In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to

TLS Online TPP Program

#Question id: 40514

#Environmental Science

Which statements correctly describe protobionts?

1. Membrane-like structure

2. Pre-cellular organization

3. Fully functional cells

4. Chemical aggregation

TLS Online TPP Program

#Question id: 40515

#Environmental Science

Match the taxonomist with their contribution

Column I	Column II
A. Linnaeus	1. Phylogenetic classification
B. Whittaker	2. Binomial nomenclature
C. Hennig	3. Five kingdom classification
D. Mayr	4. Biological species concept

TLS Online TPP Program

#Question id: 40516

#Environmental Science

Match the taxonomic category with example

Column I	Column II
A. Family	1. Felidae
B. Order	2. Carnivora
C. Class	3. Mammalia
D. Genus	4. Panthera

TLS Online TPP Program

#Question id: 40517

#Environmental Science

 Match systematics tools

Column I	Column II
A. Numerical taxonomy	1. DNA comparison
B. Cytotaxonomy	2. Chromosome analysis
C. Chemotaxonomy	3. Metabolite study
D. Molecular taxonomy	4. Statistical similarity

TLS Online TPP Program

#Question id: 40518

#Environmental Science

Which statements are true about taxonomic hierarchy?

1.Kingdom is highest rank

2.Genus contains related species

3.Family includes multiple genera

4.Species is broadest rank

TLS Online TPP Program

#Question id: 40519

#Environmental Science

Identify correct statements about species concept:

1.Biological species concept uses reproductive isolation

2.Morphological species concept relies on appearance

3.All species concepts give identical results

4.Species are evolutionary units