Ib biology Study guides, Class notes & Summaries

IB Biology Topic 2: Molecular Biology Exam Questions and Answers (Latest Update 2023) Verified Answer

genotype - ️️the alleles of an organism phenotype - ️️the characteristic of an organism dominant allele - ️️an allele that has the same effect on the phenotype when present in both homozygous and heterozygous states co-dominant alleles - ️️pair of alleles that both affect the phenotype when present in a heterozygote recessive alleles - ️️an allele that only has an effect on the phenotype when in homologous state locus - ️️the particular position on homologo...

IB Biology Midterm Study guide Exam Questions With 100% Correct Answers 1. Which are examples of homologous structures? A. The wings of bats and butterflies B. The fins of fish and whales C. The hindlimbs of frogs and grasshoppers D. The forelimbs of primates and penguins - answerD. The forelimbs of primates and penguins 2. Which is an example of natural selection? A. A giraffe stretching its neck to reach higher leaves B. A juvenile bird learning to sing C. Development of antibiotic ...

IB BIOLOGY - HUMAN PHYSIOLOGY question and correct answer rated A+ 2023What is injection? - correct answer Ingestion is eating food What is Digestion? - correct answer Passage of smaller molecules from the digestive What is Absorption? - correct answer Passage of smaller molecules from the digestive system into the bloodstream or lymphatic system What is transport? - correct answer The delivery of small molecules to tissues by the circulatory system What is the alimentary canal? - co...

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IB Biology HL Exam Questions With Complete Solutions @ 2023...

What are the three main parts of the cell theory? What are some possible exceptions? Practice Question - correct answer 1. All living things are composed of cells. 2. Cells are the smallest unit of life 3. Cells come from pre-existing cells Exceptions: Viruses: living or not? and amoeba What are the basic functions of life? What organisms carry out these functions? - correct answer Metabolism, response, homeostasis, growth, reproduction and nutrition. Unicellular organisms W...

IB Biology Review Exam Topic 2: Molecular Biology Actual Exam Questions Answered Correctly LATEST

Which structures is found in all prokaryotic cells? - correct answer Ribosomes, Plasmid, Pili. (some only have Flagellum & Cell Wall) Features found in most plant and animal cells? - correct answer cytoplasm, mitochondria, ribosomes Size of the diameter for most cells is..? - correct answer 10 m to 100 m functions of a membrane protein? - correct answer Enzymatic activity, Channels, Cell-to-cell recognition, cell-structure, hormone binding sites. Why is the genetic code descr...

cell theory - ️️- all living things are composed of cells - the cell is the smallest unit of life - cells only arise from pre-existing cells challenges to the cell theory - ️️- *striated muscle* challenges the idea that a cell has one nucleus - *giant algae* challenges the idea that cells must be simple in structure & small in size - *aseptate fungal hyphae* challenges the idea that a cell is a single unit functions of life - ️️- metabolism - response - homeostasis - gro...