Biology Questions

The tertiary consumers in a four level food chain are typically A detritivores C detritovores B carnivores D ominvores

In thick skin dermal papillae lie atop dermal ridges that cause epidermal ridges This produces the pattern of cleavage lines papillae lines fingerprints

glands produce a viscous secretion that consists of sweat fatty substances and proteins Eccrine Sweat Glands Apocrine Sweat Ceruminous Sebaceous

Select ALL of the following that indicate a pigmented spot on a patient s skin may be melanoma The border has indentations instead of being one smooth line The diameter is 3 mm The area s appearance has changed over time The two sides of the pigmented area are different from each other The spot is black

The is an area of actively dividing cells that produces hair basal layer hair follicle hair matrix hair papilla

Put the following layers of skin in order from most superficial to deep Stratum spinosum Stratum granulosum Stratum basale Papillary dermis Reticular dermis

What is the most common cell in the epidermis O keratinocytes squamous fibroblasts

An increase of temperature causes humans to increase sweat production and plants to increase the rate of A transpiration C gravitropism B food movement through phloem D photosynthesis

Virulent bacteria can innocuous bacteria into virulent strains A lysogenically affect C conjugate B transduce D transform

Viruses can use the host cell s as it s own cloaking device to move throughout the cell undetected A Golgi apparatus C plasma membrane B protein capsid D receptor proteins

are in conflict with Koch s postulates as they are obligate intracellular organisms A Viruses C Bacteria B Cells D Protista

The first person to develop and use aseptic technique to prevent disease was A Pasteur C Lister B Spallanzani D Virchow

scientists like Van Leeuewenhoek until was invented were able to see what he called animalcules A STM microscopy C the electron microscope B the light microscope D SEM microscopy

The uniquely shaped virus type that was used in the Hershey and Chase experiments to infect bacteria are called A enveloped C helicals B polyhedrals D bacteriophages

There are official taxonomic categories of biodiversity A seven C five B eight D six

biodiversity refers to the abundance of similar organisms in the biosphere that can successfully interbreed A Marine pH C Species B Ecosystem D Genetic

Restriction enzymes are biological that are used for various biotechnology techniques such as DNA fingerprinting A scissors C catalysts B needles D plasmids

Biotechnology involves the manipulation of organisms material for human purposes A specific alleles C operons B tRNA and mRNA D genetic

The attachment of methyl groups to DNA is a type of control in eukaryotic gene expression A post translational C pre translational B post transcriptional D pre transcriptional

Which theory approaches the natural environment as the meanings assigned to the natural environment will determine how society sees and uses it Symbolic interactionism O Structural Functionalist O Conflict Theory O None of the Above

Which of the following is NOT contained in an operon A termination genes C structural genes B operator genes D promoter genes

Find an article about collagen in the body from the library and or internet related to course material from Ch 4 7 that you find interesting and post a link It could be a news article from a source like the Washington Post an article posted by a science magazine journal like Science or National Geographic or a scientific research article You cannot post something like a Wikipedia or WebMD article however You ll probably have the best luck searching for things related to Homeostatic Imbalances Post the website link or video link for another student to read Include a brief statement about why you find the article interesting I

The translocation step of translation involves rRNA sliding down mRNA within a that reads one codon at a time A special reading frame C spliceosome B time dependent window D poly A tail

Gene expression involves of the DNA A a specific segment C the lagging strand being read as a phenotype B half D all

The active sites of the large subunit of rRNA are called P and A AT C S B B D E

DNA is located in the while the ribosomes are in the nucleus B cytoplasm C cell membrane

Which of the following genetic code is NOT a stop codon A AGA C UGA B UAG D UAA

A Enzymes are made up of which are produced from the blueprint of DNA ONA B protein hydrogen bonds

During DNA replication which of the following is NOT a function of DNA polymerase I A repair mismatches C excise abnormalities B reduce the error rate D build an Okazaki fragment

A DNA primase primes the nitrogen bases by adding to prevent the bases from binding to something other than another base helical primers B RNA primers C DNA primers

Which structures are highlighted Opseudostratified columnar epithelium microvilli cilia O goblet cells Copyright 2023 Pearson

A primes the nitrogen bases by adding to prevent the bases from binding to something other than another base DNA primase B Helicases C DNA poly merase

Watson and Crick s knowledge of replication A was non existent B was extensive as referenced in their paper about DNA structure C was referenced in their paper explaining the structure of DNA

A In DNA the four nitrogenous bases can be grouped into two categories Cytosine and thymine are and adenine and guanine are cytokinases B pyrimidines C purines

Hershey and Chase knew bacteriophages contained only DNA and protein now they needed a way to each molecule A label and track B reveal the biochemistry of C make a copy D compare the densities of of

What is the flagella arrangement of the large central rod O monotrichous O lophotrichous Operitrichous O amphitrichious the image

A heat killed S strain that transforms a non lethal R strain was hypothesized to be passing material A mutated B genetic C proteinaceous D transformed

This condition results from inheriting a mutant maternal chromosome 15 A Turner s Syndrome B Klinefelter s Syndrome C Angelman s Syndrome D Down s Syndrome

680 Which structures are highlighted microvilli Ob Onuclei O goblet cells O cilia Pigs

Genes are less restricted the further away they are from each other and are more likely to crossover according to A Watson and Crick B Gregor Mendel C Alfred Sturtevant D Thomas Hunt Morgan

A What is the conclusion if a null hypothesis reads The difference between the expected and observed results is not statistically different and my analysis finds that there is a significant difference The null is accepted and there is no difference B The null is void and the opposite is true C The null is void and there is no difference

The key to the function of sex linked traits is that the does not carry traits beyond those for gender determination A Y chromosome B X chromosome C female D autosome

A What would the possible outcomes of the Punnett Square to the right look like Se B Se Se C Se Se

A XAXA x xay Morgan performed the cross above which has a homozygous dominant female and a male hemi zygous B mono zygous C hetero zygous

4 Which cell contains the correct amount of genetic material B I XX 11 X III C X

A normal human karyotype shows chromosomes A 46 pairs of B 22 pairs of C 46 D 23

A Since the trait shows up primarily in males we can assume that it is probably recessive B V not sex linked C sex linked

A Since the trait shows up primarily in we can assume that it is probably 2nd generation B IV V females C males

deel 060 Which structures are highlighted O nuclei O goblet cells Omicrovilli O cilia Po 10

We assume that cystic fibrosis is caused by a n allele because it does not show up often in a pedigree A pleitropic B incomplete dominant C dominant D recessive