ANS it is a double helix, like a twisted ladder. the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate backbone (made of deoxyribose and a phosphate group) What are the nucleotide subunits? - ANS aden...

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 followin...

DNA and RNA are polymers composed of - ANS nucleotide monomers In a DNA double helix, adenine pairs with ______ and guanine pairs with _______. - ANS thymine; cytosine If one strand of DNA has the sequence ATCCGA, what is the sequence of the other strand? - ANS TA...

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...

Adenine always pairs with - ANS Thymine (A=T) Cytosine always pairs with - ANS Guanine (C=G) nitrogen-containing bases (adenine, guanine, thymine, and cytosine) of the two strands are held to each other by - ANS hydrogen bonds a DNA molecule contains _____ stra...

What are the differences between RNA and DNA? - ANS RNA is a single strand, contains uracil instead of thymine, and ribose instead of deoxyribose What are the four nucleotide bases for DNA and RNA? - ANS DNA: Adenine (A), Cytosine (C), Guanine (G), and Thymine (T). RNA: The...

Who was the "grandfather" of genetics? - ANS Mendel Who was the "father" of genetics? - ANS Watson and Crick 4 Characteristics of a Good Genetic Test Subject - ANS 1. Short generation time (like fruit flies) 2. Readily available 3. Cost effective 4. Breeds ...

DNA is composed of ____ subunits. - ANS Nucleotide DNA has a ____ backbone covalently bonded to _____-containing bases - ANS Sugar-phosphate Nitrogen A DNA molecule contains how many strands of DNA? These strands form what? This means that they are _____. - ANS ...

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, ...

structure of DNA - ANS composed of nucleotide subunits - has sugar - phosphate backbone (deoxyribose and phosphate) DNA - ANS deoxyribonucleic acid nitrogen - containing bases - ANS adenine, guanine, thymine, cytosine adenine, guanine, thymine, cytosine - ANS...

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. Regulat...

What do all living organisms need to sustain life? - ANS energy What is energy? - ANS the capacity to do work Define kinetic energy - ANS energy of motion Define potential energy - ANS stored energy What are the different types of energy? - ANS ...

What is photosynthetic autotroph? - ANS Creatures that generate their own organic matter through photosynthesis. What is the fluid inside chloroplasts called? - ANS Stroma. What are the membranes inside chloroplasts called? - ANS Thylakoids. What is the overall...

atoms, molecules, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere - ANS list the levels of biological organization in order from smallest to largest order, regulation, growth and development, energy usage, response to environment, reprodu...