Question | Answer |
A scientist was asked to present his
research at a national conference.
What step of the scientific method
is the scientist performing at
the conference? | He is communicating his results. |
Researchers are conducting an experiment. They have already researched their topic
and identified their question to study. If following the scientific method, what is the
next step the researchers should do? | Form a hypothesis |
Which part of the cell is considered
to be "selectively permeable"
because it allows certain
molecules to enter or leave the
cell? | The cell membrane |
Which cell organelle helps
break down food molecules
to release energy? | The mitochondria |
The green food-making structures
within plant cells are called... | Chloroplasts |
Twenty years after M.J. Schleiden
and Theodor Schwann published
separate conclusions on the cell
theory, Rudolf Virchow proposed
that — | cells form only from pre-existing cells. |
As the leaf absorbs the energy
from the sun, it produces glucose.
Glucose can also be
referred to as — | sugar |
What process does the chemical
equation below represent?
CO2+H2O+light→C6H12O6+O2 | Photosynthesis |
What are the products of
photosynthesis? | Glucose and oxygen |
What are the reactants of photosynthesis? | carbon dioxide, water and sunlight |
What are the products of respiration? | carbon dioxide, water and ATP Energy |
What are the reactants of respiration? | Glucose and oxygen |
James is conducting an
experiment to test the
effect of insecticides
on frogs. What is the control
group in his experiment? | The frogs without insecticide. |