Biology Questions

Reactions that require energy input are called endergonic and are A anabolic B catabolic C easily activated D hard to activate

Reactions that require energy input are called and are A exergonic B endergonic C spontaneous D catabolic

For a protein to be denatured the bonds have to be disrupted A peptide B non polar covalent C hydrogen D metallic

Which of the following is NOT a protein structure type A Secondary B Tertiary C Elementary D Primary

When performing a quantitative experiment which of the following is MOST needed Comparisons with a control A B Multiple trials C Exact measurement D Type of change observed

Identify the correct statement below in relation to a Humans did not evolve b Humans have evolved and continue to evolve socially but not biologically c Humans evolved until about 5 million years ago but are no longer evolving d Humans have evolved and are evolving

Which of the following phylogenetic trees is NOT equivalent to the others A B C D E ABCED Clad ogram 1 Cla dogram 2 ACED BA B C D E Cladogram 3 Cladogram 1 Cladogram 2 Cladogram 4 All are equivalent om Clad ogra m4

In nonvascular plants sperm are produced in Asci Archegonia Antheridia Testes

In plants gametes are produced by which of the following processes Mitosis Karyogamy Meiosis Epistasis

Sterilization of the inoculating loop is done a before obtaining the inoculum sample b after spreading the inoculum sample c before obtaining and after spreading the inoculum sample

What is the genus of this organism Chlamydomonas Ulva MXX

Ulva Ceratium Sargassum Porphyra

Reptiles amphibians birds and mammals are all tetrapods and together form an evolutionary clade Which of the following is a tru statement a Tetrapods are more complex than non tetrapods b Tetrapods are more evolved than non tetrapods c Tetrapods are more closely related to each other than to non tetrapods d All of the above are true

Which cell is highlighted lymphocyte basophil neutrophil O monocyte

Which tissue is highlighted O elastic cartilage Odense regular elastic tissue O areolar connective tissue Ohyaline cartilage Submit Request Answer

Which structure is highlighted Oosteodast Otrabecula Onerve O blood vessel W

Item 6 G What is a function of the highlighted cells secrete bone matrix O secrete cartilage matrix Oreabsorb bone matrix maintain bone matrix B W P Pears

Item 2 The highlighted fibers are produced by what cell type mast cell O macrophage O fibroblast adipocyte Pearson

The cytoskeleton of a cell is most analogous to the of a human A endoskeleton B integumentary system C nervous system D exoskeleton

From an evolutionary sense the fittest refers to a the best able to avoid being eaten Ob the longest lived c the most reproductively successful d the strongest

D E O a A Ob B O c C d D A e E B Antibiotic A Erythromycin B Tetracycline C Ampicillin D Gentamycin E Penicillin Effect on Growth Plate 1 Gram Five antibiotic discs were placed on nutrient agar inoculated with bacteria The diagram above shows what the plate looked like after the bacteria was allowed to grow The table labels the antibiotics and lists the effects of each antibiotic on each of a Gram and a Gram bacterium a sign in the table indicates level of sensitivity and a represents no sensitivity to the antibiotic If the agar was inoculated with Gram bacterium which disc letter on the plate represents Gentamycin Plate 2 Gram

In your simulations you used the presence of observable physical characteristics to support the branching pattern of your trees What other characteristic did you use to support your trees Reproductive rate Size of the DNA molecules Position of DNA nucleotides in DNA sequences Lifespan

The image below is a cross section of a n monocot root dicot root monocot stem dicat stom

The long thin brownish structures with a swollen green tip ar Archegoniophores Antheridiophores

Identify the structure at the white arrow

Which of the following cell types become lignified at maturity epidermis pericycle vessel elements seive tube members

What process is being observed by the organism shown here 0 0 Answer

Of the 56 species of honecreepers in Hawaii 18 remain many of these 18 are critically endangered Which of the following choices best explains the absence of the 38 other species a They migrated to Asia Ob They went extinct c They evolved camouflage and cannot be located d They evolved to live underground and therefore cannot be located

What is the clear circular structure at the tip of the orange arrow Food vacuole Pseudopodium Nucleus

Slime molds can be quite colorful in appearance ranging from yellow to orange to red True False

Sterile techniques are useful to prevent contamination of your bacterial culture True False

A cell that contains can harvest energy from the sun A mitochondria B Golgi apparati C a nucleus D chloroplasts

is are responsible for autophagy in the cell that happens during apoptosis A Lysosomes B Vesicles C Endomembrane system D Flagella

Identify the structure shown at the red arrow

Match the following organisms to their correct Phyla 4 Phylum Kinetoplastea 3 Phylum Myxomycota 5 Phylum Apicocomplexa 2 Phylum Phaeophyta 1 Phylum Euglenophyta 1 Laminaria 2 Euglena 3 Physarum 4 Trichonympha 5 Plasmodium

The diploid stage in the lifecycle of plants is referred to as the Diplophyte Sporophyte Gymnophyte

To which phylum does this organism belong OTR

Safranin Nigrosin Crystal violet lodine Question 7 Organisms of the Kingdom Protista are mostly microscopic and multicellular True

Which of the following is NOT true of fossils They provide a evidence that evolutionary change tends to be gradual b examples of transitional species c a complete record of past life on Earth d a physical proof of extinction and speciation

A common species of moss is A Rhizopus B Marchantia

Order these major taxonomic categories into an increasingly inclusive hierarchy A species genus family order class phylum kingdom domain B class order family genus species kingdom phylum domain C genus species class order family domain kingdom phylum D domain kingdom phylum class order family genus species

Evolution is best defined as a the inheritance of an acquired characteristic Ob any change to the genetic composition of a population c an increase in complexity over time d the tendency for

The structures found in vascular plants in which specialized spore producing leaves are clustered together called Prothalia Archegonial heads Rhizomes Strobili Sori Question 15 A common species of liverwort is Rhizopus Coprinus Marchantia oltinhum 0 1

The goal of O a to summarize the fossil record b to explain how all species are related to each other c to be a library of all life that has ever lived d to describe how natural selection works

Which of the following organisms contain special cells called heterocysts a Anabaena b E coli c Oscillatoria

Most bacteria have an extra chromosomal segment of DNA called a plasmid that is in eukaryotes A found C inactive B not found D proactive

Question 11 of 25 In E coli bacteria the lac operon contains genes that code for enzymes that break down lactose If the bacteria are in an environment with no lactose how will the expression of the lac genes be affected A The genes will be turned on B The genes will be turned on and off in cycles C The genes will be turned off OD Some of the genes will be turned on and some will be turned off

Most bacteria have an extra segment of chromosomal DNA called a that is in eukaryotes A codon C pili B plasmid D chloroplast

Which of the following is NOT true according to Cell Theory A All cells arise from pre existing living cells B All cells are roughly square in shape C All living organisms are composed of one or more living cells D The cell is the basic unit of life

Plant cells placed in HYPOTONIC conditions will remain A wilted C flaccid B turgid D plasmolyzed