NVCC Biology 101 Exam Bundle ( Rated A+)

What is biology? - ANSWER-the study of living things What are the levels of organization that biologist use - ANSWER-organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere What is required for something to be alive - ANSWER-Homeostasis, ...

1. In terms of some of the classical experiments that examined DNA structure, which of the following is incorrectly paired? A. Chargoff -- DNA chemical structure B. Franklin -- 3D shape of DNA C. Hershey and Chase -- DNA is the genetic material D. Griffith -- DNA is composed of complementary...

Which of the following best describes a controlled variable? - ANSWER-something present in the environment in which the experiment was conducted that was equally present for both the experimental and control groups What was the independent variable that was the main difference between the control...

What is an adaptation? A. a genetic change over time B. an increase in reproductive success by certain individuals C . a trait that is heritable and confers reproductive success D. differential reproductive success of a particular individual E. B & D - ANSWER-C. a trait that is heritable ...

Meisosis results in - ANSWER-4 different haploid cells The purpose of meiosis is to - ANSWER-produce gametes (eggs and sperm) There are _____ Cell divisions in meisosis - ANSWER-2 Meiosis occurs in the _______ - ANSWER-Ovary or testes DNA replication occurs during ________ - ANSWER-Inter...

What are fossils? - ANSWER-remains of animals or plants once alive in sedimentary rock What part of the animal is usually left in a fossil? - ANSWER-skeletons and bones What are the two things in which whole animals are found? - ANSWER-amber and ice A scientist who digs up and studies fossi...

What phenotype would you expect from an F2 generation if purple is dominant to white? - ANSWER-3/4 purple, 1/4 white genotype - ANSWER-genetics of an organism Phenotype - ANSWER-outward appearance of an organism; controlled by genotype Dominant fraction for unlinked loci? (independent assor...

Which statement about biomes, the major terrestrial ecosystems covering the Earth, is true? A) The major factors affecting the distribution of biomes are wind and sunlight. B) Fire is important in some biomes because it creates openings. C) Each of the ten major biomes is restricted to just one...

Body growth (development of embryo into an adult) Replace damaged and dead cells ( Both happen by Mitosis) Reproduce (Meiosis) - ANSWER-Why do multicellular organisms need their cells to divide? meiosis - ANSWER-Is reproduction meiosis or mitosis mitosis - ANSWER-is replacing cells meiosis o...

__________ occur(s) in the gonads to produce gametes. 1) Mitosis 2) Meiosis 3) Mitosis and meiosis - ANSWER-2) Meiosis During which stage of meiosis do the newly separated sister chromatids begin to move toward the poles? 1) Prophase I 2) Telophase I 3) Anaphase II 4) Anaphas...

Carbohydrates Basic Unit - ANSWER-monosaccharides lipids basic unit - ANSWER-fatty acids proteins basic unit - ANSWER-amino acids Nucleic Acids Basic Unit - ANSWER-nucleotide Carbohydrates examples - ANSWER-sugars and starches Carbohydrate function in the body - ANSWER-(Energy) Car...

monosaccharides - ANSWER-Carbohydrates Basic Unit fatty acids - ANSWER-lipids basic unit amino acids - ANSWER-proteins basic unit nucleotide - ANSWER-Nucleic Acids Basic Unit sugars and starches - ANSWER-Carbohydrates examples (Energy) - ANSWER-Carbohydrate function in the body glu...

Biological organization - ANSWER-atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere Prokaryote - ANSWER-a small unicellular organism that lacks a nucleus and membrane bound organelles; bacteria and archaea Eukaryote - ANSWER-a ce...

Which of the following statements about species, as defined by the biological species concept, is (are) correct? I. Biological species are defined by reproductive isolation. II. Biological species are the models used for grouping extinct forms of life. III. The biological species is the largest...

If, on average, 46% of the loci in a species' gene pool are heterozygous, then the average homozygosity of the species should be A) 23% B) 46% C) 54% D) There is not enough information to say - ANSWER-C) 54% Which statement about the beak size of finches on the island of Daphne Major during ...

Garrod hypothesized that inherited diseases such as alkaptonuria, the inability to metabolize the chemical alkapton, occur because A) metabolic enzymes require vitamin cofactors, and affected individuals have significant nutritional deficiencies B) many metabolic enzymes use DNA as a cofactor,...

Which of the following descriptions correctly defines a genome? A) representation of a complete set of a cell's polypeptides B) the complete set of an organism's polypeptides C) a karyotype D) the complete set of an organism's genes - ANSWER-D) the complete set of an organism's genes Whic...

Eukaryotic chromatin is composed of A) condensed DNA only B) DNA and RNA C) DNA and carbohydrates D) DNA and proteins E) DNA and ribosomes - ANSWER-D) DNA and proteins Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have A) ha...

The cellular process of breaking down large molecules into smaller ones is defined as A) catalysis B) metabolism C) anabolism D) dehydration E) catabolism - ANSWER-E) catabolism The cellular process of synthesizing large molecules from smaller ones is defined as A) catalysis B) metabolism ...

About 20-25% of the 92 natural elements are known to be essential to life. Which four of these elements make up approximately 96% of living matter? A) carbon, sodium, hydrogen, nitrogen B) carbon, oxygen, phosphorus, hydrogen C) oxygen, hydrogen, calcium, nitrogen D) carbon, hydrogen, nitrogen, ...

All of the individuals of the same species living within a specified area is known as a A) community B) ecosystem C) family D) population - ANSWERS-D) population Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sun...

What is Organic Chemistry? - ANSWER-The study of compounds that contain carbon What are Organic Compounds? - ANSWER-They are carbon-based molecules What happens if you bond a Carbon atom with a Hydrogen atom? - ANSWER-This will give you a hydrocarbon. What holds Hydrocarbons together? - ANS...