Homologous structures Study guides, Class notes & Summaries

BIO 103 Final Study Guide (18, 23, 24, 25, 26) Questions and Answers 100% Pass What is a change that occurs in an organism over time to enhance its survival and reproductive success? An evolutionary adaptation. What causes similarities in characteristics between different species? Homoplasy, which is the result of convergent evolution rather than common descent. What allows a population to change over time? Natural selection. What are two geological processes common ...

BIO 101 nvcc final EXAM TEST QUESTIONS ANSWRED CORRECTLY & VERIFIED What is an adaptation? A.a genetic change over time B.an increase in reproductive success by certain individuals C.a trait that is heritable and confers reproductive success D.differential reproductive success of a particular individual E. B & D - ANSWER C.a trait that is heritable and confers reproductive success In a population of dogs, long ears are dominant over short ears. If 50 of 200 dogs in a population...

IB Biology Chapter 5 Questions and Answers Already Passed When does evolution occur It occurs when the heritable characteristics of a species change What shows that artificial selection can cause evolution selective breeding What are the evidence of evolution The fossil record, selective breeding, homologous structures, speciation, pattern of variation What is the mechanism of evolution Natural selection Analogous structures They are structures with difference in structure but...

Kinetochores - protein structures located on the centromeres that serve as attachment points for specific fibers of the spindle apparatus (kinetochore fibers) metastasis - distant spread of cancerous cells through the bloodstream or lymphatic systems Mitosis - 2 identical cells created from a single cell Cytokinesis - splitting of cytoplasm and organelles into 2 daughter cells Haploid (n) - cells that contain only 1 copy of each chromosome example-germ cells Diploid (2n) - contai...

Biology Praxis Questions and Answers with Verified Solutions Which of the following characteristics of a material found on the bark of a tree most likely prove that the material is a living thing? the material appears to reproduce on its own Given the DNA sequence 5' ATGCCCTCA 3', which of the following is the correct complementary sequence of messenger RNA? 3' UACGGGAGU 5' *RNA = uracil replaces thymine in DNA According to evolutionary theory, which of the following individ...

Loss-of-function mutations cause a gene to lose some or all of its normal function. Hypomorphic mutations those that have lost only some of their function. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:04 / 0:15 Full screen Brainpower Read More Null mutations have lost all of their function. haploinsufficient a single copy is sufficient to produce the wild-type phenotype in the heterozygous genotype codominance both alleles f...

BIO 117 Exam 1 Questions and Answers Already Passed What is an adaptation? a trait that improves the fitness of its bearer, compared with individuals without the trait How can biological fitness be estimated? Count the number of healthy, fertile offspring produced by different individuals in a population. All of the following are true for natural selection EXCEPT: - Variation exists in populations (all individuals are NOT the same). -Characteristics acquired by individuals over the cours...

BIO 101 nvcc final EXAM TEST QUESTIONS ANSWRED CORRECTLY & VERIFIED What is an adaptation? A.a genetic change over time B.an increase in reproductive success by certain individuals C.a trait that is heritable and confers reproductive success D.differential reproductive success of a particular individual E. B & D - ANSWER C.a trait that is heritable and confers reproductive success In a population of dogs, long ears are dominant over short ears. If 50 of 200 dogs in a population...

WGU Biochemistry OA (Latest 2022/2023) Verified Answers Bohr Effect chart (low pH) C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Sequence of amino acids that make up a protein Secondary Structure Sequence of amino acids fold. Tertiary Structure -more folding in a 3D shape. -R groups (side chains) Quaternary Structure Protein has more than 1 polypeptide chain. Chemical reaction -absorb and release en...

Biology 1406 final exam practice questions and answers already passed What is not a part of the Cell Theory The molecules within a cell are alive the process that converts DNA to mRNA Transcription The process that converts mRNA to protein Translation The four cells produced in meiosis will have a n number of chromosomes and will differ genetically from each other what are the reactants of photosynthesis Carbon Dioxide, water and sunlight which scientists influenced Darwin by...