Free flashcards about bio 201 grade a

cohesion due to hydrogen bonds/surface tension,water less dense in solid form (ice) than liquid, due to changes in bonding angle of hydrogen bonds between water, water a good buffer bc of sep of h20 into h+ and oh+, water forms hydrogen bonds w electroneg

A variety of finch species within the Hawaiian islands have acquired different types of beaks needed for utilizing specific food resources. Infection trichomonas The process by which these different species of finches came about is likely to have involved

A group of molecular biologists is trying to synthesize a new artificial compound to mimic the effects of a known hormone that influences sexual behavior. Can you get trichomoniasis from kissing Which of the following compounds is most likely to mimic the effects of the hormone?

DNAase is an enzyme that catalyzes hydrolysis of the covalent bonds that join nucleotides together.

How does trichomoniasis start What would first happen to DNA molecules treated with DNAase?

They have a simpler structure relative to eukaryotes, they are relatively small compared with eukaryotes,they lack a membrane-bound nucleus, DNA is located within the cytosol

All of these…transport vesicles fuse with the cis side of the golgi and leave from the trans side, lipids proteins and soluble proteins in the membrane of the golgi may be sorted and modified as move from 1 side golgi to other

Cells of the liver will incorporate radioactively labeled amino acids into proteins. How long does it take to cure trichomoniasis This tagging of newly synthesizedp proteins enables a researcher to track their location. Can trichomoniasis be transmitted orally we r tracking enzyme secreted by liver cells. Other ways to get trichomoniasis what is most likely pathway

It became apparent to Watson and Crick after completion of the double-helix model of DNA that the DNA molecule could carry hereditary information in which of the following?

Cell surface molecules are labeled with a fluorescent tag and then a portion of them are bleached with a laser beam. Can you get trichomoniasis in the mouth What would one observe after the cell is incubated for a few minutes?

You are working on a team that is designing a new drug. How is trichomoniasis contracted In order for this drug to work, it must enter the cytoplasm of specific target cells. Ways to contract trichomoniasis Which of the following would be a factor that determines whether the molecule enters the cell?

lipid composition of the target cells’ plasma membrane lipid composition of the target cells’ plasma membrane similarity of the drug molecule to other molecules transported by the target cells

Caffeine is an inhibitor of the enzyme phosphodiesterase. Chlamydia trichomonas Therefore, the cells of a person who has recently consumed caffeinated coffee would have increased levels of

epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP → protein kinase A → protein kinase B. Trichomoniasis signs and symptoms Identify the second messenger in this pathway.

2 drugs A and B r designed to help reduce pain. How can you get trichomoniasis if no one cheats A acts by binding a membrane receptor in the pain signaling pathway. Trichomoniasis yeast infection Drug B acts by binding an intracellular receptor in the pain signaling pathway. Can you get trichomoniasis in your mouth Which drug will reduce pain more rapidly?

W puberty female body changes in body structure function organ systems, primarily under the influence of changing concentrations of estrogens and other steroid hormones. Can you get rid of trichomoniasis How can one signaling molecule, such as estrogen, mediate so many effects?

Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. How to get trichomoniasis The best way to detect the lack of photosystem II in these organisms would be

Taxol is anticancer drug from Pacific yew tree. Trichomoniasis rash In animal cells, taxol stops microtubule formation by binding to microtubules and accelerating their assembly from protein precursor, tubulin. How common is trichomoniasis This stops mitosis. How did i get trichomoniasis Taxol must affect which of the following?

At a specific area of a chromosome, the sequence of nucleotides below is present where the chain opens to form a replication fork: 3´- C C T A G G C T G C A A T C C – 5´

Polydactylism dominant trait results extra fingers toes in humans. Trichomoniasis in men symptoms Polydactyl man marries woman w 10 fingers toes. Can you get trichomoniasis from oral sex They have child that has normal # digits. What does trichomoniasis discharge look like Phenotype man’s father is unknown, but mother has normal phenotype. Trichomoniasis in the mouth What r genotypes of couple?

A cross between two pea plants produces a population of 732 purple and 268 white plants. How is trichomoniasis transmitted What is the genotype and phenotype of the parents that produced this population?

Male is heterozygous 4 trait produces freckles on the skin, and he has freckles. How do you contract trichomoniasis If he marries a woman who is also heterozygous for freckles, ______ percent of their children will be freckled and __________ percent of their children will be heterozygous.

The paternal and maternal chromosomes assort randomly during meiosis,Genes are transmitted from parent to offspring via chromosomes,Gametes are haploid and somatic cells are diploid,Somatic cells contain a maternal and paternal set of chromosomes

The probability of a couple having either a boy or a girl is ½. Trichomoniasis symptoms in females However, many families have more boys than girls and VICE VERSA. Trichomoniasis odor Why is the observed ratio of boys to girls in typical families different than the predicted ratio?

Two of the answers are correct. Ways to get trichomoniasis There is a large random sampling error due to the small size of human families and the sex of each child is determined independently.

A nearsighted woman (Nn) with hazel eyes (Hh) marries a man with normal vision and hazel eyes (Hh). Trichomoniasis how do you get it Their three children all have blue eyes and normal vision. How is trichomoniasis spread What is the probability that their next child will have blue eyes and be nearsighted?

In Thomas Hunt Morgan’s exp, ratio of red-eyed flies 2 white-eyed flies appeared 2 follow a simple Mendelian pattern of inheritance. Trichomoniasis male What observation(s) did M make that led 2 conclusion that the white-eyed trait was actually not a simple Mendelian trait?

# order most CORRECT 4 initiation,elongation steps 4 translation?(1) initiator tRNA binds start codon on mRNA(2) sml ribosom subunit binds 2 mRNA(3) lrg ribosom subunit binds(4) tRNA entry and peptidyl transf rxn (5) translocation of riboome,release tRNA

Gene S contrls sharpness spines n type cactus.Cact w dom allele, S, have sharp spines, whereas homozygous recessive ssgenotype cactuses have dull spines.Same time, 2nd gene, N, determ wheth cactus have spine at all.Homozygous recess nn cactuses -no spines

Gene S controls sharpness o spines ntype of cactus. Trichomoniasis diagnosis Cactuses w dom allele, S, have sharp spines, whereas homozygous recess same time, a second gene, N, determines whether cactuses have spine at all. Can you get trichomoniasis from oral Homozygous recessive nn cactuses have no spines.