Life Science-1
The Scientist who concluded all plant tissues are made up of cells.
Who is Mathias Schleiden?
In symbiosis, one species obtains food or other benefits from the other without either harming or benefiting the latter.
What is Commensalism?
Movement of molecules from high to low concentration without added energy.
What is diffusion?
shape of a DNA molecule
double helix
RNA Base Pairings spelled out..
Adenine & Uracil, Cytosine & Guanine
In our diets, lipids appear as...
What are fats, lipids, and oils?
To have two of the same allele.
What is Homozygous?
O2 +C6H12O6 → CO2 + H2O + ATP
What is Cellular Respiration?
Number of chromosomes in each human cell
46
The structure of ATP.
What are 3 Phosphates, 1 Ribose Sugar, & 1 Adenine?
The glue that holds an ecosystem together is known as...
What is a keystone species?
Where photosynthesis takes place in a plant cell
what is the chloroplast?
Which cells are produced by meiosis?
sperm and egg
Number of daughter cells at the end of meiosis
What are 2?
Black fur in guinea pigs is dominant over white fur. Find the probability of a white offspring in a cross: Bb x bb.
What is 50%?
Brown fur in rabbits is dominant over white fur. Find the probability of a hybrid offspring in the cross: BB x Bb.
What is 50%?
What are "All organisms are composed of cells, Cells are the basic unit of life, & All cells result from the division of previously existing, living cells?"
group of simplest organisms without a nucleus
what are prokaryotes
The chromosomes line up down the middle of the cell plate during this phase of mitosis
metaphase
The levels of organization from smallest to largest
What are organism, population, community, ecosystem, and biome?
The passing of traits from parents to their offsprings
What is heredity?
This is what you are called when you have two different alleles for a trait
What is heterozygous