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In mammals and birds the external reproductive organs and waste removal organs see to be the same.
Can sleep patterns be trained, or are they genetic? I read that a human needs to sleep at least 4 hours.
I have had a bit of a look, but have been unable to find any evidence that addresses the fact that drinking a hit drink may make you feel cooler after sweating a little bit, rather than actually cha
Lately, I've started exercising in the gym and outside. I've also started to look at the details of food I eat.Food usually has a label saying the amount of energy is inside it. For example, some ch
Has anyone optimized RT for long transcripts (9kb)? The downstream application will be PCR amplification and Illumina library prep. It will be trivial to make internal primers sets for the PCR that
Estrogen is a sturdy compound, very much like cholesterol. I was wondering if anyone had any idea how long it would survive in the environment, given that some people are concerned about it interrup
First, I think humans have been eating salt for a long time. This would mean that most likely, it is actually our 'instinct' to eat salt. Also, salt is eaten inevery culture today, which has the sam
I've found several sources that state that overall, the cytosol of a cell is electrically neutral. The extracellular fluid is also purportedly electrically neutral.
If so, why is it not cleared over time? In a (probably) similar vein, why do scar marks from injuries remain long after new cells replace the dead cells
The word natural here is meant in contrast to it being a sociological construct.
I am learning RNA-seq analysis. I always encounter this phase "poly(A)+ RNA". After searching, I got this: "Most messenger RNAs contain a poly(A) tail,
The vast majority of a tree's carbon comes from the air, which averages 0.03-0.04% by volume (300-400 ppmv) CO2. This is fixed through photosynthesis and eventually stored as glucose which the plant
What exactly does it mean when a plant has a scientific name that specifies a variety, for example Nothofagus solandri var. cliffortioides, or when the name includes an "x", as in Populus maximowic
Mendel managed to determine the mechanisms of inheritance, but he did so without fully understanding several essential biological processes.
How cilium and flagellum are similar in structure. Describe how cilium and flagellum cause movement differently.
In terms of the volume of water, what does the y-intercept tell you about the pipet?
A healthy, well-nourished 27-year-old ate a large steak and egg breakfast. A few hours later, she consumed an ice cream sundae. The protein from her diet is denatured and then proteolyses to single
How does treatment with phenylbuterate (or phenyl acetate) partially overcome the clinical consequences of urea cycle deficiencies?es treatment with phenylbuterate (or phenyl acetate) partially ove
Explain the two primary non-toxic methods of transporting ammonia are using the amino acids.
A male infant who appeared normal at birth began to develop lethargy, hypothermia and apnea at 42 hours after delivery. It was determined he had a deficiency in ornithine transcarbamoylase.
Thyroid hormone acts more like a __________________ hormone then a _________________ hormone.
Jill and John get lost while traveling up a hill. They have not brought any snacks or water with them. As time passes their insulin to glucagon ratio decreases.
If the forward mutation rate is 1 × 10? 5 new mutations per gene per generation, what is the average number of new mutations per gamete per generation? Explain your work.
Why is right-handedness clearly dominant in humans? Explain evolutionary theories, as well as any molecular explanation .
when a human is sitting on the toilet squeezing, is that squeezing flexing of the sphincter, or squeezing muscles along the sides of the colon pushing on it as one's fingers push on the tube to get