Bio 150 a questions and and answers already passed 2024

Bio 150: cell structure and organelles
questions with complete solution (4 pgs)
nucleus - correct answer ✔contains the genes in a eukaryotic cells


nuclear envelope - correct answer ✔thin phospholipid membrane
surrounding the nucleus; separates the nucleus from the cytoplasm; has
nuclear pores regulating entry of proteins and RNA and macromolecules
into/out of the nucleus


nuclear lamina - correct answer ✔proteins on the inside of the nuclear
envelope that support the envelope/nucleus


chromosomes - correct answer ✔structures that carry the DNA, and make up
chromatin


nucleolus - correct answer ✔where ribosomal RNA (rRNA) is synthesized
from DNA; proteins combine with rRNA and form ribosomes and then leave
through nuclear pores


ribosome - correct answer ✔made of rRNA and proteins; carry out protein
synthesis; a lot of these in the pancreas; free and bound versions (bound
version makes proteins to be inserted into membranes)


endomembrane system - correct answer ✔system including nuclear
envelope, endoplasmic reticulum, Golgi apparatus, lysosomes, vesicles,
vacuoles, and the plasma membrane


vesicles - correct answer ✔sacs of membrane used to transport materials
through the cell