Consider a theoretical organism that utilizes silicon as its primary structural element instead of carbon. Assuming all other characteristics of life are present, which fundamental biological process would be MOST significantly challenged by this substitution?
Cellular respiration
Formation of complex, stable biomolecules
Active transport across membranes
Photosynthesis
Related Questions
Growth in living organisms is due to:
Increase in cell number and size
Accumulation of water
Synthesis of new protoplasm
Increase in non-living matter
Among the following choose the properties shown by the living organism exclusively?
I. growth
II. increase in mass
III. self-replication ability
IV. response to touch stimuli
I and II
II and IV
I and III
III and IV
Among the following which is a common phenomenon exhibited by living and non-living organisms to show the feature of growth?
Increase in mass
By cell division
Increase in replication rate
By cell differentiation
Reproduction is synonymous with growth in which of the following set of organisms?
Bacteria, unicellular algae and Amoeba
Bacteria, Amoeba and fungi
Unicellular algae and fungi
Unicellular algae and filamentous algae
Reproduction is synonymous with growth in which of the following set of organisms?
Bacteria, unicellular algae and Amoeba
Bacteria, Amoeba and fungi
Unicellular algae and fungi
Unicellular algae and filamentous algae
In majority of higher animals and plants reproduction and growth are
Mutually exclusive events
Simultaneous events
Dependent events
Identical events
A scientist discovers a novel entity exhibiting complex organic molecules, compartmentalization, and energy transformation. However, it lacks a definitive cellular structure and doesn't demonstrate heritability. Which characteristic of life is MOST definitively absent in this entity?
Metabolism
Reproduction and growth
Adaptation
Response to stimuli
Increase in body mass can be considered a criterion for growth
True
False
Sometimes True
Cannot be determined
Select the correct statement from the following statements
I. Increase in mass and increase in number of individuals are twin characteristics of growth
II. Metabolic reactions can also be demonstrated outside the body in isolated cell-free systems
III. โResponse to stimuliโ is a defining property of living organisms
I and II
II and III
I and III
I, II and III
Growth in living organism is from
Outside
Inside
Both 1 and 2
None of the above