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BIO Missed Test Questions
Terms in this set (38)
Large biological molecules are synthesized by removing
What type of chemical reaction results in the breakdown of organic polymers into their respective subunits?
The fiber in your diet is actually
Lard is a solid fat at room temperature. What does this tell you about the triglycerides in lard?
Lard is composed of saturated fats.
Which of the following refers to the amino acid sequence of proteins?
Which of the following is capable of converting solar energy into chemical energy?
The ______ portion of the cell membrane is responsible for the isolating function of the membrane, whereas the ______ portion regulates exchange and communication with the environment.
The diffusion of water molecules across a selectively permeable membrane is called
Place these steps of enzyme catalysis in the correct order:
1. The substrate and enzyme change shape.
2. The substrate enters the active site.
3. The enzyme reverts to its original configuration.
4. The product is expelled
2, 1, 4, 3
Glucose is made during which of the following reactions?
The Calvin cycle only
Photorespiration is detrimental for a plant because
no glucose is produced.
At the end of glycolysis, the original carbons of the glucose molecule form
two molecules of pyruvate.
The anaerobic breakdown of glucose is called
The main function of cellular respiration is to produce
In aerobic cellular respiration, the ETC receives electrons directly from
NADH and FADH2.
What is the final electron acceptor in cellular respiration?
Which of the following processes occurs in the cytoplasm?
Which of the following processes occurs across the mitochondrial membrane?
Cell size is limited by the ability of oxygen, nutrients, and wastes to diffuse through the cell membrane. True or False?
What are the most basic components of all ecosystems?
The living, or biotic part, and the abiotic
Which of the following bonds explains the cohesion of water molecules in the cohesion-tension mechanism?
The sexual life cycle of plants is described as alternation of generations because it alternates between
sporophytes and gametophytes
Which of the following is TRUE of genes that are physically located close to each other on the same chromosome?
They are linked and tend to be inherited together.
Codominance occurs when
Both of the alleles in a heterozygous are equally expressed phenotypically in an individial
A man who carries a harmful sex-linked (on the X chromosome) gene will pass the gene on to
All of his daughters
Sexual reproduction in humans is an example of DNA recombination. True or False?
White blood cells
protect the body from microbes.
Which of these blood cells have no nucleus in mammals?
Red blood cells
Which nutrients provide energy for animals?
Carbohydrates, fats, and proteins
The major function of the large intestine is to
Digested fats are packaged into _____, which are too big to enter blood capillaries and so have to diffuse into lacteals, where fats enter the lymph and are transported within the lymphatic system.
What is the basic functional unit of the kidney?
Foreign proteins that bind to an antibody are called
Myelin speeds the conduction of acton potentials along a neuron by
allowing the acton potential to "jump" over sections of the axon
Dendrites release neurotransmitters at synapses. True or False?
All cells in an animal, with the exception of gametes, are genetically identical. True or False?
When a sperm penetrates an egg cell
The egg must undergo meiosis II before merging chromosomes with the sperm.
Which of the following provides evidence that mitochondria and chloroplasts were once free-living prokaryotic organisms?
They contain their own DNA, independent of the nucleus.
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