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TLS Online TPP Program

#Question id: 13120

Match the correct one?

Target organelle

 

Location of sequence within protein

 

Removal of sequence

 

Nature of sequence

 

1- ER

 

i- N- terminal

 

a- yes

P- Core of 6-12 hydrophobic aa often preceded by one or

more basic ammo acids (Arg, Lys)

 

2-Mtochrondria matrix

 

ii- N- terminal

b- yes

Q- Multiple different kinds;  rich in Lys and Arg

residues

3-Chloroplast stroma

 

iii- N- terminal

c- no

R- Lys and arg one side and other side hydrophobic aa

4-Nucleus

 

iv-varies

d- yes

S- Generally rich in ser and thr, poor in glu and asp

#Unit 2. Cellular Organization
  1. 1-i-d-P, 2-iii-a-R, 3-ii-b-S, 4-     iv-c-Q
  2. 1-ii-a-Q, 2-i-d-P, 3-iii-c-R,4-iv-b-S
  3.  1-iii-c-P, 2-i-d-S, 3-ii-b-R, 4-iv-a-Q
  4. 1-iv-b-R, 2-i-d-p, 3-ii-a-S, 4-iv-c-Q
More Questions
TLS Online TPP Program

#Question id: 29045

#Unit 10. Ecological Principles

Surface Temperatures Reflect the Difference between__
TLS Online TPP Program

#Question id: 29046

#Unit 10. Ecological Principles

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?
TLS Online TPP Program

#Question id: 29047

#Unit 10. Ecological Principles

Homeotherms regulate body temperature by__
a) remain body temp constant
b) Equal the ratio of heat in and heat out
c) Heat in involve convection and conduction 
d) Heat out involve metabolism and solar radiation
TLS Online TPP Program

#Question id: 29048

#Unit 10. Ecological Principles

Many organisms minimize heat loss to the environment via___
TLS Online TPP Program

#Question id: 29049

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;
a. some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins
b. Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point
c. Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold
d. Sodium, potassium or urea function as anti freezing in their blood
e. Glycine causes supercooling in plants
Which of the following statements about supercooling/anti freezing is correct?
TLS Online TPP Program

#Question id: 29050

#Unit 10. Ecological Principles

Which of the following cells can withstand temperatures down to–38°C?