Chapter 7 Science Study Guide

What are some characteristics of dicots?

~2 cotyledons ~Netted veins ~Vascular bundles in a ring ~Floral parts in multiples of four or five

Concerning carbohydrates that form from photosynthesis, they......

~All contain C,O and H ~Ratio of H to C is fixed at 2:1

Proteins are made up of chemical compounds known as?

Amino acids

_________ __________ levels above normal will increase plant growth.

Carbon dioxide

What are capable of maintaining themselves?

Cells

Protoplasm consists of the chemicals contained within the ___________ and ___________.

Cytoplasm, nucleus

Where does plant mass come from?

Fertilized soil and many other things

The matured ovary of a plant is a?

Fruit

Respiration occurs in three stages, in the following order:

Glycolysis, Krebs cycle, Electron transport

Cells that multiply and produce growth at various parts are of a plant are what?

Meristematic

Differentiated cells which take on the function of food storage are called?

Parenchyma

About half of the water reactant is transpired by what?

Plants

Proteins are made by ribosomes in both what?

Plants and animals

The transfer of information from the nucleus to organelles is accomplished by what?

Ribonucleic acid (RNA)

The first man to describe plant cells was an English physicist named?

Robert Hooke

________ ___________ wheat dramatically helped wheat production in India.

Short stemmed

Protoplasm and cytoplasm are two distinct different things -

They cannot be used interchangeably

Agronomists have developed two foods that were meant specifically to increase the food supply, what were they?

Triticale and sugar beets

True or false? A cell is analogous to an engineered watch because it consists of numerous interdependent subunits and because coded information cannot arise from random process.

True

True or false? 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

True or false? Problems of world hunger are not due to the green plant's ability produce more food.

True

What is today's most widely grown food?

Wheat

Vascular cells differentiate into __________ and ____________.

Xylem, Phloem

Energy plus matter alone is not sufficient for continued development of _________, ____________, or __________.

order, complexity, growth

Ribosomes are made from what?

r-proteins