TLS Online TPP Program

#Question id: 521


The conversion of pyruvate to ethanol also causes the ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. oxidation of NADH

  2. production of ADP

  3. consumption of O2

  4. generation of an ion gradient across mitochondrial membranes

More Questions
TLS Online TPP Program

#Question id: 13120

#Unit 2. Cellular Organization

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


TLS Online TPP Program

#Question id: 13119

#Unit 2. Cellular Organization

Ions, small metabolites, and globular proteins up to about ---------- can diffuse passively through the central aqueous region of the nuclear pore complex.

TLS Online TPP Program

#Question id: 2059

#Unit 2. Cellular Organization

For a protein to be an integral membrane protein, it would have to be:

TLS Online TPP Program

#Question id: 2060

#Unit 2. Cellular Organization

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

TLS Online TPP Program

#Question id: 2061

#Unit 2. Cellular Organization

Which of the following types of molecules are hydrophilic and therefore excluded from the hydrophobic portion of the phospholipid bilayer?

TLS Online TPP Program

#Question id: 2063

#Unit 2. Cellular Organization

In what way do the membranes of a eukaryotic cell vary?