Question | Answer |
During embryonic development, cells _______. | increase in number and differentiate |
The large organelle in a plant cell that stores water is ______ | vacuole |
The cell membrane is found in ________ | all cells |
job of cell membrane | controls what enters and leaves the cell |
3 environmental causes of DNA mutations | radiation, high temperatures, and chemicals |
the number of organisms that an environment can support | carrying capacity |
asexual reproduction produces offspring that are __________ to the parents | identical |
what does a food chain represent? | feeding relationships |
cellular respiration occurs here | mitochondria |
a chromosome map displaying number, type, and size of chromosomes for an individual | karyotype |
How many chromosomes does a human sex cell have? | 23 |
Proteins are made by | ribosomes |
What process produces sex cells? | meiosis |
What phase comes before the start of mitosis or meiosis? | Interphase |
How many haploid cells does mitosis produce? | 4 |
what is the result of fertilization? | zygote |
DNA codes for | proteins |
What type of solution causes water to enter and leave the cell? | isotonic solution |
a relationship where both individuals benefit | mutualism |
the nucleus contains | DNA |
DNA controls the cell through the production of | proteins |
transport that requires energy in the form of ATP | active transport |
the type of solution that causes a cell to swell | hypotonic solution |
a limiting factor that is alive | biotic |
body cells are produced by | mitosis |
somatic cells are produced by | mitosis |
a solution that causes a cell to shrink | hypertonic solution |
jelly--like filling inside a cell | cytoplasm |
what does the cytoplasm do for a cell? | supports and allows chemical reactions to take place |
mitosis produces cells that are __________ to the parent cell | identical |
somatic cells result from mitosis, gametes result from | meiosis |
what are the products of photosynthesis? | oxygen and sugar |
what are the reactants of photosynthesis? | carbon dioxide, light, and water. |
sexual reproduction involves _______ individuals | two |
Cellular respiration produces | carbon dioxide and water |
Bacterial cells | lack a true nucleus |
A relationship where one individual benefits and the other is harmed | parasitism |
movement of particles from High to low concentration is | diffusion |
Cross Tt with Tt. What is the probability of a short individual? | 25% |
Meiosis reduces the __________ number by 1/2 in sex cells | chromosomes |
what compound is a place for chemical reactions to occur? | water |
what compound buffers the body temperature? | water |
Restoring the number of chromosomes when sex cells fuse is called? | fertilization |
if 2n = 16 the gamete from that species has ___ chromosomes | 8 |
the cell wall is found in | plant and bacterial cells |
what is the function of the cell wall | support |
DNA mutations may affect | the development of the organism |
What is the genotype of the following: Aa | heterozygous |
a chromosome is made of | DNA |
what is the diffusion of water? | osmosis |
What is the genotype of the following: aa | homozygous recessive |
selectively permeable describes which cell organelle? | cell membrane |
sexual reproduction produces offspring that is ________ from the parents? | genetically different |
DNA is a polymer made of four kinds of | nitrogenous bases |
what two structures do plant cells have that animal cells do not? | cell wall and chloroplast |
a relationship where one individual benefits and the other is not affected | commensalism |
asexual reproduction only involves how many parents? | one |
cellular respiration uses oxygen and | sugar |
DNA codes fro protein that is expressed as | traits |
a human cell contains 22 chromosomes and a Y chromosome. what kind of cell is this? | sperm |
If we increase light intensity then photosynthesis would occur | faster |
What is the process that restores the diploid number of chromosomes? | fertilization |