Hox genes - Study guides, Revision notes & Summaries

Which of the following terms or structures is properly associated only with animals? a. tissues b. clustered Hox genes c. autotrophy d. sexual reproduction e. cell wall - ANSWER b. clustered Hox genes Cephalization is primarily associated with... a. adaptation to dark environments b. method of reproduction c. fate of blastopore

mollusca body plan shared features -foot: mass of muscle tissue used for movement and/or manipulation -visceral mass: clump that contains most of the organs -mantle: tissue that drapes over the organ clump and secretes the shell in shelled members 4 characteristics shared by all animals -eukaryotic- membrane bound nucleus and organelles -multicellular -heterotrophic- consumes food to get energy -have tissues that develop from embryonic layers (germ layers) germ layer formation step 1 spe...

Bio 112 Exam Martin Ball State Questions and Answers Already Passed mollusca body plan shared features -foot: mass of muscle tissue used for movement and/or manipulation -visceral mass: clump that contains most of the organs -mantle: tissue that drapes over the organ clump and secretes the shell in shelled members 4 characteristics shared by all animals -eukaryotic- membrane bound nucleus and organelles -multicellular -heterotrophic- consumes food to get energy -have tissues...

BIO 172 UH Manoa Exam 2 Latest Update Graded A+ Animals Multicellular eukaryotes Heterotrophs: Ingest their food Lack Cell Walls Body held together by structural proteins Collagen Make up connective tissues (fibers) Flexible and high tensile (stretching) Skin Dense irregular arrangement of collagen Ligament Collagen arranged in sheets (Connects Bones) Tendon Cable-like arrangement of collagen (Connects muscle to bone) Zygote Fertilized egg (Sperm+Egg=Zygote) Undergoe...

BIO 182 Exam 4 review What are some common characteristics of animals? - CORRECT ANSWER-multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - CORRECT ANSWER-gametic What are the likely ancestors of animals? - CORRECT ANSWER-chaonoflagellates protists What are 3 major features to classify animals? - CORRECT ANSWER-1. presence or absense of different tissue types 2. type of body symmetry 3. specific features ...

A species may coevolve with a number of species. It may interact with one species for generations. When the intensity of the conflict becomes impractical, it shifts to another species as a coevolutionary partner until their conflict forces it to switch partners again. What term is used to describe this pattern? A. coevolutionary arms race B. coevolutionary alternation C. reciprocal coevolution D. alternation of generations E. diversifying coevolution - ️️ANS B coevolutionary alter...

Biology 172 UH MANOA Exam 2 Latest Version Already Passed Animal qualities 1. 2. 3. 4. ? (Multicellular eukaryotes, heterotrophs, cells lack cell walls, bodies held together by structural proteins-collagen) What is Collagen? 1. 2. 3. 4. (Most abundant protein in animal bodies, flexible, high tensile strength and elastic resistance) Skin vs Ligament vs Tendon arrangement of collagen? 1skin- dense irregular. 2. Ligament- sheets. 3. Tendon- cable-like Germ layers give rise to 1 2?...

Ectoderm doesn't move through the __________ or __________ ANSWER: 1) blastopore (frogs and fishes) or 2) primitive streak (birds and humans) Sensory organs all begin in the head as... ANSWER: placode - thickenings of surface ectoderm what are 4 types of cell interactions? ANSWER: 1) Internal/mechanical 2) Juxtacrine signaling 3) Paracrine signaling 4) Endocrine signaling Note: these are arranged in order of closest interaction to longest distance interaction The 6 word key to ...

BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) What are some common characteristics of animals? - ANSWER - multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - ANSWER - gametic What are the likely ancestors of animals? - ANSWER - chaonoflagellates protists What are 3 major features to classify animals...

1. Which of the following statements about the gene eyeless is true? a. It encodes a transcription factor. b. It is found in Drosophila. c. Pax6 is the equivalent gene in mice. d. All of the above e. None of the above Answer: d Textbook Reference: 20.0 The eyes have it Page: 426 Bloom’s Category: 1. Remembering 2. Flies have eyes, while mammals have eyes. a. cameralike; compound b. cameralike; binocular c. compound; cameralike d. compound; heterochronic e. simple; compound An...