Cells
Genetics
Body Systems
Ecology
Random Trivia
100

This organelle is responsible for producing energy through cellular respiration.

Mitochondria

100

Which base pairs with A in DNA

T

100

Pulling your hand away from a hot stove is an example of the nervous system and the _________ system working together.

muscle

100

A flow with arrows showing the movement of energy through various trophic levels

Food Chain/Food Web

100

These are the products of photosynthesis

Glucose and Oxygen

200

Which organelle is responsible for photosynthesis?

Chloroplast

200

The base Uracil is only found in______.

RNA
200

Which system is responsible for delivering oxygen and removing carbon dioxide from the body?

Circulatory 

200

The amount of energy lost as metabolic heat through each trophic level.

90%

200

The site of protein synthesis.

Ribosome

300

What happens in metaphase (of mitosis).

Chromatids line up in the middle of the cell.

300

The process where homologous chromosomes lined up trade genetic information during meiosis

Crossing Over

300

What type of cells make up the nervous sytem

Neurons

300
Producers who create their own food through photosynthesis

autotrophs

300

Eukaryotic cells have organelles that are protected by phospholipid _________

membranes

400

How many chromosomes do humans have?

46

400

How many base pairs are in each mRNA codon?

3

400

Contractions during childbirth are an example of a (positive or negative) feedback loop?

Positive

400

A group of the same type of organisms living and reproducing in a given area is a ______.

population

400

What is the source of energy for most life on earth (excluding chemosynthetic organisms that use deep sea vent minerals to survive)?

The sun

500

What is the process that creates four haploid gametes?

meiosis

500

In genetics, genes activitied by the conditions of the environment make up:

Epigenetics

500

In a negitive feedback loop, the pancreas secretes this hormone to return blood sugar to normal levels.  People with diabetes sometimes have to take a manufactured version of this hormone.

Insulin

500

The removal of a predator from a food chain will cause the prey population to increase until this is reached where the environment can no longer support them.

Carrying capacity

500

The theory that eukaryotic cells developed from engulfing simple prokaryotic cells many years ago is called the:

Endosymbiotic Theory