HESI BIOLOGY | Questions and Answers with complete solution

What is the magnification of an ocular lens on a microscope? - 10X What part of the microscope is the slide going to be placed on? - Stage All humans have how many pairs of chromosomes? - 23 What holds the genetic code for each person? - DNA What is DNA made of? - nucleotides The plasma membrane is made of how many phospholipid layers? - 2 (Bilayer) How is oxygen transported through blood or body? - circulatory system The mRNA strand is what to DNA strand? - Identical except U is where T was How many chromosomes do sperm and eggs produce in meosis? - 23 How many chromosomes do sperm and eggs produce in mitosis? - 46 What helps the cells shape and cell to adapt? - Cytoskeleton What gives the cell the ability to move and propel? - microtubules The plasma membrane is made of what? - lipids, proteins, and carbohydratesWhat organelle is responsible for protein synthesis and membrane production? - Endoplasmic reticulum (ROUGH ER) What organelle is responsible for packaging, processing, and shipping? - Golgi Apparatus What is the uptake of food through the cell membrane creating food vacuole? - Phagocytosis