How many head domains are present in myosin I?

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#Question id: 31303

#Unit 5. Developmental Biology

In birds, primitive groove is homologous to the:

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#Question id: 2948

#Unit 2. Cellular Organization

A cell that is entering the M phase of the cell cycle is:

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#Question id: 18783

#Unit 13. Methods in Biology

Sensitivity of various immunoassays are given match them correctly

Assay	Sensitivity∗ (g antibody/ml)
a) Mancini radial immunodiffusion	i) 2
b) Ouchterlony double immunodiffusion	ii) 20–200
c) Immunoelectrophoresis	iii) 20–200
d) Rocket electrophoresis	iv) 10–50

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#Question id: 34091

#Unit 3. Fundamental Processes

DnaA has intrinsic ATPase activity that hydrolyzes ATP to ADP and thus inactivates itself when the initiation stage ends. This ATPase activity is stimulated by 

A. Membrane phospholipids which helps in ATP hydrolysis

B. dsDNA which is substrate for DnaA

C. Membrane phospholipids which provide ATP in exchange of ADP

D. ssDNA which is created in first step

Which of the following is correct combination

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#Question id: 12420

#Unit 10. Ecological Principles

Given the following information, determine whether the number of females in the population is increasing, decreasing, or remaining the same. Of 1000 individuals in age group 0–1 none reproduce and 500 survive to age group 1–2. One-half of those in age group 1–2 survive to age group 2–3. 125 individuals survive to age group 3–4. In age group 3–4 there is an average of 1 female birth per female. In each age group, with the exception of the 0–1 age group, there is an average of 1 female birth per female.