Cell: The Unit of Life Questions and Answers

is the process of a vector carrying DNA from one bacterium to another creating genetic variety A Transduction B Oogenesis C Conjugation D Transformation

2 It has been observed that cells lacking alcohol dehydrogenase accumulate large amounts of glycerol during anaerobic fermentation Explain why 5 points

A For a fruit fly behavior experiment the choice chamber below is used The flies choice of side A over time may result from no electrical A current operant conditioning B habituation C B electrical current classical conditioning

Blue feet F are dominant over white feet f Mom is heterozygous for blue feet and dad has white feet What is the chance of their first child having blue feet List all genotypes and phenotypes of the possible offspring

tion get out to the cell so it make proteins 10 What are the three types of RNA 11 What is transcription and translation and where do they occur 12 What are mutations and what causes them 13 What is the difference between a protein gene mutation and chromosomal mutation

Match the eukayotic plants animals protists and fungi organelles to their functions Intermediate filaments Microfilaments Peroxisomes Ribosome Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum Protein synthesis and assisted folding Lipid synthesis storage of calcium Tension baring anchors for cellular structure and support Protein synthesis Oxidizers that help to detoxify the body

The nucleus found in eukaryotes plants animals protists and fungi is a complex organelle Label its internal components Be sure to understand the function of each Endoplasmic reticulum Nucleoplasm Nuclear Nuclear

cells whereas Class II MHC are only expressed by Class 1 MHC are expressed by Read carefully this is asking what cells have MHC Class I and what cells have MHC Class II not what cells recognize what cells

a b The process shown in the figure is O endocytosis O passive transport osmosis O exocytosis c

Extracellular fluid Lipid soluble solutes endocytosis Cytoplasm The process shown in the figure is passive transport exocytosis Lipid O active transport insoluble solutes Small lipid insoluble solutes Water molecules Lipid bilayer

What sentence best supports the statement that hormones are involved in the regulation of homeostasis O A The hormone oxytocin promotes labor contractions of the uterus during childbirth OB The hormone cortisol suppresses the immune system and is produced when the body is under stress The hormone erythropoeitin increases the production of red blood cells when oxygen levels are low OD The hormone melatonin induces sleep and its production is slowed by exposure to light

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

A student was asked to create a model to explain how DNA is replicated for transmission to subsequent generations of cells What is the first thing that happens that she needs to represent in her model O Homologous chromosomes pair up O Complementary bases attach O Paired homologous chromosomes align O Enzymes unzip strands of DNA

Question 97 Where would you find simple cuboidal epithelium male urethra kidney tubules O lining of stomach Oskin

Which two statements describe possible ways in which cellular complexity increased since life began

A muscle cramp is a sudden painful contraction of a muscle during which movement is difficult What is happening at the cellular level during a muscle cramp