Fall Biology Semester Exam

In homeostasis, what is an effector?

• an organ or cell that acts in response to a stimulus

• a receptor that detects stimulus

• how the body remains stable & steady

• a chemical messenger mostly manufactured by the endocrine glands

What are the products of photosynthesis?

• Oxygen, Glucose

• Carbon dioxide, water

• Water, Sunlight

• Oxygen, Water

A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level?

• Effector

• Positive feedback loop

• hormone

• homeostasis

In Biology, what are some topics we learned?

• Photosynthesis

• Cells in animals and plants

• the Characteristics of Life

• all of the above

What is an Energy-requiring process that moves material across a cell membrane?

• Active transport

• Diffusion

• Passive transport

• Protein channels

What type of cell contains a nucleus?

• eukaryotic cells

• prokaryotic cells

• mitochondria

• ribosomes

What monomer is protein made off?

• amino acids

• DNA

• cells

• mRNA

What is the movement of substances across a cell membrane without the use of energy by the cell?

• Passive transport

• homeostasis

• osmosis

• diffusion

The diffusion of water in cells...

• osmosis

• active transport

• passive transport

• transport

Vacuole -

• cell organelle that stores materials such as water, salts, proteins, & carbohydrates

• cell organelle filled with enzymes needed to break down certain materials in the cell

• a jellylike fluid inside the cell in which the organelles are suspended

• a system of membranes that modifies and packages proteins for export by the cell