Select the choice that identifies the organism described in the following statement: The organism is heterotrophic, single celled, and a eukaryote.   Question 22 options:   a)  An amoeba   b)  Archaea   c)  Hydra   d)  Bacteria

Question 14 Secondary protein structure occurs due to: a) hydrogen bonding b) ionic bonding c) covalent bonding d) hydrophobic interactions e) all of the above Question 15 A substance binds to a receptor on the cell membrane. Several moments later the substance can be found inside a vesicle inside the cell. This is an example of: a) exocytosis b) phagocytosis c) pinocytosis d) receptor-mediated endocytosis e) regulated secretion Question 16 ( Why is olive oil a liquid and lard a solid at room temperature? A) atoms of the lard are held together by ionic bonds B) olive oil is unsaturated, while lard is a saturated fat C) some of the carbon bonds in lard are double bonds D) oil has more non-polar bonds

For the following questions referring to cell types and structures, please use the image below for reference. Questions that refer to Cell #1, Cell #2, or Cell #3 are indicating that you should look at the following image to help answer the question. Cell #1 Cell #2 Cell #3 Cell membrane Nucleus - Nucleus DNA Cell Wall Cell Wall Mitochondrion : Cll Mitochondrion membrane Cll Chloroplast membrane

Can you please solve number 3 and 4 and show all of the steps and say the correct letter

Answer the following question briefly but concisely ( picture below)