You need to login first

Login information

Haven't yet registered?

×
* * *

Donate

Your donation is safe and helps support the issues and causes you care about most.
Subject
Author
Date
xx
population
High School Level Biology
biochicka
2 hours ago Last Post
xx
Gene silencing problem
Genetics and Developmental Biology
mic2014
2 hours ago Last Post
xx
29) Puromycin is an antibiotic that inhibits protein synthesis be...
Biochemistry
bkline14
3 hours ago Last Post
xx
25) The role of EF-Tu in bacterial protein synthesis is A) forma...
Biochemistry
bkline14
Yesterday Last Post
xx
13) Amino acids are attached to tRNA at the ________. A) anticod...
Biochemistry
bkline14
Yesterday Last Post
xx
12) The 5’ end and the region near the 3’ end of tRNA molecules a...
Biochemistry
bkline14
Yesterday Last Post
xx
If the half-life of a radioactive isotope is 3 million years...
Other
sary
Yesterday Last Post
xx
If a martian rock is found containing 40% parent nuclei.
Other
sary
Yesterday Last Post
xx
Discuss the theory of nuclear decay as it relates to dating of ou...
Other
sary
Yesterday Last Post
xx
d. In the experiments, you also varied the frequency of stimulati...
Anatomy and Physiology
maricorjoyce
Yesterday Last Post
wireless
Plants use photosynthesis to A) store chemical energy, and they u...
Biochemistry
mikael
Yesterday Last Post
wireless
Photosynthetic organisms are ______. A) producers that make all o...
Biochemistry
mikael
Yesterday Last Post
wireless
Humans are both A) heterotrophs and consumers. B) heterotrophs an...
Biochemistry
mikael
Yesterday Last Post
wireless
A difference between marathon runners and sprinters is ______. A)...
Biochemistry
mikael
Yesterday Last Post
wireless
Which of the following is most like a signal transduction pathway...
Biochemistry
mikael
Yesterday Last Post
wireless
Relaying a message from a receptor protein to a molecule that per...
Biochemistry
mikael
Yesterday Last Post
wireless
Certain cells that line the stomach synthesize a digestive enzyme...
Biochemistry
mikael
Yesterday Last Post
wireless
When a person cries, tears are exported from cells through the pr...
Biochemistry
mikael
Yesterday Last Post
wireless
Active transport ______. A) uses ATP as an energy source B) can m...
Biochemistry
mikael
Yesterday Last Post
wireless
Which of the following processes could result in the net movement...
Biochemistry
mikael
Yesterday Last Post
wireless
In a hypotonic solution, a plant cell will ______. A) undergo pla...
Biochemistry
mikael
Yesterday Last Post
wireless
If placed in tap water, an animal cell will undergo lysis, wherea...
Biochemistry
mikael
Yesterday Last Post
wireless
Some protozoans have special organelles called contractile vacuol...
Biochemistry
mikael
Yesterday Last Post
wireless
A cell that neither gains nor loses water when it is immersed in ...
Biochemistry
mikael
Yesterday Last Post
wireless
When two solutions that differ in solute concentration are placed...
Biochemistry
mikael
Yesterday Last Post
wireless
A balloon permeable to water but not to glucose contains a 10% gl...
Biochemistry
mikael
Yesterday Last Post
wireless
Osmosis can be defined as ______. A) the diffusion of water B) th...
Biochemistry
mikael
Yesterday Last Post
wireless
Facilitated diffusion across a biological membrane requires _____...
Biochemistry
mikael
Yesterday Last Post
wireless
Diffusion ______. A) is the result of the potential energy of ato...
Biochemistry
mikael
Yesterday Last Post
wireless
Diffusion is an example of ______. A) phagocytosis B) active tran...
Biochemistry
mikael
Yesterday Last Post
wireless
Which one of the following is most similar to the mechanism of an...
Biochemistry
mikael
Yesterday Last Post
wireless
Which one of the following is true? A) An enzyme's function depen...
Biochemistry
mikael
Yesterday Last Post
wireless
Which component of the following reaction is the substrate? sucro...
Biochemistry
mikael
Yesterday Last Post
wireless
The region of an enzyme to which a substrate binds is called the ...
Biochemistry
mikael
Yesterday Last Post
wireless
Which component of the following reaction is the enzyme? sucrose ...
Biochemistry
mikael
Yesterday Last Post
wireless
An enzyme's function is dependent on its ______. A) pH B) tempera...
Biochemistry
mikael
Yesterday Last Post
wireless
Which one of the following is true? A) Enzymes are the products i...
High School Level Biology
mikael
Yesterday Last Post
wireless
Enzymes increase the rate of a reaction by ______. A) increasing ...
High School Level Biology
mikael
Yesterday Last Post
wireless
The sum total of all the chemical reactions that occur in organis...
High School Level Biology
mikael
Yesterday Last Post
wireless
Usually, enzymes are ______. A) fats B) steroids C) chemical reac...
High School Level Biology
mikael
Yesterday Last Post
1  ...
Subject
Author
Date
xx
Michigan man among 1st in US to get 'bionic eye'
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
3 more charged in $80M heist in Connecticut
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
Gilead says 1Q sales of Sovaldi totaled $2.27B
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
Amgen misses 1Q views as higher costs cut profit
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
NY hospital warns after e-cigarette fire, injury
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
International team sequences rainbow trout genome
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
Bioinformatics profiling identifies a new mammalian clock gene
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
In sex-reversed cave insects, females have the penises
Latest Scientific Research
Biology-Forums
Yesterday Last Post
xx
Valeant, Ackman make $45B Allergan bid
Latest Scientific Research
bio_man
Apr 22, 2014 Last Post
xx
Novartis, GSK, Lilly in multibillion-dollar deals
Latest Scientific Research
Biology-Forums
Apr 22, 2014 Last Post
xx
Saudi Arabia reports 2 more deaths from MERS virus
Latest Scientific Research
Biology-Forums
Apr 22, 2014 Last Post
xx
E-cig industry awaits looming federal regulation
Latest Scientific Research
Biology-Forums
Apr 22, 2014 Last Post
xx
Muscle Weakness in Alcoholism Linked to Mitochondrial Repair Issu...
Latest Scientific Research
Biology-Forums
Apr 22, 2014 Last Post
xx
I'm New Here :)
Annoying Rants
weena80
Apr 21, 2014 Last Post
xx
Is it normal for nerds to not know how to swim?
Annoying Rants
weena80
Apr 21, 2014 Last Post
xx
Second wave of milder flu hitting Northeast
Latest Scientific Research
bio_man
Apr 21, 2014 Last Post
xx
Court declines to block drug ruling in patent case
Latest Scientific Research
bio_man
Apr 21, 2014 Last Post
xx
Kids get codeine in ER despite risks, guidelines
Latest Scientific Research
Biology-Forums
Apr 21, 2014 Last Post
xx
Study: Fuels from corn waste not better than gas
Latest Scientific Research
Biology-Forums
Apr 21, 2014 Last Post
xx
Hawaii is genetically engineered crop flash point
Latest Scientific Research
Biology-Forums
Apr 21, 2014 Last Post
exclamation
Something that happened today :/
Annoying Rants
germ
Apr 21, 2014 Last Post
xx
Vitamin B3 Might Have Been Made in Space, Delivered to Earth by M...
Latest Scientific Research
Biology-Forums
Apr 19, 2014 Last Post
xx
Building 'Smart' Cell-Based Therapies
Latest Scientific Research
Biology-Forums
Apr 19, 2014 Last Post
xx
Deadly Human Pathogen Cryptococcus Fully Sequenced
Latest Scientific Research
Biology-Forums
Apr 19, 2014 Last Post
xx
Can proteins build up in a cell?
News Articles and Discussion
bio_man
Apr 18, 2014 Last Post
xx
Scientists Develop 'Playbook' for Reverse Engineering Tissue
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
New Technique Detects Microscopic Diabetes-related Eye Damage
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
Some Immune Cells Defend Only One Organ
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
FDA warns of risks with fibroid removal procedure
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
Some immune cells defend only 1 organ
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
At the origin of cell division
Latest Scientific Research
Biology-Forums
Apr 18, 2014 Last Post
xx
Scientists explain how memories stick together
Latest Scientific Research
Biology-Forums
Apr 17, 2014 Last Post
xx
Breaking bad mitochondria
Latest Scientific Research
Biology-Forums
Apr 17, 2014 Last Post
xx
Do you think stepping on bugs is wrong - why or why not?
News Articles and Discussion
padre
Apr 17, 2014 Last Post
xx
Do people with brown eyes survive better or not?
News Articles and Discussion
Desolo
Apr 16, 2014 Last Post
Subject
Author
Date
xx
population
High School Level Biology
biochicka
2 hours ago Last Post
xx
Gene silencing problem
Genetics and Developmental Biology
mic2014
2 hours ago Last Post
xx
Cellular differentiation
Genetics and Developmental Biology
mavalen
2 hours ago Last Post
wireless
The act of a white blood cell engulfing a bacterium is ______. A)...
Biochemistry
rte21
3 hours ago Last Post
wireless
A horse eating some hay is an example of ______. A) an autotroph ...
Biochemistry
katroaster
3 hours ago Last Post
xx
29) Puromycin is an antibiotic that inhibits protein synthesis be...
Biochemistry
bkline14
3 hours ago Last Post
xx
26) During protein synthesis the peptide bond is formed by A) pe...
Biochemistry
bio_man
3 hours ago Last Post
xx
Bac Peptone
General Biology
benji
4 hours ago Last Post
accept
PhysioEX 9.0 Exercise 9 Answers
Anatomy and Physiology
kyrannam
Yesterday Last Post
xx
25) The role of EF-Tu in bacterial protein synthesis is A) forma...
Biochemistry
bkline14
Yesterday Last Post
xx
deletions and insertions
High School Level Biology
laribilla
Yesterday Last Post
xx
13) Amino acids are attached to tRNA at the ________. A) anticod...
Biochemistry
bkline14
Yesterday Last Post
xx
12) The 5’ end and the region near the 3’ end of tRNA molecules a...
Biochemistry
bkline14
Yesterday Last Post
wireless
The waste products of cellular respiration include ______. A) wat...
Biochemistry
sary
Yesterday Last Post
xx
If the half-life of a radioactive isotope is 3 million years...
Other
sary
Yesterday Last Post
xx
Part D - Adjusting probabilities based on new information
Genetics and Developmental Biology
loopyv
Yesterday Last Post
xx
If a martian rock is found containing 40% parent nuclei.
Other
sary
Yesterday Last Post
accept
Gastrulation in a frog embryo
Genetics and Developmental Biology
deadwiz9
Yesterday Last Post
xx
Which statement correctly describes what causes the second voltag...
Cell Biology
avocadoaddict
Yesterday Last Post
xx
Discuss the theory of nuclear decay as it relates to dating of ou...
Other
sary
Yesterday Last Post
wireless
Plant cells ______. A) do not need chloroplasts because their mit...
Biochemistry
sary
Yesterday Last Post
xx
d. In the experiments, you also varied the frequency of stimulati...
Anatomy and Physiology
maricorjoyce
Yesterday Last Post
wireless
What compound directly provides energy for cellular work? A) C6H1...
Biochemistry
sary
Yesterday Last Post
wireless
The ultimate source of the energy in food is ______. A) the sun B...
Biochemistry
apsychlife
Yesterday Last Post
xx
hey man
Cell Biology
biolove
Yesterday Last Post
wireless
An aerobic process requires ______. A) oxygen B) carbon dioxide C...
Biochemistry
hogan
Yesterday Last Post
wireless
Respiration describes the exchange of gases between your blood an...
Biochemistry
hogan
Yesterday Last Post
wireless
Which of these equations describes aerobic cellular respiration? ...
Biochemistry
hogan
Yesterday Last Post
wireless
During redox reactions, ______. A) the loss of electrons from one...
Biochemistry
hogan
Yesterday Last Post
wireless
Which of the following are produced during cellular respiration? ...
Biochemistry
hogan
Yesterday Last Post
wireless
During cellular respiration, electrons move through a series of e...
Biochemistry
hogan
Yesterday Last Post
wireless
The first electron acceptor of cellular respiration is ______. A)...
Biochemistry
hogan
Yesterday Last Post
wireless
Which of the following statements is true? A) Oxygen is a product...
Biochemistry
hogan
Yesterday Last Post
wireless
Which of following fluids/cells does the PST genetic test utilize...
Nursing and Clinical
mikael
Yesterday Last Post
wireless
All of the following are adjunctive diagnostic tests for detectin...
Nursing and Clinical
mikael
Yesterday Last Post

Ask a Question

ask
Click to ask a question. 228 Students and 10 guests are standing by to answer all your science and biology homework problems, free.