Has an artificial symbiotic relationship ever been created?

Have 2 organisms ever been introduced to create a symbiotic relationship that doesn't occur in their natural environment?

Membrane Permeability to Pyruvate?

Pyruvate seems to pass easily through the outer membrane of the mitochondrion but has difficulty entering the inner membrane (and gets in by H+ symport). I have two questions: (1) what property of... more

03/20/19

Physiology HW help

Is the signaling between the adrenal medulla and cardiac muscle cells endocrine or paracrine? Why?

Why don't dragonflies wings collapse?

How do dragonflies manage to fly at such high speeds without their wings collapsing? Their wings are thinner than paper, but they do not even flutter. What gives them their strength?

What are the prefixes in organic chemistry?

What are the topics in organic chemistry?

Evolutionary reason behind sharing the same path for food and air?

What is the evolutionary reason behind sharing the same path for food and air? For example, we have a nose and lungs, yet they are linked by the pharynx, which is shared with the mouth and... more

Why do adult insects have 6 legs?

Apparently, there is an advantage to having 6 legs in the insect world. What is that advantage, if anything? Why would such an advantage exist for insects, but not for other, larger land... more
Ged

03/18/19

Could I retake the GED for college credits?

My test scores all ranged from 165-175, so I got college ready on all tests but no extra credits. Am I able to retake it? If yes, do you think I should?

03/18/19

How can bats hear such high frequencies?

I attended a talk that glossed over some biology as it was talking about a certain protein. The speaker mentioned humans can hear up to, often less than 20kHz frequencies, whereas bats can hear up... more

What is GOC in organic chemistry?

03/18/19

What is the importance of Physiology?

Biological Nitrogen Fixation?

I just studied Biological Nitrogen Fixation and saw it's reaction but i do not understand why there is 8 electrons and 8 protons are involved and Hydrogen molecule is formed side by side along with... more

03/17/19

Considering the following balanced equation, how many moles of SO2 will react with 0.09580 moles of O2

Mole to mole conversions (1-step)

Are all functions of a human cell known?

Please bear with me as I'm intruding into your world from a computer science background. In programming, once you have created a program, you know all functions of that program. Thus, 100%... more

03/14/19

Why is DNA antiparallel? Can it be parallel?

My biology textbook mentions that DNA is antiparallel and it got me wondering... Can DNA be parallel? What would happen if it was parallel? could DNA still replicate right?

03/12/19

Is there a calculator on the TEAS test?

What is mass transfer in chemistry?

Nucleotide structure question

https://quizlet.com/_69plfz (image is at the top)What is true of the picture above it is an RNA molecule it is a DNA molecule #1 is a purine #2 is a pyrimidine . the molecules 5' end is the... more

03/06/19

You have genetically engineered green fluorescent protein (GFP) containing a KDEL sequence (GFP-KDEL).

You have genetically engineered green fluorescent protein (GFP) containing a KDEL sequence (GFP-KDEL). When GFP-KDEL is expressed in normal human fibroblasts and examined using fluorescence... more

03/04/19

Math, Physical Science

a boat is traveling at 15 mph with the current, which is moving at 3 mph. what is the combined speed

03/02/19

Are there Predatory Herbivores?

Is there animals that are physiologically herbivores;( flat teeth, long intestinal tracks, lacks claws or talons) that also have predatory features (I.e. two forward facing eyes for range finding)?... more

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