Bio 1201 Bundled Exams All Versions 2024/2025 with complete solutions

the units of heredity and are made up of segments of DNA - Answer-genes how many chromosomes do humans have in the nucleus of their somatic cells? - Answer-46 chromosomes (23 pairs) the two chromosomes in each pair are called... - Answer-homologous chromosomes/homologs each pair of homologous ch...

Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above - Answer-C Compared to 40^K, the isotope 39^K has a. a ...

Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes? A)facilitated diffusion of molecules down their concentration gradients B)active transport of molecules against their concentration gradients C)maintaining the integrity of fluid m...

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bou...

Which four elements make up 90% of life? - Answer-C, H, N, O Does DNA have uracil or thymine? - Answer-Thymine What is a macromolecule? - Answer-Molecule made up of polymers What are the complementary base pairs in DNA - Answer-A-T, G-C Which of the following are not pyrimidines? T, C, U, A, G ...

plasma membrane - The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus - active in synthesis, modificati...

Hypothesis - a small statement that you can test Theory - broader in scope than a hypothesis and can lead to a new testable hypothesis; supported by a large body of evidence in comparison to a hypothesis Deductive - Testing what you think is true; Design, Test, Conclusion Inductive - making obse...

why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adj...

A substance that cannot be broken down into other substances by ordinary chemical procedures is a(n) _____. - Answer-element Organisms are largely composed of __ elements. - Answer-11 About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up a...

Matter consists of chemical elements in pure form and in combinations called ______________. - Answer-Compounds ______________ consists of chemical elements in pure form and in combinations called compounds. - Answer-Matter Matter consists of ________________ in pure form and in combinations cal...