Which type of cell contains a nucleus?
Eukaryotic or Prokaryotic
Eukaryotic
What are the two types of reproduction?
Sexual and asexual
What structure is DNA compacted into?
Chromosomes
What is it called when pollen is transferred to the egg? Therefor then producing seeds.
Pollination
How many chromosomes do humans have?
23 pairs/46 individual
Name one difference between plant and animal cells
Plants are more square; animals round
Plants have chloroplasts; animals don't
Plants have a large vacuole; animals don't
What is the key benefit of sexual reproduction?
Genetic Variation!
What 2 factors control traits?
Genes and the environment
Seeds are very often dispersed. We discussed 3 main ways dispersion happens. Name one.
How many amino acids are there?
20
There are many organelles in a cell, each with a specific function. List 3 organelles
Nucleus
Cytoplasm
Ribosome
Mitchondria
Endoplasmic Reticulum
Golgi body
Membrane/wall
vacuoule
There are 3-4 key advantages to reproducing asexually. Name 2.
Faster. More offspring are produced. Less time and energy are wasted. No need to find a mate.
What is the name of a protein that speeds up chemical reactions in our bodies?
enzymes
Define "courtship" and give an example.
Courtship are behavior attempts by animals to attract a mate
Dancing, singing, protecting, fighting, giving food, showing off
Who discovered and studied traits using pea plants?
Gregor Mendel
Has cells!
Reproduce
Energy
Homeostasis
Response
Grow/develop
We discussed several types of asexual reproduction. Name 1 of them and state an organism that uses that type.
Fission - bacteria
Budding - hydra
Cloning
Fragmentation - starfish
Vegetative propagation - strawberries
Spores - mushrooms
What is the term for the different forms of a gene?
example: eye color is the trait
Blue, green, brown are ____________
alleles
What is the organism called when scientists/breeders cross breed different species to get a desired trait?
ex: "sun gold" tomatoes bred for sweetness
Pomsky bred for cuteness
A liger - a lion and tiger
hybrid
There are 11 human body systems.
Name 4 of them
Digestive, muscular, skeletal, circulatory, respiratory, nervous, immune, endocrine, reproductive
What is the function of the mitochondria
convert food to energy/make energy
What is the new cell called when sperm fertilizes egg?
Zygote
Describe the function of RNA AND what 4 nucleotides does it contain? (saying the letters is fine)
RNA is a type of nucleic acid that uses DNA's code to make a protein.
It has A, U, C, G
Name an organism (not bacteria) that is usually sexual, but can also be asexual (when the environment better suits it)
Komodo dragons
Mollusk
Walking stick
Starfish
Sponges
Planaria
What 3 letters are always the start codon for making a protein?
OR what amino acid does it code for?
AUG
Methionine