Question 17 Osmosis is the movement of across a selectively permeable membrane. O sugars O oxygen O amino acids water

Question 36 Most eukaryotic RNA consists of coding regions, called and noncoding regions, called A introns; codons B introns; exons (c) codons; spliceons (D exons; introns

Question 27 Nematodes differ from annelids in that they are segmented. they are triploblastic. they have a coelom. they shed their external skeleton to grow.

Question 30 Nematodes (roundworms) O Are found in the soil O Are parasites of virtually every multicellular animal and plant Shed a non-stretchy cuticle in order to grow O All of the above O Lack (do not have) a specialized system for the absorption or delivery of oxygen

Question 19 Bacteria can best be described as O unicellular, prokaryotic, autotrophic or heterotrophic organisms unicellular, eukaryotic, autotrophic or heterotrophic organisms multicellular, eukaryotic, heterotrophic organisms O multicellular, prokaryotic, autotrophic organisms

Question 64 The software program "foldit", which allows you to design your own molecules, is an example of an: in vivo assay O in vitro assay O in silico assay

Question 38 Which of the following are components of all cells? plasma membrane ribosomes O DNA O All of these are components of all cells Question 39

QUESTION 20 You are studying the effects of removing integrins from cells. Which of the following abilities is the cell most likely to lose?   A The cells are going to lose their ability to make connections with the ECM.   B The cells will lose their ability to secrete growth factors.   C The cells are going to lose their ability to form cell-cell adhesions.   D The cells are going to lose their ability to communicate with the cytoskeleton.

question 24  DNA is a hereditary molecular that is composed of A Deoxyribose,phosphate, and nitrogen bases B Deoxyribose,a pentose, and nucleic acids C Sugar,proteins and thymine D Adenine, phosphate, and ribose

Question 24 The glucose transporter in erythrocytes is named GLUT1. The transport system is an example of A symporters ion channels OB. active transport OC. facilitated diffusion