What are three human activities that threaten biodiversity? Give an example of each.

Which of the following best supports the statement that mitochondria are descendants of endosymbiotic bacteria-like cells? Mitochondria fossils are older than the oldest fossilized eukaryote.

Which organelle contains DNA and controls the activity in the cell? ОВ Ос OD ОЕ

Which condition is a rare, transmissible, progressive fatal disease of the central nervous system characterized by spongiform degeneration of the gray matter of the brain?

What is endosperm? a. the leaves that are a part of the embryo b. tissue that develops into a protective seed c. coat surrounding the embryo d. the female portion of a flowering plant via cotyledons e. a source of food for the embryo f.

What is the basic structure of a virus? a capsid surrounded by a protein coat a bacteriophage surrounded by a membrane (wrong) a tiny cell surrounded by a cell wall DNA or RNA surrounded by a protein coat

You expect interstitial endocrinocytes (interstitial cells of Leydig) to be rich in which of the following?

Which of the following is an example of sustainability? A) cutting down all the trees in a forest without replanting any B) consuming more cattle than are being born C) recycling a metal can so it can be reused D) leaving the lights on in a room you

What is the major force responsible for the formation of an α-helix in protein secondary structure?

Some people believe fire is alive. It moves it seems to know where to go, it reacts to its environment.

Can energy be transferred from animal to animal