Final Flashcards
The Calvin cycle takes place in where?
Stroma
What is a product of the Calvin cycle?
High energy sugars
What is the correct equation for cellular respiration?
Answer A
Cellular respiration releases energy by breaking down what?
Food molecules
Unlike photosynthesis, cellular respiration occurs in what?
All eukaryotic cells
Glycolysis provides a cell with a net gain of what?
Two ATP molecules
The starting molecule for the Krebs cycle is?
Glucose
The Krebs cycle produces what?
Carbon dioxide
In the presence of oxygen, glycolysis is followed by what?
The Krebs cycle
As a cell becomes larger…..
It’s volume increases faster than its surface area
The rate at which wastes are produced by a cell, partially depends on the cells what?
Ratio of surface area to volume
Where do light dependent reactions take place?
Within a thigh Lecoid membrane
The process by which cells divide into two daughters cells?
Cell division
When during the cell cycle are chromosomes visible ?
Only during being replicated
During which phase during the cell cycle does mitosis happen?
The M phase
Which of the following is a correct statement about the events of the cell cycle?
Interphase consists of g1, S, and g2 phase
During which phase in mitosis do chromosomes line up along the middle of the dividing cell?
The metaphase
What is the role of the spindle fibers during mitosis?
They help separate the chromosomes
During normal, mitotic cell division, a parent cell has 4 chromosomes which will produce 2 daughter cells each containing how many chromosomes ?
4
What are the products of light dependent reactions?
ATP, NADPH, OXYGEN GAS
All of the following are problems that growth causes for cells except?
Excess oxygen
Which of the following happen when a cell divides?
Each daughter cell receives its own copy of its parent’s DNA
A group of similar cells that perform a particular function is called what?
Tissue
Organisms such as plants, that make their own food are called what?
Autotrophs
Organisms that cannot make their own food and must obtain energy from external sources are called what?
Heterotrophs
Which of the following organisms is a heterotroph?
A mushroom
What happens during photosynthesis?
Autotrophs produce carbohydrates
Most plants appear green because chlorophyll….
Does not absorb green light
A granum is a…
Stack of thylakoids
Which of the following is false?
A Stroma contains a thylakoid
A student is collecting a gas given off of a plant in bright sunlight at a temperature at 27 degrees Celsius what gas is being given off?
Oxygen
Which organelles are involved in energy conservation?
Mitichondria and chloroplasts
Which organelles would you expect to find in plants but animals cells?
Chloroplast
You will not find a cell wall in which of these types of organisms?
Animal
The cell membrane contains channels and pumps that help move materials from one side to another, what are these channels and pumps made of?
Proteins
Animal cell that is surrounded by fresh water will burst because of the osmotic pressure?
Allowing water into the cells
Which means of partial transport require input of energy from the cell?
Active transport
Which term describes the relatively constant internal physical conditions of an organism?
Homeostatus
The cells of unicellular are…
They are able to carry out all of the functions necessary for life
What is the process that changes one set of chemicals into another set of chemicals ?
Chemical reaction
Which of the following statements is true about catalysts?
Catalysts lower the activation energy of the chemical reaction
Enzymes affect the reactions in living cells by changing the what?
Speed of the reaction
Which of the following is not a basic a method used by ecologists?
Modeling
Plants are…
Primary producers
All the interconnect feeding relationships in an ecosystem make up a what?
Food web
What animals eat both producers and consumers?
Omnivores
Based on its behavior, which pair of ecological terms describe the bird?
Carnivore and consumer
Which of the following contains a nucleus?
Eukaryotes
Which of the following organisms are prokaryotes ?
Bacteria
Which of the following is the function of the nucleus?
Stores Dna
Which of the following statements about the nucleus is not true?
Nucleus is the sight of the protein assembly
Which organelle breaks down organelles that are no longer useful?
Isotopes
Which of the following is not a goal of science ?
To establish a collection of unchangeable truths
Science differs from other disciplines like the history and the arts because relies on….
Test explanations
Information gathered from observing a plant grow 3 cm in a three week period is called a what?
Data
How does sharing ideas through peer reviews articles help advance science ?
Scientists reading the articles may come up with new questions
Would a science who studies evolution also have to learn about the other branches of biology? Why or why not ?
Yes, because the different branches of biology are all inter related
What are the smallest objects that biologists study ?
Cells
Biologists who work in the field of Genetics and in molecular biology study what?
DNA
The basic unit of length is …?
Meters
English system of measure vs. metric measures. Why is the metric system easier to use?
Metric system is based on the multiples of 10
If an atom contains 3 protons and 4 nuetrons and 3 electrons
7
Isotopes are atoms of the same element with same number of protons but with a different number of what?
Nuetrons
if an atom contains 11 protons and 12 neutrons, it atomic number is what?
11
A covalent bond is formed in the result of what?
Sharing electrons
What type of electron is able to form bonds ?
Valence electron
What type of ion forms when an atom looses an electron?
Positive ion
A solution is a…?
A mixture that is evenly distributed
If the ph level of stomach acid and a basic oven cleaner were measured
7