Ecology S1 Final Exam

Front

What are the Input and Output molecules of cellular respiration?

Back

Input: Glucose and Oxygen; Output: Carbon Dioxide and Water.

Front

What separates the inside of the cell from the outside and controls what goes in and out?

Back

Cell membrane.

Front

True or False: DNA replication occurs during the mitotic phase of the cell cycle.

Back

False.

Front

What is codominance in genetics?

Back

Codominance occurs when both alleles in a heterozygous organism are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive.

Front

Transcribe the DNA strand ACG-TCG-ATA into RNA.

Back

RNA: UGC-AGC-UAU.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are the powerhouse of the cell, responsible for producing ATP through cellular respiration.

Front

Define photosynthesis.

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, productivity, and stability, allowing ecosystems to adapt to changes.

Front

What is the function of the cell wall in plant cells?

Back

The cell wall provides structural support and protection to plant cells.