Biology and Genetics

Which of the following is true of MMPs? In carcinomas, most MMPs are produced by

Which of the following is true of MMPs? In carcinomas, most MMPs are produced by stromal cells rather than the tumor cells themselves. MMPs tend to degrade growth factors present …

Which of the following is true of MMPs? In carcinomas, most MMPs are produced by

Which of the following is true of MMPs? In carcinomas, most MMPs are produced by stromal cells rather than the tumor cells themselves. MMPs tend to degrade growth factors present …

Which of the following is true of Mendelian genetics? (Multiple answers must be

Which of the following is true of Mendelian genetics? (Multiple answers must be chosen) a gene is a unit of heredity passed down as a whole gene with 2 alleles and only 2 alleles …

Which of the following is true of Milgram’s (1963 and 1974) research on obedienc

Which of the following is true of Milgram’s (1963 and 1974) research on obedience to authority? a. With each increment of shock voltage, fewer participants obeyed, but about 65% s…

Which of the following is true of RAS? It was originally identified from a mouse

Which of the following is true of RAS? It was originally identified from a mouse retrovirus. Activated Ras binds ADP. HRAS is the most commonly mutated RAS gene in human cancers. …

Which of the following is true of \"wet growth\" hail? It tends to occur in the

Which of the following is true of "wet growth" hail? It tends to occur in the anvil of the thunderstorm It has partially melted due to the heat received through collisions with su…

Which of the following is true of acute recording studies of rat brain electrica

Which of the following is true of acute recording studies of rat brain electrical activity? Such studies are done under anesthesia. The rat must recover from the anesthesia before…

Which of the following is true of aldol reactions? 1.The thermodynamics and kine

Which of the following is true of aldol reactions? 1.The thermodynamics and kinetics of aldol reactions can be controlled by base selection. 2.Aldol reactions can be completed by …

Which of the following is true of earthquakes occurring around a subduction zone

Which of the following is true of earthquakes occurring around a subduction zone? Shallow, intermediate, and deep earthquakes will occur. The area has the potential for large eart…

Which of the following is true of feedback inhibition? Question options: A produ

Which of the following is true of feedback inhibition? Question options: A product in the pathway is recycled and used as a substrate in an earlier step of the pathway. The inhibi…

Which of the following is true of generalists and specialists? A) A generalist c

Which of the following is true of generalists and specialists? A) A generalist can eat many different types of food. "B) A specialist can never play a significant role in an ecosy…

Which of the following is true of helminthic organisms? A. Nematodes are multice

Which of the following is true of helminthic organisms? A. Nematodes are multicellular parasites (roundworms) belonging to the Platyhelminthes group with Kingdom Protista B. Flatw…

Which of the following is true of kinetochores? a)The are the sites at which mic

Which of the following is true of kinetochores? a)The are the sites at which microtubules attach to chromosomes. b)They cross at the cell's equator and move against each other, ca…

Which of the following is true of lagging strands (2pts)? A) Lagging strands are

Which of the following is true of lagging strands (2pts)? A) Lagging strands are synthesized by DNA polymerase I in eukaryotes. B) Lagging strands are synthesized in the same dire…

Which of the following is true of mutations? They are very common They are all n

Which of the following is true of mutations? They are very common They are all neutral They are all bad They are all good They are the ultimate source of genetic diversity Why is …

Which of the following is true of secondary structure in protein folding? It inv

Which of the following is true of secondary structure in protein folding? It involves hydrogen bonding. It involves the side chains. It involves hydrophobic interactions. It resul…

Which of the following is true of stem cells? A = Yes. B = No 1. Stem cells are

Which of the following is true of stem cells? A = Yes. B = No 1. Stem cells are found in embryos, and are not present in adult tissues or organs. 2. Some of the time, stem cells a…

Which of the following is true of steroid receptors? a). The receptor molecules

Which of the following is true of steroid receptors? a). The receptor molecules are transmembrane proteins with the ligand binding domain on the outside of the cell. b). The recep…

Which of the following is true of the \"New Economy\" that emerged during the 19

Which of the following is true of the "New Economy" that emerged during the 1990s Clinton era? the rise of information technology companies such as Microsoft. tremendous increase …

Which of the following is true of the endocrine system but notthe nervous system

Which of the following is true of the endocrine system but notthe nervous system? a. Directs long term processes such as pregnancy andpuberty B. Communicates via chemical signals …

Which of the following is true of the evolution of cell membranes? A) Cell membr

Which of the following is true of the evolution of cell membranes? A) Cell membranes cannot evolve if proteins do not. B) The evolution of cell membranes is driven by the evolutio…

Which of the following is true of the role of predators in relation to their pre

Which of the following is true of the role of predators in relation to their prey? As the number of predators in an area increases, the number of prey captured declines due to com…

Which of the following is true of transcription? It is the second step of protei

Which of the following is true of transcription? It is the second step of protein synthesis. It is the process of copying the deoxyribonucleic acid (DNA) onto a complementary stra…

Which of the following is true of water? It is a phospholipid It is polar It bin

Which of the following is true of water? It is a phospholipid It is polar It binds tightly to fats All the above Which of the following would be a colloid? Blood Muddy river water…

Which of the following is true of water? a)each water molecule only has a negati

Which of the following is true of water? a)each water molecule only has a negative charge it is not capable of capillary action it has weak hydrogen bonding allowing to bond easil…

Which of the following is true regarding a dihybrid cross 1. is a hybrid cross m

Which of the following is true regarding a dihybrid cross 1. is a hybrid cross multiplied by 2 2. animals or plants that differ in a single traits are crossed and the pattern of i…

Which of the following is true regarding activity of a receptor tyrosine kinases

Which of the following is true regarding activity of a receptor tyrosine kinases? dimerization is sufficient for stimulation of protein kinase activity dimerization is necessary f…

Which of the following is true regarding chemical synapses? (Select all that app

Which of the following is true regarding chemical synapses? (Select all that apply) A. They have gap junctions B. Vesicles fuse with the presynaptic membrane. To release neurotran…

Which of the following is true regarding diagnostic error? A- Most adults will n

Which of the following is true regarding diagnostic error? A- Most adults will never experience a diagnostic error B- Diagnostic error occurs mostly due to errors in interpretatio…

Which of the following is true regarding hormonal regulation of urine volume and

Which of the following is true regarding hormonal regulation of urine volume and composition? Aldosterone causes an increase in urine volume. Antidiuretic hormone causes a reducti…

Which of the following is true regarding karyotype? a) it is an ordered display

Which of the following is true regarding karyotype? a) it is an ordered display of the chromosomes arranged by size and shape b) it shows all chromosomes found in a metaphase cell…

Which of the following is true regarding model organisms? Select the best answer

Which of the following is true regarding model organisms? Select the best answer. They are studied extensively. They are easy to care for in the laboratory They have a short gener…

Which of the following is true regarding the actions of partial agonist at a lig

Which of the following is true regarding the actions of partial agonist at a ligand-gated ion channel Maintains the ion channel in its resting state Opens the ion channel maximall…

Which of the following is true regarding the binding of proteins such as activat

Which of the following is true regarding the binding of proteins such as activators and repressors to DNA? A.two proteins that contain the same type of DNA-binding motif, such as …

Which of the following is true regarding the number of degrees of freedom in the

Which of the following is true regarding the number of degrees of freedom in the Mendel's and De Vries' dihybrid cross experiments 1. In both experiments the number of degrees of …

Which of the following is true regarding the tendon reflex? A. It causes a muscl

Which of the following is true regarding the tendon reflex? A. It causes a muscle that is being stretched to contract. B. It makes the contralateral motor neurons contract. C. It …

Which of the following is true with regard to the prefrontal cortex area of the

Which of the following is true with regard to the prefrontal cortex area of the brain? The prefrontal cortex is the complex region of the frontal lobes involved in advanced reason…

Which of the following is true with respect to haploid and diploid cells? Follow

Which of the following is true with respect to haploid and diploid cells? Following DNA replication, haploid cells become diploid In haploid cells, condensed chromosomes have an “…

Which of the following is true? (A) an instrument can be valid without being rel

Which of the following is true? (A) an instrument can be valid without being reliable (B) an instrument has to first be valid before it’s reliable (C) an instrument has to be reli…

Which of the following is true? Authors in the natural law tradition think that

Which of the following is true? Authors in the natural law tradition think that morality is grounded on the struggle for domination in a world govemed by the law of the jungle. Ut…

Which of the following is true? DiGeorge syndrome is associated with abnormal de

Which of the following is true? DiGeorge syndrome is associated with abnormal development of the bone marrow. With Adenosine deaminase (ADA) deficiency, lymphocytes develop but la…

Which of the following is true? Early endosomes can be distinguished form late e

Which of the following is true? Early endosomes can be distinguished form late endosomes based on their relative positions within a cell. Clathrin coated pits are connected to ext…

Which of the following is true? I. Prions are a unique parasitic species unrelat

Which of the following is true? I. Prions are a unique parasitic species unrelated to all other parasites. II. Since they are transferred through the consumption of infected meat,…

Which of the following is true? In order to protect mountain caribou, which grou

Which of the following is true? In order to protect mountain caribou, which group of people would be best to get support from? Your cousin is a keeper at the Calgary Zoo. What sho…

Which of the following is true? Individuals that are gamma-strategists require m

Which of the following is true? Individuals that are gamma-strategists require more parental care. Individuals that are gamma-strategists have larger body sizes and larger numbers…

Which of the following is true? JAKs associate with receptor tyrosine kinases JA

Which of the following is true? JAKs associate with receptor tyrosine kinases JAKs bind to cytokine receptors only after ligand induced dimerization autophosphorylation of JAKs is…

Which of the following is true? Melanomas are especially malignant because they

Which of the following is true? Melanomas are especially malignant because they are derived from a cell type that underwent an EMT, so they may reactivate this program more easily…

Which of the following is true? Melanomas are especially malignant because they

Which of the following is true? Melanomas are especially malignant because they are derived from a cell type that underwent an EMT, so they may reactivate this program more easily…

Which of the following is true? O In Lycophytes, natural selection likely drove

Which of the following is true? O In Lycophytes, natural selection likely drove the sporophyte to become bigger (compared to Bryophytes) via selection pressure to avoid damage fro…

Which of the following is true? Proteins destined to be imported into mitochondr

Which of the following is true? Proteins destined to be imported into mitochondria, peroxisomes, chloroplasts and the nucleus each carry special sequences that help them to be tar…