biology flashcarde

Front

The bond present between two strands of DNA is

Back

Hydrogen bonds hold the two strands of DNA together, allowing for the double helix structure.

Front

Ribosomes are sites of

Back

Protein synthesis occurs at ribosomes, where amino acids are assembled into proteins.

Front

Evolutionary convergence is characterised by

Back

Development of similar characteristics in different groups of organisms of different ancestry.

Front

The Cell term was given by-

Back

Robert Hooke first coined the term 'cell' in the 17th century.

Front

...................is power house cell.

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is the function of chloroplasts?

Back

Chloroplasts are responsible for photosynthesis, converting sunlight into chemical energy.

Front

Define osmosis.

Back

Osmosis is the movement of water molecules through a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts, speeding up chemical reactions without being consumed in the process.

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the structure of a nucleotide?

Back

A nucleotide consists of a phosphate group, a sugar molecule, and a nitrogenous base.