Many scientists suggest that billions of years ago life on earth began with

What do prokaryotes have in common with eukaryotes? A. They both have a Golgi apparatus. B. They both have mitochondria. C. They both have a nuclear membrane. D. They both have a liquid cytoplasm.

Which aquatic ecosystems are composed of salt water? Select four options. intertidal zones neritic zones open ocean streams coral reefs

How many species of river dolphins are there

Would you expected similar levels or different levels of heterozygosity for y-linked vs. mitochondrial dna for sites free of selection? explain. g

Is glycogen a protein based

What is the name of a complex group of organisms that are connected and interact with one another?

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

What is placebo and why is it used in some experiments

What is organ? a. group of different types of tissue that work together to perform a specific function or related functions. b. group of cells that work together to perform a similar function. c.

The temperate phage lambda can undergo two life cycles depending on the environmental cues. During which cycle does phage lambda form a prophage? Choose one: A. lysogeny B. burst cycle C. lytic cycle D. slow-release cycle