Biology Questions

Question 5 Match the columns regarding proteins Monomers Peptide bonds Functions How many amino acids are there Choose Choose Structure and transport 20 Energy and energy storage Amino acids Bond made between two amino groups of the amino acids

Complete the table that compares DNA to RNA BASES TYPE OF SUGAR FUNCTION LEAVES THE NUCLEUS Answer 1 A T C G Answer 2 A U C G Answer 3 Deoxyribose sugar DNA AA T C G BDeoxyribose sugar CCodes for proteins DNo RNA EA U C G FRibose sugar GCarries information for lipid synthesis HYes

Match the Monomers Types Main components of the cell membrane A glycerol and two fatty acids is called a not applicable triglycerides phospholipi phospholipids phospholipids

Use the following chemical reaction to match the two columns HR H N C 7 1 H 0 0 H Type of reaction R represents H Z N C C 0 0 H Red area of the product shows RH COOH of the reactant H HR N HIN H C N C Peptide bond 0 0 carbonyl group Dehydration reaction carboxyl group O 0 RH O H H O H

Connect the information from the two columns regarding carbohydrates Monomers Functions Starch Cellulose Question 3 What type of lipid is shown Choose Choose Complex carbohydrate produced by plants for storage Monosaccharides Source of energy Polysaccharides Complex carbohydrates oduced by animals for storage Complex carbohydrate produced by plants for structure 0 5 pts

When genes on a particular chromosome do not assort independently in genetic crosses the genes are recombinants wild type O linked O homozygous alleles

Red green color blindness is a sex linked recessive trait in humans Two people with normal color vision have a color blind son What are the genotypes of the parents XNXn and XNy XNXN and XNy XX and XY XNX and XY

The locations for three genes have been added to this cartoon For clarity the locations have only been noted on one chromatid The lowest frequency of crossovers would occur between genes A and B A and C 12 3 4 A B XX C B and C

The sex chromosomes carry genes for traits that have nothing to do with the sex of the organism in addition to those genes that determine sex True False

An individual with the genotype X Y will produce which of the following gametes Select all that apply X Y Xr

17 In this example crossing over could occur between 1 and 2 2 and 3 1 2 3 4 XX O3 and 4

SRY is best described as an autosomal gene that is required for the expression of genes on the Y chromosome a gene present on the X chromosome that triggers female development an autosomal gene that is required for the expression of genes on the X chromosome gene reg

And please be sure to ask any questions you may have D Question 1 The XIST gene is only found in biological females causes the development of male sexual characteristiscs causes the development of female sexual characteristics

pH 8 0 10 5 pH 3 5 6 8 pH 2 5 3 5 OpH 0 2 9 Pobe What is its optimal growth pH

If you have an unknown culture that contains two different bacterial species typically found in the environment what media would you choose first for your first transfer from the TSB OTSA plate O Selective media plate OEZ media plate Enriched media plate

Which of the following are halotolerant bacteria Micrococci spp Bacillus cereus Staphylococcus aureus

Which of the following names applies to microbes living at temperatures below 0 degrees and up to 15 degrees Celsius O Psychrotrophs O Mesophiles OPsychrophiles Themophiles

The process of in prokaryotes is a form of reproduction known as

Why are frameshift mutations considered more impactful on the final protein product than most point mutations There may be more than one answer A frameshift mutation causes downstream changes to the amino acid sequence that typically results in a nonfunctional protein Some point mutations are silent so the final protien product would be the same although the nucleotide sequence is altered O A point mutation besides nonsense generally changes one amino acid in the sequence O None of the above

Geneticists have found that a particular SNP located in the second intron of the Hemoglobin gene is associated with sickle cell disease in an African population Indeed this SNP shows a higher frequency 68 in the population Geneticists also found that this SNP did not cause any amino acid change in the hemoglobin gene What is the most likely reason why this SNP is associated with a disease but not causing any functional change in the hemoglobin gene O This SNP is affected by genetic drift This SNP was found by an statistical error in the 68 of the population This SNP is linked to another mutation that is responsible of the disease O None of the above

When going from DNA to protein an incorrect amino acid is assembled from the RNA transcript What step is this happening in Replication O Transcription O Translation O Alternative splicing Question 4 20 pts Geneticists have found that a particular in th OND

5A 5B Write the complimentary base pairs for the following DNA strand TGG CAC CGA GGT

A student places a potato cube into a beaker of distilled water as shown below Distilled water The potato cube has a up of 0 2 bar and a of 0 4 bar Water potential p s p pressure potential solute potential Assuming standard atmospheric pressure which of the following is true Choose 1 answer Potato cube A The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 6 bar The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 2 bar The water potential of the potato cube is 0 6 bar and the water potential of the distilled water is 0 bar The water potential of the potato cube is 0 2 bar and the water potential of the distilled water is 0 bar

Yes Yes No atton Key Write three questions to complete this classification key Yes Does this animal have wings No Yes No Do I belong in the water Yes No No

Experiments on 1 starch were set up under different conditions Test tube L Starch amylase Starch boiled amylase Test tube N Starch hydrochloric acid amylase 37 C After 15 minutes each sample was tested with iodine solution and Benedict s solution Create a table to show the expected results in each test tube for both iodine solution an Benedicts Solution Test tube M a b Name the process which occurred in Test tube L but not in Test tubes M and N What role do enzymes play during digestion d 1 Describe how you would test a solution for the presence of proteins Explain why proteins are important in the human diet Describe the function of hydrochloric acid and pepsin in the stomach c 37 C e 37 C

b d Identify the muscle labeled g e g h Identify the muscle labeled g k m n O

Quadriceps femoris muscle group is which type of muscle A B C A Submit Request Answer B

Drag the labels to the appropriate location in the figure Linea alba Rectus sheath Rectus abdominis Internal oblique Transversus abdominis External oblique II

11 Linea alba Rectus sheath Rectus abdominis Internal oblique Transversus abdominis External oblique I III

Quadriceps femoris muscle group is which type of muscle A A B B C

Quadriceps femoris muscle group is which type of muscle O O O B A C B C

Each of the following is a general characteristic of Anthocerophyta except O photoautotrophy Ochlorophylls a and b O cellulose cell wall O being eukaryotic All of these are general characteristic of Anthocerophyta Question 18 In seed plants these tissues surround the megasporangium and contribute to the seed coat Integuments Megaspore O None of these apply O Spore wall O Female gametophyte Question 19 In Pinue the female gametonbyte dovolone within the wall of the mon id is neusich

Integuments O Megaspore O None of these apply O Spore wall O Female gametophyte Question 19 In Pinus the female gametophyte develops within the wall of the megaspore and is nourished by the megasporangium

True False Question 2 All land plants exhibit alternation of generations O True False Question 3 Which statement is true O None of these apply O Ephedra is an angiosperm O Most contemporary land plants are not flowering plants Gnetum is a gymnosperm

Monilophyta have a dominant gametophyte small and inconspicuous sporophyte and swimming sperm O True O False

D O Fern O Fern and Polytrichum O Polytrichum O Equisetum O None of these apply Question 16 If a fern prothallus is bisexual then it has antheridia and archegonia combined into a single sex organ O True False Question 17 Each of the following is a general characteristic of Anthocerophyta except O photoautotrophy O chlorophylls a and b O cellulose cell wall heine eukaryotic

D Ferns have reduced dependent photosynthetic and free living gametophytes True False Question 43 Polytrichum has a reduced sporophyte dependent on the gametophyte for nutrition O True False Question 44 Seed plants have reduced usually microscopic gametophytes dependent on the surrouding sporophyte tissue for nutrition True O False Question 45

D True False Question 30 Our only native cycad in Florida is O None of these apply O Zamia integrifolia O Zamia pumila O Zamia furfuracea Question 31 To what group does Ephedra viridis belong O Ginkgophyta O Coniferophyta O Cycadophyta

O True O False Question 47 The protonema is diploid True False Question 48 Selaginella has microspores and megaspores O True False

O Stigma None of these apply O Filament Anther Ovule Question 36 Whisk ferns with no roots and dichotomously branching stems are evolutionarily ancient descendants of anatomically simple ar O True O False Question 37 Ginkgo biloba is a seedless vascular plant monocot

O True O False Question 33 Which statement is true None of these apply Megasporangia in ovules produce megaspores Pistils did not evolve from a seed bearing leaf that became rolled into a tube Equisetum has calcareous crystals embedded in the stems Sori are clusters of diploid cells Question 34 plants and green algae Gemmae are associated with what genus

O False Question 14 Pollen tubes are sporophyte structures True False Question 15 In which of the following does the sporophyte depend on the gametophyte for nutrition Fern Fern and Polytrichum O Polytrichum O Equisetum O None of these apply

Fruit O Pistils These are all characteristic of angiosperms O Double fertilization O Heterospory Question 27 Gametophytes of Lycopodium are photosynthetic and are nourished by symbiotic fungi True False Question 28 sperms except Which grows directly from a germinating spore O None of these apply Protonema

O False Question 24 Which statement is false All of these statements are true Bryophytes have lignified vascular tissue O Bryophytes have a dominant gametophyte generation Waxy cuticles on leaves are secondary products O In Equisetum photosynthesis takes place in the stem Question 25 Some Lycophytes are epiphytes O True

D In Pinus the microgametophyte gives rise to the sperm Omegasporangiate cone O egg O pollen cone O adult tree Question 8 In higher plants the sporophyte is the O haploid organism O embryo sac O diploid organism O gamete producing stage O pollen Question 9 The fruit is produced by a O female gametophyte O female sporophyte

O True O False Question 21 What two genera of green algae are the closest living relatives of land plants Chara and Zygnema Coleochaete and Ulva O Spirogyra and Zygnema O Coleochaete and Zygnema O None of these apply Question 22 What dispersal mechanism does Marchantia use to disperse spores O Peristome teeth O Gemmae O None of these apply T

Which seedless vascular plant is heterosporous O Psilotum nudum Equisetum O None of these apply Selaginella O Lycopodium Question 5 The scale of a megasporangiate cone is produced by a O female gametophyte O male gametophyte O None of these apply female sporophyte male sporophyte Question 6

The seed coat of a spruce nut is produced by a O None of these apply Omegagametophyte O male sporophyte O microgametophyte O female sporophyte Question 11 The egg cell in the embryo sac is produced by the O None of these apply O male sporophyte Omegagametophyte O microgametophyte O female sporophyte Question 12

13 Differentiate what makes a scientific theory

12 Demonstrate how to formulate and test a hypothesis