Cells
DNA/RNA
Ecology
Body Systems
Enzymes
100
Which cells have chloroplasts?
Plant cells
100
Name all four nucleotide bases of DNA
Adenine (A), Cytosine (C), Guanine (G) and Thymine (T)
100
What are the types of symbiosis and what is the relationships between them?
mutualism-both benefit from each other.
Parasitism- one benefits and the other is harmed (parasite and host)
Commensalism- one benefits and the other isn't harmed
100
What does the digestive system do?
Takes food and breaks it down into nutrients.
100
Which enzyme unwinds the DNA during the process of replication?
Helicase
200
Which organelle is this and what is its job?
Its a Vacuole, and it stores waste.
200
Whats the major difference between DNA and RNA?
DNA is a double-stranded molecule and RNA is a single-stranded molecule. They also have different nitrogen bases.
200
Whats the different between niche and habitat?
Niche is the jobs of the organism and Habitat is the address of the organisms.
200
Name 5 body systems.
Digestive, nervous, integumentary, skeletal, muscular, respiratory, circulatory, execratory, immune,and reproductive
200
When does the enzyme primase do its job?
After the strands unwind and before RNA is created.
300
Which organelle generates most of the chemical energy needed to power the cells biochemical reactions?
Mitochondria
300
What does DNA and RNA stand for?
DNA:Deoxyribonucleic acid
RNA:Ribonucleic acid
300
You have corn, chicken, and a human. Which can be can be counted as a secondary and primary consumer?
A human
300
What is the nervous system responsible for?
Controls all body functions.
300
What prevents enzymes from functioning?
Disruptions in homeostasis
400
What type of cell division happens during asexual reproduction?
Mitosis
400
Name all types of RNA and what do each do?
mRNA- it sends messages to the ribosome
tRNA- it carries the amino acids to the ribosomes
rRNA- forms ribosomes along with proteins.
400
What are trophic levels?
The kind of food organisms eat.Ex- grasshopper eats grass
400
What is the integumentary system and what is its parts?
It's the first line of defense against disease. Also known as the skin system.
Its main parts are:
-skin, sweat glands, hair and nails.
400
What is a catalyst and what does it do?
They are substances that speed up chemical reactions (metabolism) and it lowers activation energy.
500
Which organelle is the largest in the cell and is a major sight of protein synthesis and transport?
Endoplasmic reticulum
500
How many pairs of chromosomes are in a nucleus?
23 pairs
500
What makes a population at a steady state?
When the number of births equal the number of deaths.
500
What is the skeletal systems interactions with other systems?
It works with your muscular system to help you move.
500
Changes in ______ and ______ can break hydrogen bonds.
temperature and PH