Zygote Study guides, Class notes & Summaries

Textbook Readings Chapter _ 32 Animal Diversity Animals are multicellular, heterotrophic eukaryotes with tissues that develop from embryonic layers Animals are a diverse monophyletic group with 34 major animal phyla About 1.3 million species of animals living Three characteristics define the entire group 1. Mode of nutrition 2. Cell structure and specialization 3. Reproduction and development Nutritional Monde Animals are heterotrophs They cannot construct all their own or...

1. In both bryophytes and vascular plants, meiosis occurs in the dominant or most conspicuous phase of the life cycle. a) true b) false CORRECT ANSWER b In the life cycles of mosses and ferns, which of the structures are diploid? Select all that apply. a) sporophyte b) gametophyte c) zygote d) sperm e) eggs CORRECT ANSWER a, c Diploid (2n) cells in the _____ of mosses, ferns, gymnosperms, and angiosperms divide meiotically and form haploid (1n) spores. a) sporangium b) gonad...

Bio 172 Animals Exam Questions With Verified Solutions **Which characteristic(s) is (are) unique to animals?** A) Structural carbohydrate, chitin B) Nervous and muscular tissue C) Heterotrophy D) Gametes ** Answer: B) Nervous and muscular tissue** **What feature do all deuterostomes share?** A) Adults exhibit bilateral symmetry B) Embryos develop pharyngeal pouches that may or may not form gill slits C) All possess a spinal column D) The blastopore formed during gastrulatio...

Test Bank for Genetics A Conceptual Approach, 7th Edition Benjamin Pierce Test Bank for Chapter 2: Chromosomes and Cellular Reproduction Multiple-Choice Questions 1. Which of the following statements is false? a. Errors in chromosome separation are rarely a problem for an organism. b. Errors in chromosome separation can result in a miscarriage. c. Errors in chromosome separation can result in cancer. d. Errors in chromosome separation can result in a child with severe handicaps. e. Erro...

produce progesterone and bhCG in very early pregnancy. These cells develop into the chorionic villi of the placenta - Trophoblastic cells Which of the following ovarian tumors contains both epithelial and stromal components? A: serous cystadenoma B: thecoma C: cystadenofibroma D: mucinous cystadenoma - C in a first trimester fetus this is defined as a single ventricle, fused thalami, with an absent corpus collosum. - Alobar holoprosencephaly portion of the peritoneum connecting anterio...

Bio 172 Exam 1 Questions and Answers Already Passed **Describe the events in a sexual cycle and explain its significance.** **Events:** - Formation of haploid gametes (1n). - Fertilization (syngamy) of gametes. - Formation of a diploid zygote (2n). - Recombination occurs during gamete formation. **Significance:** The sexual cycle leads to genetic variation through recombination, ensuring species adaptability and survival. **Identify the first supergroup.** **First Supergro...

SCI 225 Midterm Exam practice questions with complete solutions | Latest 2023/2024 The nurse is caring for a patient with a genetic disease that is transmitted through autosomal recessive inheritance. Which is the most likely diagnosis? -- Cystic Fibrosis Adaptive cellular mechanisms function to: -- protect cells from injury If a patient liquefactive necrosis, which organ should the nurse asses first? -- Brain The nurse in the genetics clinic is describing a genetic disease that leads to pr...

BIO 172 UH Manoa Exam 2 Questions and Answers 100% Pass **What are animals characterized by?** **Animals:** Multicellular eukaryotes that are heterotrophic, lacking cell walls, and having bodies held together by structural proteins like collagen. **What is the function of collagen in animals?** **Collagen:** It makes up connective tissues, providing flexibility, high tensile strength, and elasticity. **Differentiate between skin, ligament, and tendon based on collagen arrangeme...

Prenatal Developmental Exam Study Guide with Complete Solutions germinal period - Correct Answer the period of prenatal development that takes place in the first 2 weeks after conception The span between conception and birth usually lasts 38 to______weeks. - Correct Answer 40 Prenatal development is divided into what three periods? - Correct Answer fetal germinal embryonic The fertilized egg is called the ______. - Correct Answer zygote In the germinal period, the zygote undergoe...

ANSC 3040 Final Questions With Complete Solution 2024 What characterizes an Ootid to go to a Zygote and what is this process called Correct Answer: fusion of the two nuclei to one. called Syngamy What characterizes the change from a Zygote to a 2 cell embryo Correct Answer: the one cell embryo will undergo cleavage and become a 2 cell What are 7 stages of early embryonic development Correct Answer: 1. Ootid 2. Zygote 3. 2-cell embryo 4. Morula 5. Early blastocyst 6. Hatching Blast...