Biology Questions

Use the photo below to answer the following questions Glycine gly Alanine ala H H H H N H H H H H OH H What type of bond is used to link these monomers together What type of monomers are being linked in this reaction H What type of reaction is used to link monomers together What type of reaction is used to N H N CH3 CH3 Choose Choose Choose Choose l OH OH H O

The atomic number of an atom is defined as O Arrangement of neutrons in the atomic nucleus total number of electrons and neutrons total number of energy levels O number of protrons in the atomic nucleus

What is the mole fraction of water in a 68 0 by mass aqueous nitric acid solution 0 622 0 378 0 736

Viruses are living because they reproduce grow move and contain genetic material True False

17 0 1 02 0 3 16 4 15 N 2 14 13 11 3 12 Which of the areas in the diagram would be affected by otitis media an infection of the middle ear 10 5 8

Type AB blood has both A and B antigens on the red cells has no antigens on the red cells has both A and B antibodies on the red cells O has O antigens on the red cells

Which is the correct organizational hierarchy of life from largest to smallest group Biosphere Community Population Tissue Organ Cell Atom Molecule Ecosystem Community Population Organism Tissue Cell Molecule Atom O Community Ecosystem Population Tissue Organ Cell Organelle Atom Ecosystem Population Community Organ System Organ Cell Molecule

Which of the following are properties of life Highly ordered structure Made of cells Reproduces sexually Responds to the environment Requires sunlight Uses energy and matter

A feather remains suspended on water due to water s O ability to be a good solvent O surface tension created by cohesion O ability to regulate temperature O ability to stick to surfaces by adhesion

O a The aqueous humor is located in which region on the eye picture above Ob O C CB Od D

What type of chemical reaction results in the breakdown of organic polymers into their monomers O condensation Ohydrolysis O oxidation O ionization

Enzymes are reusable They do not change unless they are denatured by temperature pH or ion concentrations O True O False

Which of the following blood types could NOT belong to the child of a mother who has type A blood and a father who has type B blood O A OB O AB all are possible

If a substance has a pH of 6 it is O acidic O basic O has equal concentrations of H and OH ions O none of the above

The acidification of Earth s oceans is due to the absorption of which chemical O Methane CH4 O Hydrochloric acid HCI O Carbon dioxide CO2 O Oxygen 02

Triglycerides are made up of O 3 glycerols and 3 fatty acids O 2 fatty acids and 1 carboxyl acid O 1 glycerol and 2 phospholipids O 3 fatty acids and 1 glycerol

If the body has lost blood what hormone should be released O EPO O FSH OLH Prolactin O Leptin

Activation energy is increased when using an enzyme O True O False

What is the name of the central location for your program Learning Resources aved

According to the endosymbiotic theory of the origin of eukaryotic cells how did chloroplasts originate O from the nuclear envelope folding outward and forming mitochondrial membranes O through secondary endosymbiosis O from infoldings of the plasma membrane coupled with mutations of genes for oxygen using metabolism through primary endosymbiosis by tertiary endosymbiosis

Question 10 The typical prokaryotic flagellum features O a 9 2 pattern of microtubules stators a basal body embedded in the plasma membrane and cell wall the plasma membrane Check all that could apply

This portion of the bacterial flagellum allows for the diffusion of protons down their concentration gradient O the hook O the rotor the filament the basal body the stator

Question 3 Which genera have members that undergo conjugation in order to acquire genetic variability O Paramecium O Entamoeba O Giardia O Trypanosoma

Match the description to the fungus You may use these terms more than once 2 points members of this phylum can produce spores through two kinds of sporangia one of which is known as a conidium this phylum contains organisms that most closely resemble the common ancestor of fungi a member of this phylum includes the mold Rhizopus stolonifer reproduces only sexually Choose Choose Choose Choose

Question 8 Which of the following characteristics listed below do all fungi have in common Check all that could apply sexual and asexual life cycles septate hyphae in their mycelium O cell walls made of chitin coenocytic hyphae in their mycelium

Edit View View Insert Format Tools

Define Karyogamy Edit View Insert Format Tools Table

Which of these appears in a course syllabus Course schedule and topics Personal information about the instructor Information about other students A list of course exam questions

Haploid mycelia n 0 Germination A B C 0 Mating type n B C Mating type n D Choose Choose Choose 173 F

Excelsior College Sign In Home Los Angele Match the structure to the correct term Not all letters will be used A Es org A 4 Dashboard E Plasma membrane G B D Paramylon granule Choose C F

A B C D Dashboard B Excelsior College A Germi nation Mycelia n Choose Choose Choose Choose Sign In F C D Vc Home Los Angele E

BONUS QUESTION 5 points You are given five test tubes each containing an unknown protist and your task is to read the description below and match these five protists that you know to the correct test tube 1 Paramecium 2 Pfiesteria dinoflagellate 3 Navicula diatom 4 Plasmodium 5 Amoeba I In test tube 1 you sketch the organism and come up with a picture that looks like the one below You note the organism appears to be eating the smaller microorganism Chemical analysis of test tube 2 indicates the presence of a chemical that is toxic to fish and humans In test tube 3 you detect the presence of substantial amounts of silica Microscopic analysis of organisms in tube 4 reveals the presence of an apicoplast in the organism Microscopic analysis of the contents in tube 5 reveals the presence of one large macronucleus and several small micronuclei in each organism

Using the picture to the right which of the following would be considered a basal taxon A B C D E O species E species C and D O species A B C and D O species A and B

Match the letter with the correct term 1 point A A B Copyright 2005 Peerson Cducation Inc Puningas Parson Benjamin Cunnings Al d Choose Choose B C

Match the description with the organism 4 points total the fused cells possess a total of two equal sized nuclei and four flagella has an organized mass of DNA within its mitochondrion have one flagellum in a sulcus while the second flagellum in a cingulum has a photoreceptor and an eyespot near a pocket like structure has thin needle like pseudopodia for feeding and a test with numerous holes has a large multi cellular body called a thallus possess two unequal sized nuclei can be found inside a glass Choose Choose Choose Choose Choose Choose Choose Choose

Edit View Insert Format Tools Table

Sexual spore production by Penicillium is by a zygosporangium O True O False

A hypothetical protist Protista biologica can become inhabited by a bacterium This bacterium receives nutrition from the protist host and but produces a dangerous toxin to the host Which choice given below best describes this relationship 1 mutualism 2 parasitism 3 symbiosis 4 Number 1 and 3 can describe this relationship 5 Number 2 and 3 can describe this relationship 6 Number 2 and 4 can describe this relationship 6

A biologist is trying to classify an organism on the basis of the fact that they undergo sexual reproduction resulting through the formation of a sporangia that is protected by a thick coating If you were asked for advice to which group would you assign this new species OZygomycota O Ascomycota O Glomeromycota O Basidiomycota Deuteromuer

The typical prokaryotic flagellum features Oa9 2 pattern of microtubules stators Check all that could apply a basal body embedded in the plasma mem a covering similar to the plasma membrane ane and cell wall

Which of the following characteristics will you find in chytrids but not in other kinds of fungi chitinous cell walls O asexual and sexual modes of reproduction presence of hyphae O flagellated zoospores involved in reproduction

ou are studying the cell walls of gram negative bacteria You have solated the components of their cell walls and run a chemical nalysis of what you have isolated What component listed below would be toxic to eukaryotic cells such as human cells the cellulose the protein the peptidoglycan NAG O the lignin the namelyenccharides

Which of the following trait s do archaea and bacteria share 1 absence of a cell wall 2 presence of plasma membrane 3 lack of a nuclear envelope 4 well developed organelles O2 and 3 O2 and 4 O 3 only O 1 only 1 and 2

Diploid nuclei of the ascomycota fungus Neurospora crassa contain 14 chromosomes A single diploid cell in an ascus will eventually turn into a total of eight ascospores What is the chromosome count in a single mature Neurospora ascospore O 14 28 none of the above 07

sing the picture to the right which of the following would be onsidered a basal taxon A B C D E

certain unicellular eukaryote has a glasslike shell and exhibits totrophic nutrition When it dies this glasslike shell is not graded unless acted upon by bacteria To which clade does it long O Excavata O Unikonta O Archaeplastida Chromalveolata

Mycoplasmas are bacteria that lack cell walls On the basis of this structural feature which statement concerning mycoplasmas should be true They are gram negative O They possess typical prokaryotic flagella They could lyze when osmotic conditions change O They should contain less cellulose than do bacteria that possess cell walls They lack a cell membrane as well

How might the life cycle of Diphyllobothrium latum demonstrate an evolutionary relationship to that of the flukes

In relation to the scolex describe where one would find mature gravid proglottids

In fungi karyogamy does not immediately follow plasmogamy Because of this what consequence would result it means that sexual reproduction can occur in specialized structures Oit results in more genetic variation during sexual reproduction it is strong support for the claim that fungi are not truly eukaryotic for the claim that fungi are not truly eukaryotic Oit results in heterokaryotic cells comprised of two distinct nuclei Oit allows fungi to reproduce asexually most of the time