What determines if the cell is eukaryotic?
Nucleus
what gas is the most abundant gas in the atmosphere?
nitrogen
IS CHILD BIRTH AN EXAMPLE OF A POSITIVE
OR A NEGATIVE FEEDBACK LOOP?
Negative
what are all living things are made of ?
carbon
what are the 3 states of matter
solid liquid gas
Write the corresponding DNA replication GAA CTA CGA
CTT GAT GCT
who believed that the long necks of giraffes evolved as generations of giraffes reached for ever higher leaves.
Lamarck
what do humans breath in?
Oxygen
What do humans breath out?
carbon dioxide
name 3 steps in the water cycle
1. evaporation
condensation
precipitation
WHY DON'T YOU LOOK EXACTLY LIKE YOUR BROTHER OR SISTER?
COPIES OF GENES CAN BE DIFFERENT, BECAUSE PARENTS PASS ONE OF THEIR 2 COPIES TO THEIR OFFSPRING
which animal or animals eat the oryz?
caracal and lion
who is the father of evolution?
charles darwin
WHICH PART OF A PLANT CELL SYNTHESIZES SUGAR THROUGH PHOTOSYNTHESIS?
CHLOROPLAST
Brown eye color (B) is dominant over blue eye color (b). What are the phenotypes of these genotypes?
A. BB _________ B. bb _________ C. Bb ________
A. BROWN
B.BLUE
C. BROWN
WHAT USES GENETIC INFORMATION CONTAINED IN A STRAND OF mRNA TO CREATE SPECIFIC PROTEINS OR PEPTIDE CHAINS?
RIBOSOMES
Describe the modeled cell division
formation of gametes through meiosis
The hip bones of a dolphin and the tailbone of a
human are examples of vestigial structures. This means they share a common _________
Ancestor
what is the central dogma of biology?
DNA-RNA-protein-traits
WHAT IS THE FUNCTION OF A VACCINE?(WHAT DOES IT DO)
A VACCINE EXPOSES A PERSON TO A WEAKENED VERSION OF A PATHOGEN, TO PRODUCE ANTIBODIES THAT PROTECT AGAINST FUTURE INFECTIONS
WHERE DO YOU GET YOUR DNA FROM?
MOTHER, AND FATHER
What would cause a decrease in population of the hearing gull in this ecosystem
decrease in shrimp
otters eat hearing gull eggs
Rick's has a homozygous widows peak (WW). His wife has a recessive trait (ww).If Rick cheats on his wife with sarah who has (WW) What is the probability that their offspring will have widows peak?
DARWIN FINCHES LIVE IN THE SAME HABITAT, AS POPULATION SIZES CHANGE(INCREASING AND DECREASING) WHAT IS MOST LIKELY THE CAUSE OF THESE CHANGES?
CHANGES IN THE SIZE OF AVAILABLE FOOD
MARK IS A CARRIER OF SICKLE CELL WITH A GENOTYPE OF Cc. HIS WIFE MARIA IS ALSO A CARRIER OF THE TRAIT WITH A GENOTYPE Cc. WHAT IS THE PROBABILITY THAT MARK AND MARIA'S CHILD WILL HAVE SICKLE CELL
25 PERCENT