General Biology

RNA primers on the leading and lagging strands

RNA primers on the leading and lagging strands

Part B - RNA primers on the leading and lagging strands

The diagram below shows a replication bubble with synthesis of the leading and lagging strands on both sides of the bubble. The parental DNA is shown in dark blue, the newly sy

yoana   37495   7 Replies

sbb

Physioex 9.0 ex 3

Physioex 9.0 ex 3

OMG, somebody help!!

mercym35   38451   2 Replies

duddy

Drag the labels onto the graph to indicate which presynaptic neuron produced each change in the axon

Drag the labels onto the graph to indicate which presynaptic neuron produced each change in the axon

Drag the labels onto the graph to indicate which presynaptic neuron produced each change in the axon hillock’s membrane potential. Assume that the same number of ligand-gated ion channels opens at each synapse. (To review the effect of distance betwe

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ukicuttie   38767   19 Replies

Nuni Ni

This diagram shows a diploid nucleus (2n=8) in which chromosome replication

This diagram shows a diploid nucleus (2n=8) in which chromosome replication

Part B - Interactions among chromosomes
This diagram shows a diploid nucleus (2n=8) in which chromosome replication has occurred in preparation for mitosis (top) and meiosis (bottom). The nucleus at top right is now in prophase of mitosis; the n

lsengstacke13   39743   7 Replies

Monkey D. Luffy

The populations (designated A through L) were located along a 210-km transect

The populations (designated A through L) were located along a 210-km transect

Part C - Gene flow and the biological species concept

Recall that the biological species concept defines a species as a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspr

bigdawg.mc   39986   9 Replies

Anthony C.

Drag the labels to their appropriate locations on the concept map below to explo

Drag the labels to their appropriate locations on the concept map below to explo

Drag the labels to their appropriate locations on the concept map below to explore the links between antibiotic resistance, binary fission, and conjugation.
Need your helps!!!

hieunguyen288   40241   5 Replies

Ashtin Kladakis-Tyson

You find yourself in an area where there are snakes, hawks and coyotes.

You find yourself in an area where there are snakes, hawks and coyotes.

Does anyone has quiz 3 and 4 and also lab 4,5,6 in biology alters and alters.

Please help me

judithlouis   40278   12 Replies

arijane2

Phylogenetic trees and geographic homework assistance

Phylogenetic trees and geographic homework assistance

The island fox, Urocyon littoralis, is endemic to the Channel Islands, which are located off the coast of southern California. Six of the eight Channel Islands support fox populations, and each of these islands is home to a distinct subspecies, as sh

goldenanchor   40475   7 Replies

Alexandra Mckinney

Answers to PhysioEx 8.0 Exercise 8

Answers to PhysioEx 8.0 Exercise 8

Exercise 8 Chemical and Physical Processes of Digestion, pg. 105
Introduction: In this lab, I will learn how the complex digestive system breaks down substrates such as fats, proteins and carbohydrates.
Activity 1: Assessing Starch Digesti

MEKAYLA   40886   1 Reply

robertling

Restriction Enzymes, Recombinant DNA, and Gene Cloning

Restriction Enzymes, Recombinant DNA, and Gene Cloning

I'm having a hart time in this section as well

Part C - Transformation and selection of recombinant bacteria
In the third step of the cloning procedure,all of the plasmids that were created in the second step are incubated with

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R3N-R3N   41711   34 Replies

Stef Grolleman

Down syndrome is caused by trisomy 21, the presence of three copies of chromosome 21. The extra copy

Down syndrome is caused by trisomy 21, the presence of three copies of chromosome 21. The extra copy

Trisomy 21
Down syndrome is caused by trisomy 21, the presence of three copies of chromosome 21. The extra copy usually results from nondisjunction during meiosis.
In some cases, however, the extra copy results from a translocation of most

maryp630   42400   5 Replies

spn1004

Mastering Biology Answers?

Mastering Biology Answers?

Is it possible to find the answer key to Mastering Biology chapters 12 and 13?

kbb   43379   3 Replies

kbb

Sort each description by the type of RNA it describes. Drag each item to the app

Sort each description by the type of RNA it describes. Drag each item to the app

Sort each description by the type of RNA it describes. Drag each item to the app

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hotthot12   44208   22 Replies

soccerplayer82

Action Potential in presynaptic and postsynaptic cells

Action Potential in presynaptic and postsynaptic cells

Question:
All chemical synapses exhibit the same general sequence of events during the transmission of information across the synaptic cleft. This sequence is always initiated by an action potential that travels down the presynaptic cell (the se

aamede3   44992   3 Replies

bio_man

Inserting the vgp gene into a cloning vector (chapter 20)

Inserting the vgp gene into a cloning vector (chapter 20)

Part B - Inserting the vgp gene into a cloning vector
In the second step of the cloning procedure, DNA fragments produced by a restriction enzyme are inserted into a cloning vector that has been cut by the same enzyme. The vector us

R3N-R3N   45385   9 Replies

shayla johnson

What do the island foxes have that the gray doesn't?

What do the island foxes have that the gray doesn't?

The island fox shares a common ancestor with the gray fox, Urocyon cinereoargenteus, which is found on the mainland. Both species have similar coloration and a diploid chromosome number of 66. One structural difference between the two species is the

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shannonmcqu   45580   31 Replies

Lily0430

Glycolysis Inputs and Outputs

Glycolysis Inputs and Outputs

Image: http://img208.imageshack.us/img208/1783/ghghc.png

Question: From the following compounds involved in cellular respiration, choose those that are the net inputs and net outputs of glycolysis. Drag each compound to the appr

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dumakey1212   45913   25 Replies

revidouch

Locations of the processes involved in protein synthesis (Part

Locations of the processes involved in protein synthesis (Part

Part A - Locations of the processes involved in protein synthesis
In eukaryotic cells, the processes of protein synthesis occur in different cellular locations.
Drag the labels to the appropriate targets to identify where in the cell each p

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cmwebber   46863   16 Replies

ratitattat20

Cystic fibrosis is the most common lethal genetic disease in the United States. It strikes one out o

Cystic fibrosis is the most common lethal genetic disease in the United States. It strikes one out o

Can someone help me out with this problem? Thanks!

Cystic fibrosis is the most common lethal genetic disease in the United States. It strikes one out of every 2,500 people of European descent, though it is less common in other groups. Cyst

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claireash   48103   18 Replies

Anupa

As in most areas of biology, the study of mitosis and the cell cycle involves a

As in most areas of biology, the study of mitosis and the cell cycle involves a

1. As in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. Knowing what the different terms mean is essential to understanding and describing the processes occurring in the cell.
2. The cell cycle

shetalpatel22   48860   8 Replies

kbscott1

Using the following allele symbols, identify the genotypes of the three F2 class

Using the following allele symbols, identify the genotypes of the three F2 class

 Assigning genotypes for codominant alleles

You decide to designate the twist allele as FT  to distinguish it from the forked allele F.

Using the following allele symbols, identify the genotypes of the three F2 classes in P

dec zoo   49714   4 Replies

Kennak0le22

Structure of the Sacromere HW

Structure of the Sacromere HW

Please help! I'm desperate! (

Part. A--Structure of the Sacromere
The thin filaments and thick filaments and their associated proteins are the key functional components of the sarcomere. It is important to be able to identify th

aamede3   50210   2 Replies

Slim

Drag the labels onto the table to indicate which type(s) of gated ion channels

Drag the labels onto the table to indicate which type(s) of gated ion channels

Chemical synapses transmit information from the sending (presynaptic) cell to the receiving (postsynaptic) cell in the form of neurotransmitters. The release of neurotransmitter into the synaptic cleft and the resulting changes in the membrane potent

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tashina   50506   14 Replies

tkk2012

Roles of RNA in protein synthesis in eukaryotes

Roles of RNA in protein synthesis in eukaryotes

RNA plays important roles in many cellular processes, particularly those associated with protein synthesis: transcription, RNA processing, and translation.
Drag the labels to the appropriate bins to identify the step in protein synthesis where e

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tatda   50906   15 Replies

swahome

Drag the labels to their appropriate locations to identify the type of point mut

Drag the labels to their appropriate locations to identify the type of point mut

Label the four mutated DNA segments shown below according to the type of point mutation each represents. Use the codon table above to determine how each mutation would affect the amino acid coding for each segment.
Drag the labels to their appro

placids   53512   7 Replies

brykuhn

Some monkey flowers (Mimulus guttatus) living near the sites of copper mines can grow in soil contai

Some monkey flowers (Mimulus guttatus) living near the sites of copper mines can grow in soil contai

 Natural selection in monkey flowers


Some monkey flowers (Mimulus guttatus) living near the sites of copper mines can grow in soil containing high concentrations of copper, which is toxic to most plants. Copper tolerance is a heritab

ageneki   54732   7 Replies

Lacie Henry

The roles of proteins in bacterial cell division and eukaryotic cytokinesis

The roles of proteins in bacterial cell division and eukaryotic cytokinesis

   The division of a bacterial cell into two daughter cells (called binary fission) is accomplished by a protein called FtsZ. FtsZ is very similar to the tubulin subunits that form microtubules in eukaryotes. After the replicated bacterial chromosomes

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Reisolated   55725   14 Replies

Christina Crocker

Predicting genotypes and phenotypic frequencies of progeny (Part C)

Predicting genotypes and phenotypic frequencies of progeny (Part C)

Part C - Predicting genotypes and phenotypic frequencies of progeny
For the cross in Part B, predict the frequencies of each of the phenotypes in the F1 progeny, and determine the genotype(s) present in each phenotypic class.
Complete the d

adamrahman194   58508   9 Replies

Angelina Akwaboah

Lab #3: Plant Transpiration Worksheet

Lab #3: Plant Transpiration Worksheet

Lab #3:  Plant Transpiration Worksheet
(Worth 126 possible points)

Table I:  Total Amount of Water (mL) Transpired in One Hour
(Worth 36 possible points)
Plant Type   Normal Conditions (@21oC)   With Heater
(@27oC

dontask   59833   7 Replies

mackaaaaa

Six major functions of membrane proteins

Six major functions of membrane proteins

Can you please each one in a brief simple summary of its significance
 Transport
Enzymatic Activity
Signal transduction
Cell-cell recognition
Intercellular joining
Attachment to the cytoskeleton and extracellular matrix

sadaf   60236   1 Reply

bio_man

Meiosis (3 of 3): Determinants of Heredity and Genetic Variation (BioFlix tutori

Meiosis (3 of 3): Determinants of Heredity and Genetic Variation (BioFlix tutori

Part A - Independent assortment and genetic variation
Consider a diploid cell where 2n = 6. During metaphase I of meiosis, as the pairs of homologous chromosomes line up on the metaphase plate, each pair may orient with its maternal or paternal

12...1516

andreaa   62292   223 Replies

dee douglas

Independent assortment and genetic variation

Independent assortment and genetic variation

The cells below show the eight possible combinations of chromosomes that the daughter cells of meiosis II can receive.

Sort each daughter cell into the appropriate bin depending on which arrangement at metaphase I would c

Peezy   62451   7 Replies

cinbaby

The stages of mitosis were originally defined by cellular features observable th

The stages of mitosis were originally defined by cellular features observable th

The stages of mitosis were originally defined by cellular features observable through a light microscope. The six micrographs below show animal cells (lung cells from a newt) during the five stages of mitosis, plus cytokinesis. (Note that interphase

sstev   70459   6 Replies

uheartnay

Determinants of Heredity and Genetic Variation

Determinants of Heredity and Genetic Variation

Meiosis guarantees that in a sexual life cycle, offspring will inherit one complete set of chromosomes (and their associated genes and traits) from each parent. The transmission of traits from parents to offspring is called heredity.
Another imp

Peezy   72044   12 Replies

Coby Herndon

There are two types of postsynaptic potentials: excitatory postsynaptic potentia

There are two types of postsynaptic potentials: excitatory postsynaptic potentia

There are two types of postsynaptic potentials: excitatory postsynaptic potentials (EPSPs) and inhibitory postsynaptic potentials (IPSPs). An EPSP is excitatory because it makes it more likely that the axon of the postsynaptic cell will trigger an ac

shekerasarabia   76081   6 Replies

doseofmegan

Can you recognize the eight stages of meiosis based on the location and behavior of the chromosomes?

Can you recognize the eight stages of meiosis based on the location and behavior of the chromosomes?

Part A - The stages of meiosis
Can you recognize the eight stages of meiosis based on the location and behavior of the chromosomes?
Drag the diagrams of the stages of meiosis onto the targets so that the four stages of meiosis I and the fou

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biofo   80061   15 Replies

DMELIx

Experimental Inquiry: Does DNA Replication Follow the Conservative, Semiconserva

Experimental Inquiry: Does DNA Replication Follow the Conservative, Semiconserva

When a solution of cesium chloride (CsCl) is subjected to high-speed centrifugation, a stable density gradient is formed. Meselson and Stahl found that when cell contents were subjected to centrifugation with a CsCl solution, a band of DNA formed at

provedmagic   83432   10 Replies

jaimsolis

Conduction of an action potential along an axon!

Conduction of an action potential along an axon!

This diagram shows the changes in charge distribution that occur across an axon membrane as an action potential propagates from left to right. The region where the action potential is occurring is shown in orange. Seven locations along the axon are m

rsmith9   86573   4 Replies

msorro

Deducing phenotypes and genotypes of selfed parents...

Deducing phenotypes and genotypes of selfed parents...

and mendels law of independent assortment

This is mastering biology and chapter 14 on biological sciences 5e.  Im trying to solve these but am really having difficulty.

Should the experiment shown in Figure 14.3 be consider

lperez24   87029   13 Replies

Viswanath Vittaladevaram