OAT Physics/Electrochemistry/Ecology/Biology/Physiology Exam Bundle (Graded A )

Which of the following does not occur during telophase? A. Reassembly of the nuclear membrane B. Reappearance of the nucleoli C. Uncoiling of the chromosomes D. Centromere division E. Dismantling of the spindles - Answer-D. Centromere division Enzymes which catalyze the phosphorylation of or...

Starch is made up of repeating units of ____ - Answer-Alpha-Glucose What is the definition of being ampiphatic? - Answer-Having both hydrophilic and hydrophobic parts in the same molecule Do plants cells contain centrioles? - Answer-No The contents of the the nucleus are separated from the ...

unable to synthesize all of needed nutrients - Answer-what does it mean to be heterotrophic the degradation of large molecules into smaller molecules that can be absorbed into the bloodstream and used directly by cells - Answer-what does digestion consist of the oral cavity - Answer-where does...

5 parts of Cell Theory - Answer-- All living things are made of cells - The cell is the basic functional unit of life - The chemical rxns of life take place inside of the cell - Cells form from pre-existing cells - Cells carry genetic information through DNA What is cell membrane permeable to...

embryology - Answer-- the study of the development of a unicellular zygote into a multicellular organism fertilization - Answer-- eggs can be fertilized 12-24 hours after ovulation - occurs in the fallopian tube (widest portion of oviduct) when sperm encounters egg. fraternal twins - Answer--...

What is the first event that occurs during meiosis? A. Homologous chromsomes segregate to opposite poles. B. Sister chromatids segregate to opposite poles. C. Homologous chromosomes align at the midplate of the cell. D. Homologous chromosomes pair and synapse. E. Chromsomes condense in a di...

Cell Theory - Answer-1. All cells arose from pre-existing cells. 2. All living things are made of cells. 3. Cells are the functional units of life. 4. The chemical reactions of life occur from within cells. 5. Cells have DNA/genetic material which is passed from parent to daughter cell. 6 Kin...

tendons - Answer-muscles attached to bones origin of skeletal muscle - Answer-point where muscle attaches to bone that is closer to center of body insertion of skeletal muscle - Answer-point where muscle attaches to bone that is farther from center of body muscle contraction brings what clo...

How many hours does it take for an egg to get fertilized? - Answer-12-24 hours Cleavage - Answer-series of rapid mitotic division The divisions in cleavage lead to - Answer-increase in cell number without growth in cell volume What does cleavage result in as far as nuclei to cytoplasm ratio...

Enzymes - Answer-Enzymes lower the activation E of a rxn making it easier for the substrate to reach the transition state. - Enzymes increase the rate of a rxn (how fast equilib is reached), but do not alter the position of the equilibrium; - Do not affect the overall free E or enthalpy of a rxn;...

ecology - Answer-- study of interactions between organisms and their environment environment - Answer-- all external to the organism and is necessary for its survival abiotic - Answer-- non living or physical environment - climate, temperature, availability of light and water biotic - Answ...

Lamarckian Evolution - Answer-The discredited theory that evolution proceeds through the inheritance of acquired characteristics. Acquired characteristics arise from use or disuse during an organism's life; "if you don't use it, you lose it." Classic example - giraffes and their neck Darw...

seed plants - Answer-gymnosperms and angiosperms (monocots and dicots) cotyledons - Answer-storage tissue that provides nutrition for the developing seed dicots have two monocots have one leaf venation - Answer-pattern of veins in leaves dicots are branched monocots are parallel flower...

Why Cell Division - Unicellular Organisms - Multicellular Organisms - Answer-Cell doubles its organelles and splits in two. - Means of reproduction - Means of growth, development, survivability Chromosome v. Chromatin - Answer-Chromatid(s) held together at centromere v. uncoiled DNA Ploidy...

The three domains - Answer-Archaea, bacteria, eukarya six kingdoms - Answer-Archaea, eubacteria, protista, fungi, plantae, animalia Viruses are in the kingdom ___________ - Answer-TRICK QUESTION - they are not classified Kingdoms are divided into - Answer-Phyla (animals) divisions (other ki...

Which of the following macromolecules will disulfide linkages be found along their standard structures? A) Nucleotides B) Carbohydrates C) Lipids D) Proteins E) Cholesterol - Answer-Proteins High content of Oxygen in the fetal circulation system may be traced at the A) Umbilical Arter...

Ingestion - Answer-Acquisition of food Assimilation - Answer-Building of new tissues from digested food Monosaccharide - Answer-single sugar subunit - carb Ex: glucose, fructose, galactose Disaccharide - Answer-2 monosaccharides - carb Ex: sucrose, lactose Polysaccharide - Answer-Pol...

All of the following are components of the Cell Theory EXCEPT the idea that a) all living things are composed of cells b) all living things contain mitochondria c) cooperation among cells allows for complex functioning in living things. d) all cells arise from preexisting cells e) cells carry...

Muscle movement on the cellular level is initiated by the release of Ca2+ from the terminal cisternae. Terminal cisternae are associated with A. sarcoplasmic reticulum. B. myosin cross-bridges. C. myoglobin. D. canaliculi. E. thin filaments. - Answer-A Muscle fibers store Ca++ in the s...

What are the three disaccharides? - Answer-sucrose, lactose, and maltose What are the two components of sucrose? - Answer-glucose + fructose What are the two components of lactose? - Answer-glucose + galactose What are the two components of maltose? - Answer-glucose + glucose Enzymes are...

Average velocity - Answer-(distance/ time) displacement kinematics - Answer-d= v1t + (1/2)at^2 Final velocity kinematics - Answer-v2= v1 + at Final velocity squared kinematics - Answer-v2^2= v1^2 + 2ad average acceleration - Answer-(v2- v1) / (t) net force - Answer-F= ma weight - A...

ecology - Answer-study of interactions between organisms and their environment abiotic - Answer-the __ environment includes climate, temp, availability of light and water, and the local topology biotic - Answer-the __ environment includes all living things that directly or indirectly influence...

Electrochemical reactions - Answer-reactions that involve an electric current process of oxidation and reduction electrochemical cell - Answer-a device that transforms chemical energy into electrical energy redox reaction occur two types of electrochemical cells spontaneous nonspontaneous -...

endocrine system - Answer-what acts a means of internal communication, coordinating the activities of the organ systems endocrine glands - Answer-__ __ synthesize and secrete chemical substances called hormones directly into the circulatory system exocrine glands - Answer-_ _ secrete substance...

G1 phase - Answer-The first phase of growth S phase - Answer-DNA is replicated Prophase - Answer-first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible Metaphase - Answer-Chromosomes line up in the middle of the cell ...