A
Pieces of DNA that carry all the information passed from parents to their offspring.
What are genes?
Organelles, found only in plant cells, in which sugar is made during photosynthesis.
What are chloroplasts?
The control center of a cell that directs the cell's activities.
What is the nucleus?
Describes a stronger trait that will show up in an organism even if only one factor is present.
What is dominant?
A structure that contains at least two types of tissue that work together to perform a specific function.
What is an organ?
Describes a weaker trait that will show up in an organism only if no factor for the dominant trait is present.
What is recessive?
The chemical that provides detailed instruction for cells.
What is DNA
Type of reproduction in which a sperm cell and an egg cell unite to form a single cell.
What is sexual reproduction?
An instrument that allows you to look closely at objects that are invisible to the human eye, including cells.
What is a microscope?
Hooke's microscope allowed him to see things _______ larger. a. 30x (30 times) larger b. 10x (10 times) larger c. 20x (10 times) larger
What is a. 30x (30 times) larger?
The strength a living thing gains from absorbing nutrients.
What is energy?
In 1675 Anton van Leeuwenhoek built a microscope that magnified objects this many times.
What is 300x (300 times) larger?
________________ has cells.
What is every living organism (or everything living thing)?
Cells are the _____________ __________ of all living things.
What are building blocks?
All life processes take place in ___________.
What are cells?
New cells are produced from these.
What are existing cells?
These are structures that perform specific functions.
What are organelles?
This clear, jelly-like substance surrounds the organelles.
What is cytoplasm?
This process makes food for plants.
What is photosynthesis?
These organelles store nutrients and wastes. Both plant and animal cells have them.
What are vacuoles?