The idea that Earth orbits the sun is referred to as ____ of the solar system, because of the scientist who first proposed
it.
a. the Galilean theory
b. Newton’s model
c. Einstein’s theory
d. the Copernican model
e. Darwin’s theory
ANSWER: d
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In plants, extreme wilting of leaves and stems can cause the cells to retract from the cell wall, a condition known as
____.
a. hemolysis b. an increase in turgor pressure c. plasmolysis d. a lack of solutes in the cell e. a higher than normal concentration of water in the cell
Osteoporosis is a common condition that essentially results when homeostasis cannot be maintained in ________ and ________
A) osteoclasts; osteoblasts B) osteoblasts; osteons C) chondroblasts; osteoclasts D) canaculi; chondroblasts E) canaculi; osteoclasts
Describe how the presence or absence of nucleosomes influences gene transcription
What will be an ideal response?
Answer the following questions true (T) or false (F)
1. Guard cells open stomata when they engorge with water and bow outward. 2. The "style" is the long, slender structure of the stamen. 3. Carpels are the often-colorful parts of a flower that attract pollinators.