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- 14. Some weed killers, insecticides, and food additives alter the DNA of certain cells. Because of this effect, these substances are known as 1) auxins 2) mutagens 3) meristems 4) autosomes 20. The genetic code of a DNA molecule is determined by a specific sequence of 1) ATP molecules 2) sugar molecules 3) chemical bonds 4) molecular bases 21. What determines the kind of genes an organism possesses? 1) type of amino acids in the cells of the organism 2) sequence of the subunits A, T, C, and G in the DNA of the organism 3) size of simple sugar molecules in the organs of the organism 4) shape of the protein molecules in the organelles of the organismWhat do you mean by lysogenic life cycle?Please ASAP. Thank you. The endosymbiosis theory states that the DNA in chloroplasts and mitochondria of eukaryotic cells is derived from Bacteria. True False
- 162 Chapter 14 In genetics a single set of chromosomes is symbolized by the letter "n." Any cell that has only one set of chromosomes is termed haploid. Haploid means that the cell has one of each kind of chromosome. The set concept will be used throughout the rest of this lab, so the following questions were designed to aid you in understanding and recognizing sets. Remember that a set is a group of objects related in function and generally used together. 1. Pretend that the fingers of one hand represent chromosomes. (Count your thumb as a finger.) Hold up your hand. ? QUESTION a. How many fingers (chromosomes) do you have on one hand? b. Do you have different kinds of fingers on one hand? c. Do you have more than one of each kind of finger on one hand? set(s) d. Judging by the definition of a set, you have of fingers on one hand. 2. Pretend all the numbers within the circle represent chromosomes. 4 a. How many numbers are there? 2 b. Are there different kinds of numbers? c. Is there…6. Random Question.31. In the theory of endosymbiosis, the original host cell that engulfed and aerobically respiring bacteria, and a photosynthesizing bacteria is believed to be contain because these host cell candidates which are unique to cells. a. archaean; DNA; eukaryotic b. eukaryotic; ESPs; archacan c. prokaryotic; DNA; eukaryotic d. archaean; ESPs; eukaryotic e. prokaryotic; ESPs; archaean. law of thermodynamics states that the universe tends towards ; in order for
- 78. As you wait in line to check out at the grocery store, you notice a magazine with the following headline: "Viral diseases are no longer a danger to humans; vaccines protect people from all viral disease." (2.2) Ku A (a) Identify and describe the error in this headline. (b) Rewrite the headline so it is more accurate. 76 Chapter 2 • The Prokaryotes, Viruses, and Protists 58 Unupv. -15. What is the nucleoid or nuclear area? What do we mean by the term "genome"? How does it relate to the bacterial chromosome? What are plasmids? How do they relate to conjugation? How are plasmids useful to the bacterial organism? 16. What are endospores? Why are they important? How do they relate to the diseases: anthrax, tetanus, and botulism? What is the difference between a vegetative cell and an endospore?III. Frederick Griffith (Early 1930s) Frederick Griffith conducted an experiment using 2 different strains of the bacterium Streptococcus pneumoniae. As you can see in the diagram below, the S strain bacteria killed the mice and the R strain bacteria did not kill the mice. What is the difference in structure between the S and R strains? Why does the dead mouse contain living S strain when only dead S strain was injected? Watch this to help you understand: https://www.youtube.com/watch?v=NGOE-6y2YwQ EXPERIMENT Mixture of heat-killed S cells and living R cells Heat-killed Living S cells Living R cells (control) S cells (control) (control) RESULTS Mouse dies Mouse healthy Mouse healthy Mouse dies Living S cells S Strain = pathogenic/virulent R Strain = non pathogenic
- * (1) Biology Chapter 2 Sectic X * ning Gateway - üloglzall äzglX A Ims.moe.gov.ae/Dashboard#!/view/328891//1027748/Activities arks 国 Chargaff's Rule Review äiglho älimill JS - älimi 2 Chargaff's Rule states that adenine is paired with 1 and cytosine is paired with 0 سؤال تمت الإجابة عليه 2 أب Intro to Gen & Patt of Inher -Lesson 2 Genetic recomi ation and gene linkageuuY1. Discuss the Endosymbiotic theory. Do you think it is a strong explanation on how the eukaryotes emerged on earth? Justify your answer. (25 points) *Discussion of the theory: *Opinion (Do you think..)Describe a situation where hybrid reproduction would cause two species to fuse into one.