Ch. 6-8: Exam 2 Flashcards
Which of the following is a product of the citric acid cycle
NADH
Which are the products of cellular respiration
Carbon dioxide, water, and ATP
To harvest food energy during glycolysis, NADH must be present to receive electrons
False
What must pyruvic acid be converted to before it can enter the citric acid cycle
Acetyl CoA
What compound directly provides energy for cellular work
ATP
The waste products of cellular respiration include
Water and carbon dioxide
Lactic acid buildup in muscles is a sign that
Insufficient oxygen is reaching the muscles
Sugars come from carbohydrates and once processed in digestion, enter glycolysis
True
Which of the following is not a product of glycolysis
NADPH
Which of the following is not a part of cellular respiration
Lactic acid fermentation
What is the specific name of the pigment that absorbs energy during light reactions
Chlorophyll a
What color of light is the least effective in driving photosynthesis
Green
When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by splitting molecules of
H2O
Which of the following are produced by reactions that take place in the thylakoids and are consumed by reactions in the stroma
ATP and NADPH
Of the following metabolic processes, which is common to photosynthesis and cellular respiration
Reactions that store energy by pumping H+ across membranes
Photosynthesis is used by
Algae
What are the starting materials for photosynthesis
Carbon dioxide and water
Organisms that generate their own organic matter from inorganic ingredients via photosynthesis are called
Photoautotrophs
Interconnected membranous sacs suspended in the stroma are called
Thylakoids
What is the electromagnetic spectrum
The full range of radiation
When a molecule absorbs a photon, one of its electrons is raised to the __ state
Excited
What two processes are involved in the actual duplication of the cell
Mitosis and cytokinesis
What are gametes
Eggs and sperm
Haploids are produced via __. A cellular process for genetic variation
Meiosis
This phase makes up most of the cell cycle
Interphase
Which of the following is not a type of treatment for cancer
Physical therapy
A duplicated chromosome consists of two sister __ joined together at the __
Chromatids; centromere
Cell division is important for all of the following except
Checks DNA replication
The resulting cells of asexual reproduction are called
Clones
This type of tumor spreads to other portions of the body via blood vessels or lymph
Malignant
Which metabolic pathway is common to both aerobic and anaerobic processes of sugar breakdown
Glycolysis
__ is the source of oxygen gas released as part of photosynthesis
Water
Which of the following is not one of the functions of cell division
Cell mutation
What is the function of the stomata
Gas exchange
Electron transport takes place in the
Mitochondria
Name the two stages of photosynthesis in their proper order
Light reactions and the calvin cycle
What happens during prophase
Chromosomes condense
What are the starting products for photosynthesis
Carbon dioxide and water
Which even occurs during anaphase
Sister chromatids become separate chromosomes
__ is the main energy source for cellular processes
ATP
What are grana
Stacks of membranous sacs in chloroplasts
Humans have __ chromosome pairs, __ autosomal pairs and one pair of __
23; 22; sex chromosomes
Genetic variation is accomplished by all of the following except
The events of meiosis II
Chloroplasts absorb light mainly in the __ part of the light spectrum
Blue-violet
A karyotype is often used to look for genetic disorders. Karyotype results would not be useful to determine
Eye color
The final electron acceptor of aerobic respiration is
Oxygen
