biology lab quiz A+ Writers | apluswriters.net

biology lab quiz A+ Writers | apluswriters.net

I have a 10 questions Biology quiz and these are the questions, I need them to be correctly solved:

Question 1: When do chromosomes form tetrads and undergo homologues recombination(crossing over)?

a)Prophase

b)Interphase

c)Prophase1

d)prophase2

Question 2: when measuring enzyme activity, how did you know if an enzymatic reaction took place?

a) the reaction produced carbon dioxide

b) the reaction immediately turned yellow

c) you saw oxygen become depleted

d) when the reaction was placed in stop solution it turned yellow

Question 3:During Mitosis…

a) you start with one diploid cell and end up with 2 diploid cells

b)you start with one diploid cell and end up with 2 haploid cells

c) you start with 1 diploid cell and end up with 4 haploid cells

d)you start with 1 diploid cell and end up with 4 diploid cells

Question 4: Which of the following results genetically diverse cells:

a) no answer text provided

b) meiosis

c) mitosis

question 5: What happened to red blood cells when placed into a hypotonic solution?

a) they lysed because water flowed into them

b) they crenated because water flowed into them

c) they lysed because water flow out of them

d) they crenated because water flow out of them

Question 6: Meiosis..

a) you start with 1 diploid cell and end up with 4 diploid cells

b) you start with 1 diploid cell and end up with 2 haploid cells

c) you start with 1 diploid cell and end up with 2 diploids cells

d) starts with 1 diploid cell and result in 4 haploid cells

Question 7: What defines a haploid cell:

a) genetically identical to parent cell

b) no answer text provided

c) homologous pairs are not present

d) homologous pairs are present

Question 8: The physical splitting of eukaryotic cells is called:

a) cytokinesis

b) telophase

c) Binary fission

d) duplication

Question 9: How was the enzymatic reaction carried out by cellobiase monitored:

a) depletion of product

b) formation of substrate

c) depletion of reactant(substrate)

d) formation of product

Question 10: starch was placed into dialysis bag. then the dialysis bag was placed into a beaker containing water, the water contained I2K1. why did the starch pass through the dialysis bag?

a) glucose clogged the pores

b) it was too big to fit the pores in the bag

c) diffusion could not occur because starch is not charge

d) too much I2K1 on the outside applied too much osmotic pressure

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