Biology Test - Green factories
Why is a cell analogous to an engineered watch?
- because it consists of numerous interdependent subunits - because coded information cannot arise from random processes
Concerning carbohydrates that form from photosynthesis:
- the ratio of H to C is fixed at 2:1 - they all contain C, O, H
The vascular cambium cells differentiate into:
- xylem - phloem
Two characteristics of dicots are:
1. two seed leaves 2. netted leaves
ADP + 1 high-energy phosphate =
ATP
What makes up the ribosomes?
Both proteins and RNA.
Between five and ten different types of cells are in the human body. True or False?
False
Energy plus matter is sufficient for continued development of order, complexity or growth. True or False?
False
Nearly all the mass of plants comes from well fertilized soil. True or False?
False
The cell is not capable of maintaining itself. True or False?
False
The facts of why onion cells produce an onion and not a walnut are well known to scientists. True or False?
False
The meristematic cells of a carrot could produce a tree or an elephant just as easily. True or False?
False
The protoplasm and cytoplasm of a plant are interchangeable terms. True or False?
False
Proteins are made by:
Ribosomes in plants and animals
The first man to describe plant cells was an English physicist named _____________________
Robert Hooke
Carbon dioxide levels above normal will increase plant growth. True or False?
True
Evolution theory is based on the supposition that energy plus matter plus natural chemical reactions are sufficient to ultimately produce functioning interrelated complex systems. True or False?
True
One definition of plant life is an uninterrupted succession of cells. True or False?
True
oxygen present =
aerobic
Proteins are made up of chemical compounds known as:
amino acids
building blocks of proteins =
amino acids
green pigmented chemical =
chlorophyll
Protoplasm consists of the chemicals contained within the __________________ and nucleus.
cytoplasm
Problems of world hunger are due to the green plant's inability to produce more food. True or False?
false
no oxygen =
fermentation
Where do plants obtain the oxygen necessary to utilize foods?
from the atmosphere
The matured ovary of a plant is a:
fruit
Respiration occurs in three stages, in order:
glycolysis, Krebs cycle, electron transport
Cells that multiply and produce growth at various parts of a plant are:
meristematic
gas produced in photosynthesis =
oxygen
Differentiated cells which take on the function of food storage are:
parenchyma
The transfer of information from the nucleus to the organelles that make proteins is accomplished by:
ribonucleic acid
What primary genetic characteristic of wheat dramatically helped wheat production in India?
short stem
leaf opening =
stomate
Agronomists have developed two foods that were meant specifically to increase the food supply. They are triticale and
sugar beets
When a plant doesn't have enough water, it will wilt and....
the amount of carbon dioxide will decrease
What is photosynthesis?
the putting together of carbohydrates by using light energy
Today's most widely grown food is:
wheat
