Technically, urine does not contain DNA. But urine may contain epithelial cells which can be used to extract DNA. However, healthy individuals do... View Article
The erythrocytes cannot be used for DNA fingerprinting as they do not have a nucleus. Register at BYJU’S NEET to explore other fascinating... View Article
Photosynthesis is essential for autotrophs. Moreover, autotrophs are producers in almost every type of food chain, hence, this process is equally... View Article
Most people with albinism have blue, hazel and even brown eyes. However, certain lighting conditions can cause the vessels at the back of the... View Article
Yes, humans have the tendency to cause natural selection in living organisms. For instance, overuse of pesticides may kill off most pests,... View Article
The first anatomically modern humans appeared roughly 300,000 years ago. Register at BYJU’S NEET to explore other fascinating concepts.... View Article
Humans are the result of over 4 million years of evolution. Our very first hominin ancestor, Australopithecus anamensis, lived between 4.2 and... View Article
Yes, humans have a tendency to affect the evolution of living organisms. For instance, overuse of pesticides may kill off most pests, however,... View Article
Human embryos have a distinct tail that develops during gestation. However, these are vestigial and are completely eliminated at birth. Register... View Article
Like all other living organisms, humans undergo natural selection. The most recent example is our ability to tolerate lactose and sugar in milk.... View Article
Though there have been efforts to put a clearer picture of our genes through various efforts like the Human Genome Project, we are yet to... View Article
Humans have photoreceptors that can detect wavelengths of light in the visible spectrum (380 to 700 nanometers). Moreover, humans are known as... View Article
Humans have 23 pairs of chromosomes. Of the 23, 22 are autosomes while the other are sex chromosomes. Register at BYJU’S NEET to explore... View Article
Under the right conditions, most pathogenic bacteria are capable of multiplying every 4 to 20 minutes. Register at BYJU’S NEET to explore... View Article
The process of mastication depends on the type of food being consumed. However, once it enters the oesophagus, the peristaltic movement causes... View Article
The chances of passing a stone smaller than 5mm is 90%. If it is above 5mm, the chance of passing decreases to 50%. Assuming the stone is less... View Article
The walls of the esophagus don’t drop the food down into the stomach, instead, it uses peristaltic waves to move food into the stomach.... View Article
In a healthy, adult human, the contents of the stomach need between 4 to 5 hours to become completely empty. Register at BYJU’S NEET to... View Article
Blue and red parts of the spectrum are effective to satisfy the energy requirement of plants. Hence plants absorb these two colours more than any... View Article