bio 100a survey of bioscience laboratory midterm

8/20/2019 BIO 100A Survey of Bioscience Laboratory Midterm

1/18

1. Question :

1.34 kg equals:

Student Answer: 1340 grams

0.00134 grams

2.7 grams

1.340 grams

Points Receied: 2.5 of 2.5

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Question2.

Question :

1" centimeters equals:

Student Answer: 1" millimeters

1." millimeters

1"0 millimeters

0.1" millimeters


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Question3.

Question :2 meters equals:

Student Answer: 2.00 #eet


2/18

100 #eet

10.0 #eet

$."$ #eet


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Question4.

Question :

" liters equals:

Student Answer: %.00 gallons

1.32 gallons

10 gallons

20 gallons

Points Receied: 1 of 1

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Question".

Question :

7"0 milliliters equals:

Student Answer: 0.7"0 liters

0.007" liters

7"0&000 liters

7." liters


3/18


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Question

$.

Question :

17 '! equals:

Student Answer: 34.$ '(

$2.$ '(

170 '(

17 '(


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Question7.

Question :

17 '( equals:

Student Answer: 17 '!

)34.1 '!

)%.3 '!

34 '!


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Question%.

Question :

1" km equals:


4/18

Student Answer: 1".1 miles

1." miles

31.% miles

*.3 miles


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Question

*.

Question :

Please matc+ t+e #ollowing cells,structures to t+eir corres-ondingsies.

Student Answer: : /ater molecule 4 : 0.27" nm

: e-atitis irus " : 0.04" um

: sc+eric+ia coli acterium 1 : 3 um

: itoc+ondrion 2 : 4 um

: Red lood cell 3 : % um


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Question10.

Question :

n5mes:

Student Answer: 6ncrease t+e rate o# c+emical reactions.

Are #ound in t+e cells o# organisms.

4

5

1

2

3


5/18

Are inoled in -rotein s5nt+esis

All o# t+e aoe.

one o# t+e aoe


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Question11.

Question :

/+en 5ou added +5drogen -ero8ide to -otato -ieces& 5ou osereduling. /+ic+ o# t+e #ollowing statements aout t+is reaction is(A9S

Student Answer: 5drogen -ero8ide is roken down to water and o85gen.

Potatoes contain t+e en5me catalase.

!atalase reaks down to o85gen& -roducing ules.

;+e +ig+er t+e actiit5 o# catalase& t+e more ules will e

osered.

5drogen -ero8ide contains 2 +5drogen and 2 o85gen atoms.

Points Receied: 0 of 2.5

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Question12.

Question :

;+e negatie control #or an e8-eriment is designed to contain all t+eelements o# t+e test e8ce-t t+e #actor to e tested.6# 5ou are intending to test t+e actiit5 o# catalase in lettuce atdi negatie control

Student Answer: lettuce& +5drogen -ero8ide


6/18

water& +5drogen -ero8ide

lettuce& water

water onl5


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Question13.

Question :

Pe-sin is an en5me t+at digests -roteins& #ound in t+e stomac+. ;+e- o# t+e stomac+ ?uice is er5 acidic. At w+at t+at range o# - would5ou e8-ect -e-sin to +as its +ig+est actiit5

Student Answer: 1)3

4)$

7)*

10)12

13)14


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Question14.

Question :

/+ic+ correctl5 ranks sustances #rom lowest to +ig+est -:

Student Answer: @istilled water& 9emon ?uice& leac+.

!o


7/18

Ammonia& @istilled water& 9emon ?uice.

Seawater& Binegar& @istilled water.


!omments:

Question1".

Question :

/+ic+ correctl5 ranks sustances #rom least acidic to most acidic:

Student Answer: leac+& @istilled water& atter5 acid.

atter5 acid& @istilled water& leac+.

Seawater& Ammonia& leac+.

!o


8/18

!omments:

Question17.

Question :

/+ic+ statement descries t+e di-loid condition:

Student Answer: ac+ c+romosome is com-osed o# nucleotides.

ac+ cell +as more t+an two c+romosomes.

ac+ c+romosome in a cell +as a corres-onding c+romosome.

A gene +as more t+an two alleles.


!omments:

Question1%.

Question :

An allele is:

Student Answer: A mutated cell.

Cne #orm o# a gene.

A c+romosome.

A s-erm or egg cell.

one o# t+e aoe


!omments:

Question1*.

Question :

6# 5ou are +omo5gous #or a certain gene& 5ou +ae:


9/18

Student Answer: ;+e same two alleles #or t+is gene.

;wo more c+romosomes t+an +etero5gous -eo-le.

;wo di


10/18

aa.

A.

AAA.


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Question22.

Question :

A -ersonDs -+enot5-e:

Student Answer: Re#ers to t+e s+a-e o# a c+romosome.

6s t+e nucleotide sequence at a -articular gene.

6s an oserale trait or #eature.

6s t+e numer o# c+romosomes in t+e nucleus.


!omments:

Question23.

Question :

A dominant allele:

Student Answer: !an e osered in t+e -+enot5-e o# +omo5gous indiiduals.

6s osered in t+e -+enot5-e o# +etero5gous indiiduals.

!an e -assed #rom mot+er to daug+ter.

All o# t+e aoe.


11/18


!omments:

Question

24.

Question :

A recessie allele:

Student Answer: 6s onl5 -assed #rom #at+er to son.

6s osered in t+e -+enot5-e o# +etero5gous indiiduals.

eer a


12/18

Question2$.

Question :

!5stic Frosis is a disorder de-ending on t+e mutated recessie allele#. Genot5-es (( and (# are +ealt+5& w+ile < +as c5stic Frosis. 6n t+ecase o# a (# #at+er and a (( mot+er& w+at is t+e -roailit5 t+at t+eirc+ild will +ae c5stic Frosis

Student Answer: 100H

7"H

"0H

2"H

0H


!omments:

Question27.

Question :

6n t+e case o# c5stic Frosis& ot+ (( and (# +ae a +ealt+5-+enot5-e& ut (# is called a carrier. /+at is true o# t+e -ossile

o


13/18

Question2%.

Question :

A t5-ical uncertaint5 in measuring t+e lengt+s o# Iat o?ects wit+ aruler is: =c+oose t+e est answer>

Student Answer: 1 inc+

1,2 inc+

1 cm

1 mm

.1 mm


!omments:

Question2*.

Question :

6# gasoline costs J2."0 -er gallon& t+en it will cost aout J KKKKK -erliter:

Student Answer: J10.00

J 2.00

J 0.$$

J 0.24


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Question30.

Question :

Cne #oot is aout KKKKK meters:


14/18

Student Answer: 0.3

1.0

3.0

100


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Question

31.

Question :

ost iological s5stems +ae a cellular organiation. Alt+oug+ cellscome in a wide ariet5 o# s+a-es& most tend to e etween

Student Answer: 20 ) 100 nanometers

1 ) " milimeters

1 ) "0 micrometers

.1 )." micrometers

200 ) 1&000 micrometers

6nstructor8-lanation:

See Birtual 9a 1 -art A.


!omments:

Question32.

Question :

!atalase acts on w+ic+ o# t+e #ollowing molecules =c+oose t+e estanswer>

Student Answer: 2C2


15/18

2C

C2

!C2

-

6nstructor8-lanation:

2 2C2 ))))))))))))L 2 2C M C2 ia catalase. See 9a 2


!omments:

Question33.

Question :

!ellular res-iration and -+otos5nt+esis are ot+ a -art o# KKKKKKKKKKKKK. =c+oose t+e est answer>

Student Answer: ;+e !aron c5cle

;+e !ell c5cle

;+e P+os-+ate c5cle

;+e Nres c5cle

one o# t+e aoe


!omments:

Question34.

Question :

/+ic+ o# t+e #ollowing statements aout @A is #alse

Student Answer: 6n eukar5otes& @A is enclosed inside t+e nucleus.


16/18

@A is a doule)stranded molecule.

@A +as a -ositie c+arge

;o release @A #rom t+e cell& two -+os-+oli-id memranes need

to e disru-ted.

;+e asic units o# @A are called nucleotides.


!omments:

Question3".

Question :

/+ic+ -rocess is common to aeroic and anaeroic res-iration=c+oose t+e est solution>

Student Answer: Nres c5cle

Gl5col5sis

t+anol #ermentation

lectron trans-ort c+ain


!omments:

Question3$.

Question :

/+ic+ o# t+e #ollowing materials would e most use#ul in dissoling acellular memrane =c+oose t+e est solution>

Student Answer: Sugar

!atalase


17/18

soa-

alleles


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Question37.

Question :

Gl5col5sis does not lead to t+e #ormation o#

Student Answer: -5ruate

A;P

!C2

C2


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Question3%.

Question :

lectro-+oresis sorts @A #ragments 5 t+eir

Student Answer: mitoc+ondria

dominance

cells

lengt+s



18/18

!omments:

Question3*.

Question :

An indiidual o# w+ic+ o# t+e #ollowing lood t5-es s+ould not receie

lood #rom an A) indiidual.

Student Answer: AM

A)

AM

A)

CM


!omments:

bio 100a survey of bioscience laboratory midterm

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