Unanswered Biology Questions

Organisms without nucleus and cell organelles belong to (i) fungi (ii) protista (iii) cyanobacteria (iv) archaebacteria (a) (i) and (ii) (b) (iii) and (iv) (c) (i) and (iv) (d) (ii) and (iii) ...

what is the main function of varnalin???? ...

What are some examples of human cells that produce proteins for exportation? ...

Are cardiac muscles striated? ...

The lungs are enclosed by a double-layered membrane which is called a) Pleura b) Bronchi c) Pericardium d) None of the above ...

Viruses are made of a) Lipoprotein b) Glycosides c) Nucleoprotein d) Lipids ...

Which of the following receives oxygenated blood from the lungs? a) Right atrium b) Left atrium c) Right ventricle d) Left ventricle ...

In a cell with 4 chromosomes, how many sister chromatids are visible during telophase? a) 0 b) 8 c) 4 d) 16 ...

The property of being able to perceive changes in the environment and react is a) Organization b) Spontaneity c) Sensitivity d) Homeostasis ...

Which of the following matches is incorrect? a) Organelle Function Presence (a) Ribosome secretion of enzymes plant and animal cell b) (b) Mitochondria site of respiration animal cell only c) (c) Chloroplast storage of cell s ...