Biology Questions

During transcription of mRNA in eukaryotes some sequences are cut out of the primary transcript and the remaining sequences are joined together This processing of mRNA is called O termination Otranslation O splicing O capping O elongation QUESTION 28 To remove noncoding sequences in the pre mRNA of eukaryotes multiple snRNPS combine with proteins to form a larger complex called the O5 cap Ointrosome Oribosome O spliceosome 03 poly A tail 2

Xeroderma pigmentosum XP is a rare autosomal recessive disorder Patients with XP exhibit a cellular hypersensitivity to ultraviolet UV radiation a high incidence of skin cancer and premature aging Based on these clinical characteristics what is the most likely cause for this disease defects in DNA repair defects in DNA replication lack of telomerase activity shortened telomeres QUESTION 22 If a mutation produced helicase that was unable to hydrolyze ATP DNA replication would be stopped speeded up unaffected more prone to errors

During DNA replication which enzyme removes the RNA primers and then fills in the gap O DNA pol I O DNA primase O DNA pol III O DNA ligase QUESTION 20 I think the proactive stance is a better attitude to promote than after the fact worrying When planning a long week of sunbathing on the beach what type of DNA damage should sunbathers be aware of before hitting the beach O photolyase induced mutations O decreased telomere length O thymine dimers activation of uvr A B and C genes

If 14 of the nucleotides from a DNA molecule contain the base T what percent will contain the base G 14 18 28 36 O 72 QUESTION 12 If a short sequence of DNA is 5 AATTGCCGT 3 its complement is O 5 AAAACGCCA 3 3 TTAACGGCT 5 3 TTAACGGCA 5 3 TTAAGCCGA 5 O 5 TTAACGGCA 3

The site where the two original DNA strands separate and active replication occurs is called the O replication fork replisome primosome lagging strand sliding clamp subunit QUESTION 14 During replication which enzyme unwinds the DNA double helix O DNA primase O DNA polymerase I DNA helicase DNA gyrase O DNA ligase

Eukaryotic organisms speed up the process of DNA replication by O shortening the initiation phase O producing several sliding clamp complexes which provide more binding sites for DNA pol III O using DNA gyrase to unravel the double helix rather than DNA helicase O using multiple origins of replication on each chromosome QUESTION 16 Endonucleases and exonucleases are enzymes that can remove nucleotides from a polynucleotide chain An endonuclease removes nucleotides while an exonuclease removes nucleotides from the 5 end of the chain from the 3 end of the chain from the 3 end of the chain from the 5 end of the chain O internally from the ends of the chain O from the ends of the chain internally

The lagging strand is replicated with a series of Okazaki fragments and that is why its synthesis is considered to be O discontinuous continuous bidirectional antiparallel semiconservative QUESTION 10 Which of the following statements about DNA replication is false The two strands are separated Each existing strand is used as a template for making a new strand Synthesis of both new strands is in the 5 to 3 direction ther nucleus

QUESTION 5 Information obtained by Franklin from X ray crystallography on DNA suggested that it is shaped like a O helix O ribbon O hollow cylinder O pleated sheet O icosahedron QUESTION 6 In DNA complementary nitrogen bases are held together by bonds O hydrogen bonds O hydrophobic bonds O peptide bonds

The two strands of a DNA molecule contain nitrogen bases which are O identical O parallel complementary O proportionate O random QUESTION 8 Replication of DNA is conservative O redundant dispersive O semiconservative semidispersive

First Name Complete the table Distilled water control Non enzymatic detergent Enzymatic detergent Answer the following questions 1 Are enzymes globular or fibrous proteins Circle your answer globular 2 Provide an example of a globular protein 3 Provide an example of a fibrous protein 4 Are most proteins soluble or insoluble Circle your answer soluble fibrous Extent of Liquefaction mm insoluble 5 What are enzymes Answer is one sentence 6 What is the name of the enzymes often added to detergents

Part 1 Complete the following statements with one of the words listed below Notice that there are more words than necessary to fill up all the blanks Some words might be used more than once Proteins are the Proteins are biological molecules occurring in of amino acids Amino acids are molecules that contain two group and a group An cannot be diet At physiological respectively protonated and All amino acids have a central carbon called the amino group and the carboxyl group of amino acid are an amino amino acid indispensable amino acid is an amino acid that by the organism and therefore must be supplied in its different amino acids are commonly found in proteins For all the common amino acids except different groups to the carbon is bonded Because of the tetrahedral arrangement of the four groups around the carbon atom these four different groups can occupy two unique spatial arrangements and thus each amino acid has two possible The amino acid residues in protein molecules are exclusively Amino acids are divide in three classes based on the polarity of their R group and steroisomers

a protozoa b Protista c prokaryote d eukaryote e Gymnospermae f fungi g domain h Bacteria Open with Google Docs 1 Archaea j Eukarya Definition 1 kingdom of single celled eukaryote organisms such as protozoa 2 organism whose cells have nuclei 3 original name of the kingdom that included all bacteria 4 kingdom of eukaryote organisms such as mushrooms and molds 5 domain that was formerly the Archaebacteria kingdom 6 single celled organisms that can move on their own 7 domain that includes all four eukaryote kingdoms 8 is a vascular plant that produces seeds in special structures called cones

Protista prokaryote eukaryote Gymnospermae fungi domain Bacteria Archaea

A n bryophyte is a small seedless plant that lacks vascular tissue O O False True

A n eukaryote is a single celled organism that does not contain membrane bound organelles O O False True

Plants are examples of heterotrophs True O False

Phylum is the highest taxonomic level above kingdom O True False

A n dichotomous key is a diagram depicting the evolutionary relationships between different species or groups O True O False

A n genus is a taxonomic level consisting of a group of similar species O True False 1 poin

Species are defined based on their physical appearance and a set of physical characteristics called biodiversity O True O False

A scientist specializing in the study of plants is a n botanist True O False

The variety and number of life forms on Earth is called hybridization O True O False

Can you make two questions about patents

Can you make two questions about patents

What organism is shown in this figure Olichen mould mushroom O yeast green algae hyphae

Which term describes a round bacterial cell O pathogen O spirillum bacillus COCCUS

Which term describes an organism that cannot survive in the presence of oxygen obligate aerobe O obligate anaerobe O pathogen facultative aerobe 1F

Which statement is true about all members of Domain Eubacteria and Domain Archaea 1 point O They are multicellular organisms prokaryotes and contain membrane bound organelles They are multicellular organisms eukaryotes and lack membrane bound organelles O They are single celled organisms prokaryotes and contain membrane bound organelles They are single celled organisms prokaryotes and lack membrane bound organelles

Which term describes a small loop of DNA often found in prokaryotic cells that usually contains a small number of genes plasmid bacillus COCCUS capsule

Which statement s is are true about prokaryotes The total mass of prokaryotes exceeds that of animals and possible all plant life on Earth More than 100 trillion bacteria live on and within our bodies 1 point They live in a variety of environments including on the surface of other organisms in water and soil deep within Earth in boiling hot springs and in ice All of the above

Which animal is classified in the Arthropoda phylum pinworms earthworms snails insects

Which term describes a form of asexual reproduction that involves the division of one parent cell into two genetically identical daughter cells Otransformation conjugation binary fission fermentation

Which kingdom includes pine trees O Kingdom Plants O Kingdom Archaea O Kingdom Protista O Kingdom Eubacteria

Which term describes a corkscrew shaped bacterial cell O spirillum O pathogen O bacillus O COCCUS

Which characteristics are shared by sponges corals humans and frogs They are autotrophic and photosynthetic and are terrestrial They reproduce asexually and possess chloroplasts They are heterotrophic and have no cell walls or chloroplasts They possess chloroplasts and have cell walls composed of cellulose

What type of cell contains half the usual complement of chromosomes zygote O haploid O diploid all of the above

Which statement is true about the domains of living things Kingdom Bacteria and Kingdom Archaea are in the same domain Domain Eucaryotes includes only Kingdom Protista Domain Bacteria includes Kingdom Archaea and Kingdom Protista Four kingdoms are classified into the Domain Eukaryote

What is the highest taxonomic level O domain O family O phylum O genus

Which term describes a single celled organism that contains membrane bound organelles O autotroph O eukaryote heterotroph Oprokaryote

In Linnaeus s binomial naming system the second name is always what O the specific name O the genus name the clade name the kingdom name

Which of the following is an example of an autotroph tree O dog bird elephant

How does loss of biodiversity affect humans It threatens our food supply O It has a significant economic impact on tourism and forestry O It eliminates sources of natural medicines O all of the above

Which of the following gram positive bacteria low G C content is an important probiotic Lactobacillus Leuconostoc Streptococcus Staphylococcus Mycoplasma

1 Create a brochure over an infectious disease that can be distributed in a healthcare facility The brochure should be professional and informative You may choose your own microbe After signing into Canva you can search brochure in the search bar for options You may also create the artifact using a blank template Be sure to include pictures or graphics where applicable nclude the following in your brochure The infectious disease and the causative agent the microbe Mode of transmission Signs Symptoms

Professional Development Plan on how to become a cardiac surgeon 1 Develop a comprehensive plan outlining the steps you will take to bridge the skills gap identified in the previous section Your plan should include 2 Short term Action Steps What specific actions will you take in the next 1 2 years to enhance your skills and qualifications 3 Long term Action Steps What actions will you take over the next 5 years to work towards your ultimate career goals 4 Resources Identify the resources you will utilize courses workshops mentors books online platforms etc and explain why they are relevant to your development 5 Timeline Create a timeline for each action step indicating when you plan to complete them 6 Measurable Goals Define how you will measure your progress and success in achieving each action step

on 1 A an occurs when the receiving team successfully puts the ball away against the serving team or when the serving team commits an unforced error and the receiving team thus gains the right to serve point O attack service error Points 2 O side out

This figure shows the life cycle of a moss Match the letters in the figure with the process that is taking place at that point in the life cycle Use each term only once Bryophyte Life Cycle Male Gametophyte Female Gametophyte Fertilization Germination Mitosis Developing Gametophytes A Antheridia Sperm d Archegonia Developing Gametophytes 2 B Zygote Embryo Young Sporophyte 1 Choose 10 Choose Choose Female Gametophyte Spores Mature sporophyte C Sporangium New Generation Starts Spores New Generation Starts Dect Bot Pinn Sam 2002

Perfect Stigma Imperfect Carpel Style Is this flower perfect or imperfect Ovary Ovule Petal Sepal Anther Filament Stamen

Fruits have contributed to the success of angiosperms by nourishing the plants that make them facilitating the dispersal of seeds attracting insects to the pollen inside producing sperm and egg inside a protective coat producing trippid cells via double fertilization

You have now learned about pollination and fertilization in the flowering plants It is important to remember what these two processes are and how they occur Which of the following is the correct order of events sperm cells form in anthers pollination occurs the pollen tube reaches the ovule the egg is fertilized the stigma is fertilized the sperm cells develop the pollen tube reaches the ovule the sperm cells reach the egg the stigma is pollinated the pollen germinates double fertilization occurs the seed begins to develop pollen is produced the pollen is distributed to the stigma the pollen tube grows to the ovule the sperm cells are produced