MCB Bundled Exam Questions and CORRECT Answers

NucleoidProkaryotes have these, this is where their genetic material is found. eukaryotes don't have these. cytoplasmic membranePlasmic membrane every cell has one genetic material of a eukaryote resides in thenucleus The closer Rnas they match, the two organisms more likely have an ancestor ...

Match the event shown below with the appropriate phase of the cell cycle. Choices: Interphase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase. • Separation of sister chromatids • Chromatin de-condensation • Centrosome replication • Chromatin condensation begins • Chromosomes ...

The Drosophila embryo is patterned along its dorsoventral axis by a gradient of extracellular ligand. This ligand is called A) Dorsal B) Cactus C) Toll D) Pelle E) SpatzleE In the Drosophila embryo, the bicoid and oskar mRNAs are localized to the anterior and posterior poles of the embryo ...

What does being diploid mean for eukaryotes?most have 2 copies of all genes on chromosome, and 2 alleles of most genes on genome How did Mendel determine that pairs of factors must control genes?F2 had 3/4 yellow and 1/4 green An individual gene can have variation. These variations are called:...

When does the synthesis of lipid occur? High I/G ratio, excess calorie intake (excess carbons from glucose or excess dietary protein) What tissues are involved in the synthesis of lipids? Liver (primary site in humans - 90%), adipose tissue How are the structures of triglycerides and phospholip...

Brownian motion the movement of molecules powered by random fluctuations of environmental energy Brownian motion of what molecule initiates many biochemical interactions? water Is water polar or non polar? polar Polarity enables what type of. bonding between H2O molecules? hydrogen bonding Pol...

What is the chemical structure of glycogen? multiple glucose monomers bound together highly branched homopolymer how is glycogen linked branches - α-1,6 linkage chain linkages - α-1,4 linkage What enzymes are involved in glycogen degradation? What reactions do they catalyze? 1. Glycogen pho...

A microbe is discovered living in an extreme environment near a deep sea vent. The microorganism lacks a nucleus and peptidoglycan in its cell wall, but it does have unusual membrane lipids. This species is most likely a member of the Domain - Archaea Disproves spontaneous generation - Louis Pa...

cell differentiation - the process by which cells become specialized into different types lactose permease - transporter that facilitates the uptake of lactose into the cell B-galactosidase - enzyme that catalyzes the breakdown of lactose, and converts a small percentage of lactose to allolactos...

Match the event shown below with the appropriate phase of the cell cycle. Choices: Interphase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase. • Separation of sister chromatids • Chromatin de-condensation • Centrosome replication • Chromatin condensation begins • Chromosomes ...

peyers patches - large collections of lymphoid tissue found in the submucosa of the small intestine function of peyers patches - prevent the pathogens to gain access into the body from digestive system during absorption of food follicles collect and phagocytose the bacteria which enters throug...

MCB Final Actual Questions and CORRECT Answers Using microbes to break down or remove toxic wastes in water and soil is called - CORRECT ANSWER- bioremediation The breakdown of man-made compounds by decomposers is called - CORRECT ANSWER- biodegradation Which is the first step in water purifi...

MCB Final UPDATED Actual Questions and CORRECT Answers Cells like bacteria & archaea, that do NOT have a nucleus - CORRECT ANSWER- Prokaryote Which characteristic of viruses that distinguishes them from other microorganisms? - CORRECT ANSWER- Lack cell structure

MCB Exam 2 rats UPDATED Actual Questions and CORRECT Answers Extensive digestion of chromatin with micrococcal nuclease was found to yield particles called nucleosome core particles that appear as beads when viewed by electron microscopy. Which of the following is not found in the nucleosome ...