Louisiana State University

DNA contains the ____ ____ of every cell - Answer molecular blueprint proteins are the ____ ____ of the cell - Answer construction workers proteins control - Answer cell shape function reproduction synthesis of biomolecules there is a flow of information from ____ to _____ - Answer DNA; protein DNA in eukaryotes is kept in the - Answer nucleus Protein synthesis occurs at ____ in ____ - Answer ribosomes; cytoplasm DNA infor is carried by __...

Each daughter cell receives a complete set of DNA information. t/f - Answer True Prokaryotic chromosomes are not contained in a membrane-bound nucleus. t/f - Answer True at the end of DNA replication, a duplicated chromosome consists of 4 identical DNA double helices. t/f - Answer False; 2 not 4 Homologous chromosomes are usually not identical. t/f - Answer True Gametes have exactly half the genetic information of their parent cells and reestablish the full ge...

A sequence of three RNA bases can function as a(n) what? A. codon only. B. anticodon only. gene only. C. codon or anticodon. D. NONE of the above answers - Answer D What is Messenger RNA (mRNA)? A. a nucleic acid that, by itself, codes for the primary structure of a protein. made directly from DNA during transcription. B. permanently incorporated into the structure of ribosomes. C. larger if the protein to be made has a longer amino acid sequence. D. NONE of the above answers -...

CHAPTER 1: To test the effect of vitamin D on growth, two groups of rats were raised under identical conditions and fed the same diet. One of the groups received daily injections of vitamin D. The other group received injections of saline, which did not contain vitamin D. All the rats were weighed weekly for 2 months. In this experiment, the control was the? - Answer group receiving saline CHAPTER 1: A good experiment should include as many variables as possible at the same time. Tru...

Biology is - Answer The study of life Organisms - Answer actively maintain organized complexity, acquire and use materials and energy, sense and respond to stimuli, grow, reproduce, and evolve Organisms are made of cells which are - Answer the smallest basic units of life Cells are separated from their surroundings by a - Answer plasma membrane Cells fall into two main groups: - Answer Eukaryotic and Prokaryotic Eukaryotic cells contain a variety of -...

gene - Answer unit of DNA that encodes info needed to produce proteins, cells, & entire organisms; can be a few hundred to many thousands of nucleotides in length locus - Answer location of a gene on a chromosome autosomes - Answer non-sex chromosomes homologous chromosomes - Answer carry the same kinds of genes for the same characteristics alleles - Answer alternative versions of genes found at the same gene locus; formed by mutations homozygous - A...

Eukaryotic Cell - Answer -Nucleus -Internal membranes (Organelles) Prokaryote - Answer Nucleoid region What is the nucleoid? - Answer Dense region in a prokaryotic cell where DNA is found Where is the nucleoid found? - Answer Prokaryotic cell What is the function of the nucleus? - Answer Contains DNA in eukaryotic cell What is the function of the smooth endoplasmic reticulum? - Answer Makes lipids, smooth surface What is the function of the...

Biology - Answer The science of living organisms and life processes complex, organized structure response to stimuli ability to maintain homeostasis ability to acquire materials and energy growth ability to reproduce ability to evolve - Answer the characteristics of life Emergent Properties - Answer each level of life has ingredients or components which interact to make something greater than the sum of the parts Biosphere - Answer The part of Earth inhabit...

Chlorophyll A - Answer The most abundant type of chlorophyll molecule in photosynthetic eukaryotic organisms and in cyanobacteria. Pigment molecule - Answer A light-absorbing, colored molecule, such as chlorophyll, carotenoid, or melanin molecules. Electromagnetic spectrum - Answer The range of all possible wavelengths of electromagnetic radiation, from wavelengths longer than radio waves to microwaves, infrared visible light, ultraviolet, x-rays, and gamma rays. C3 pl...

____ is the capacity to do work. - Answer Energy ___________ is stored energy. - Answer Potential Energy ____________ is the energy of movement. - Answer Kinetic Energy Describes the basic properties of energy. - Answer The Laws of Thermodynamics States that energy can be neither created nor destroyed. - Answer The First Law of Thermodynamics The _________ in an isolated system remains constant. - Answer Total Energy What is the first law of ...