Name the structure which is used to transfer macromolecules between the cytoplasm and nucleus.a) Microtubulesb) Nuclear poresc) Ciliad) Centrioles

Which of the following is a function performed by the cytoskeleton?a)     provides structural support that determines cell shape and resists deforming forcesb)     positions various organelles within the cell interiorc)     provides a network of tracks over which materials like mRNA and organelles move within cellsd)     serves as a force-generating apparatus that moves cells from one place to anothere)     all of these choices

1a) Which protein of the flagella is located in the cytoplasmic/cell membrane? b) What organelle is defined as a house of energy for the cell? c) Which part of phospholipid layer is hydrophobic in cell membrane? d) Name where flagella can be found? e) Which organelle shares its membrane with the nucleus membrane?

The inner nuclear membrane contains a) None of these choices are accurate b) proteins including chaperonins and translocon c) integral membrane proteins including emerin, the lamin B receptor (LBR), and the SUN proteins d) peripheral membrane proteins including KASH and SUN

1) Which type of animal junction is associated with linking the cytoplasm of cells and exchange of ions nutrients and other small molecules? A)gap junction B)anchoring junction C)tight junction D)plasmodesmata   2) Match the organelle to the function (smooth endoplasmic reticulum, lysosomes, vacuoles, chloroplasts) A) synthesizes lipids and detoxifies drugs and poisons. B)contains hydrolytic enzymes that are used for recycling.  C) This is the site of photosynthesis in eukaryotic cells. D) Plants use this organelle to degrade and recycle molecules.

Which of the following distinguishes osmosis from simple diffusion?  a) a concentration gradient  b) a solute  c) a selectively permeable membrane  d) water molecules

Organelles which destroy food particles that come into the cell. a) lysosomes b) rough ER c) mitochondria  d) Golgi apparatus

Which of the following were once bacteria? (select all that apply)  a) mitochondria b) chloroplasts c) nuclei d) golgi apparatus e) endoplasmic reticulum

All eukaryotes contain A) a membrane-enclosed nucleus. B) mitochondria. C) hydrogenosomes. D) a nucleus, mitochondria, and hydrogenosomes.

Which is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasm