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Which structures perform the function of mitochondria in bacteria?

(A)

Nucleoid

(B)

Ribosomes

(C)

Cell wall

(D)

Mesosomes

NEET - Medical UG-2014 Hard

Answer & Solution:

answer-d    mesosomes

Mesomes are the structures which develop from the cell memebrane of the bacteria and perfoem the role of mitochondria apart from this the primitive DNA in bacteria is the nucleoid while ribosomes is used in protein synthesis 

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Other Questions of the same topic

Q1:

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

(A)

Microtubules

(B)

Microfilaments 

(C)

Intermediate filaments

(D)

Lam ins

NEET - Medical UG-2014 Hard

Q2:

Match the following and select the correct answer:

(a) Centriole                       (i) lnfoldings in mitochondria
(b) Chlorophyll                   (ii) Thylakoids
(c) Cristae                         (iii) Nucleic acids
(d) Ribozymes                  (iv) Basal body cilia or flagella

(A)

a -> iv    b -> ii    c -> i   d -> iii

(B)

a -> i    b -> ii    c -> iv   d -> iii

(C)

a -> i    b -> iii    c -> ii   d -> iv

(D)

a -> iv    b -> iii    c -> i   d -> ii

NEET - Medical UG-2014 Medium

Q3:

Assertion (A): The “Fluid Mosaic model” proposed by Singer and Nicolson indicated that the quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer.

Reason (R): In the cell wall of a young plant cell, the primary wall is capable of growth, which gradually diminishes as the cell matures and the secondary wall is formed on the inner side of the cell.

Which of the following is true?

(A)

Both (A) and (R) are true and (R) is the correct explanation of (A) 

(B)

Both (A) and (R) are true, but (R) is not the correct explanation of (A) 

(C)

(A) is true, but (R) is false 

(D)

(A) is false, but (R) is true

TS EAMCET-2018 Easy

Q4:

In the given diagram I and II indicate

(A)

Chromomere and chromonemata 

(B)

Centromere and secondary constriction 

(C)

Secondary constriction and satellite 

(D)

Telomere and satellite

MHT-CET-2015 Hard

Chemistry Physics

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