Nucleosomes are

a. the dna-protein structures which can leave the nucleus

b. area of the nucleus where dna is being repaired

c. a length of dna wound onto a histone protein

d. chromosomes which carry information about nuclear membranes

You discover a new microbe that contains peptidoglycan. based on this information, the most logical conclusion you can draw about the organism is that it

What is a group of organisms near extinction?

14. What is the primary purpose of cellular respiration? a. To use sunlight to produse food molecules b. To release energy from food molecules c. To remove carbon dioxide from an organism d. To bring oxygen into an organism

What would happen to a cell if too many substances escape from the inside of the cell?

Two most common minerals located in earths crust?

In this example the marker DNA includes fragments that have 23,130, 9,416, 6,557, 4,361, 2,322, 2,027, and 564 base pairs. Approximately how many base pairs are in the DNA fragment indicated by the letter A?

Is evolution real? Religions say it isn't.

A population of Eastern Cottontail rabbits lives in a particular ecosystem. This population's major predator is the coyote and its major food source is vegetation.

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals

Which statement best describes the cycling of carbon between the atmosphere and geosphere? A Precipitation and condensation increasing the groundwater supply B Glaciers melting due to an increase in global climate temperatures C Volcanic activity