Molecular Biology
Cell Stuff
Genes
Humans
Ecology
100

DNA stands for this.

Deoxyribonucleic Acid

100

This organelle is known as the “powerhouse of the cell”

What is the mitochondrion?

100

Genes are found on these structures in the nucleus.

What are chromosomes?

100

These blood cells carry oxygen through the bloodstream.

What are RBCs?


100

A group of the same species living in the same area is called this

What is a population?

200

DNA is made of these 3 components

What are a sugar, phosphate and nitrogenous base?

200

Diffusion moves molecules from areas of ___ concentration to ___ concentration

What is high to low?

200

This molecule carries genetic information in cells.

What is DNA?

200

Myo- means.

What is muscle?

200

Organisms that make their own food, like plants, are called this

What are producers/autotrophs?

300

Process when DNA is copied and divided into identical DNA in bacteria

What is binary fission?
300

Osmosis refers to the movement of this molecule

What is water?

300

Different versions of the same gene (like A or a) are called ____.

What are alleles?

300

This gland releases insulin to help regulate blood sugar levels.

What is the pancreas?

300

In a food web, energy transfer between trophic levels is typically around this percentage.

What is ~10%?

400

Process where DNA is divided in identical somatic cells 

What is mitosis?

400

Cells use this process to bring large materials into the cell by forming vesicles

What is endocytosis?

400

An organism’s physical traits (like eye color) are called this

What is phenotype?

400

The longer of the two intestines.

What is the small intestine?

400

A species whose impact on community structure is much greater than its abundance is called a ____.

What is a keystone species?

500

Organelle that reads mRNA to build proteins

What is the ribosome?

500

This type of transport requires energy because molecules move against the concentration gradient

What is active transport?

500

Different versions of the same gene (like A or a) are called ____

What are alleles?

500

What chemical messengers glands produce.

What are horomones?
500

When two species compete for the same niche, one is often eliminated. This principle is called the _____ exclusion.

What is competitive exclusion?