Sliding filament theory can be best explained as
When myofilaments slide pass each other actin filaments shorten while myosin filament does not shorten
Actin-myosin filaments shorten and slide pass each other
Actin and myosin filaments do not shorten, but rather slide pass each other
When myofilament slide passes each other myosin filament shorten while actin filament do not shorten.
B.
Actin-myosin filaments shorten and slide pass each other
According to sliding filament theory, during muscle contraction actin and myosin filaments shorter and slide pass each other.
Which one correctly describe reproduction and life cycle of fern?
Spore → Gamete → Prothallus → Sporophyte
Gamete → Spore → Prothallus → Plant
Prothallus → Sporophyte → Gamete → Fern
Sporangia → Spore → Prothallus → Sporophyte → Plant
Phellogen and phellem respectively denote
Cork and cork cambium
Cork cambium and cork
Secondary cortex and cork
Cork and secondary cortex
Post-mitotic gap phase is characterised by all, except
Synthesis of RNA and nucleotides
No change in DNA content
Synthesis of histone proteins
Growth phase of the hell
Match the following columns.
Column I | Column II | ||
A. | Pinocytosis | 1. | Euglena Gracillis |
B. | Hotozoic | 2. | Paramecium |
C. | Parasitic | 3. | Amoeba Proteus |
D. | Mixotrophic | 4. | Monocystis |
A | B | C | D |
3 | 2 | 4 | 1 |
A | B | C | D |
2 | 3 | 4 | 1 |
A | B | C | D |
4 | 3 | 1 | 2 |
A | B | C | D |
1 | 4 | 2 | 3 |
The chromosome in which centromere is situated close to one end are
Metacentric
Acrocentric
Telocentric
Sub-metacentric
Following are the two statements regarding the origin of life.
II is correct, but I is false
Both I and II are correct
Both I and II are false
I is correct, but II is false
Study the following statements and select the option with correct statements.
I and II
I and III
II and III
I, II and III
Select the correct combination of statements regarding Myasthenia gravis.
I, III, IV,V
I, III,V II
I, II, IV, V
II, III, IV, V