Which scientist looked closely at cork in 1663 seeing a structure is similar to his room at the monastery and called it a cell

Some scientists have proposed that the earliest forms of life may have existed in an "RNA World" where RNA was both the genetic material and responsible for enzymatic activity. Imagine that you have recreated such a life form.

How do a group of species adapts to changes in the environment over time?

True or false: pinot noir prefers a long, cool growing season

Arrange the followings so that they accurately display the anatomical terms from bottom to top in order of the deepest to most superficial. a. hair shaft b. hair bulb c. dermal papilla d. hair root e. hair matrix

What are the major differences between the male and female reproductive systems? and here's a tougher question-what are the similarities? which structures are homologous vs which structures are derived from the same embryonic tissues?

A condition called an aneurysm occurs when a

Which one of the following molecules is a by-product of cellular respiration? a. Glucose b. Oxygen c. Pyruvate d. Water

What substances, present in fruits and vegetables, provide significant health benefits such as reducing the risk of cancer?

Which structures are common to both prokaryotic and eukaryotic cells? check all that apply. vacuole cell membrane golgi body ribosome cytoplasm endoplasmic reticulum?

What important feature (s) of noncovalent bonds makes them so important to life?