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Ch 46 biol 1202 Test Questions and Answers
True or false? Humans form gametes by a process called gametogenesis. - - true; Humans form gametes by gametogenesis. What role do germ cells play in gametogenesis? - - They produce cells that divide by mitosis and then undergo meiosis to form gametes. What products ar
- Exam (elaborations)
- • 5 pages •
True or false? Humans form gametes by a process called gametogenesis. - - true; Humans form gametes by gametogenesis. What role do germ cells play in gametogenesis? - - They produce cells that divide by mitosis and then undergo meiosis to form gametes. What products ar
CH 18 2420 Biol Test Questions and Answers Graded A+
Label the image to examine the life and transmission cycle of Plasmodium. - - Left - Asexual phase: bLood is inoculated with sporozoites - Pre-erthrocytic development: Schizogony occurs in liver cells generating numerous merozoites Right - Erythrocytic phase: Merozoites n the bloodstream invade
- Exam (elaborations)
- • 9 pages •
Label the image to examine the life and transmission cycle of Plasmodium. - - Left - Asexual phase: bLood is inoculated with sporozoites - Pre-erthrocytic development: Schizogony occurs in liver cells generating numerous merozoites Right - Erythrocytic phase: Merozoites n the bloodstream invade
BIOL1115 Midterm Exam Test Questions and Answers Graded A+
examine this typical yeast growth graph. As you can see, there are five different phases based on their growth rate. What happens during the death phase? - ANSWERS - More yeast cells die than are created, reducing the total number of yeast cell A diauxic shift happens when the first substrate, which is glucose, is depleted, and the yeast starts to use the second substrate to growt - AN
- Exam (elaborations)
- • 5 pages •
examine this typical yeast growth graph. As you can see, there are five different phases based on their growth rate. What happens during the death phase? - ANSWERS - More yeast cells die than are created, reducing the total number of yeast cell A diauxic shift happens when the first substrate, which is glucose, is depleted, and the yeast starts to use the second substrate to growt - AN
Biol150 Test Questions and Answers Graded A
Prokaryotic cells and eukaryotic cells reproduce by cell division. Regardless of the type of cell, all cells must ____________ before they divide. a. reconstruct their nucleus b. complete mitosis c. separate sister chromatids from one another d. make an exact copy of their genetic information - ANSWERS - Make an exact copy of their gene
- Exam (elaborations)
- • 3 pages •
Prokaryotic cells and eukaryotic cells reproduce by cell division. Regardless of the type of cell, all cells must ____________ before they divide. a. reconstruct their nucleus b. complete mitosis c. separate sister chromatids from one another d. make an exact copy of their genetic information - ANSWERS - Make an exact copy of their gene
BIOL LAB Final Test Questions and Answers Graded A+
Describe the basic process of an ELISA. What binds to what? When you get a positive or negative result from an ELISA, what are you actually seeing? - - + Antigen → primary antibody → secondary antibody → conjugated enzyme --> substrate It also involves an antibody or antigen (immunologic molecules) that may form an antigen-antibody reaction to provide a positive result or, if they do not react, a negative result. Positive control show color blue = substrate binds to conjugate...
- Exam (elaborations)
- • 14 pages •
Describe the basic process of an ELISA. What binds to what? When you get a positive or negative result from an ELISA, what are you actually seeing? - - + Antigen → primary antibody → secondary antibody → conjugated enzyme --> substrate It also involves an antibody or antigen (immunologic molecules) that may form an antigen-antibody reaction to provide a positive result or, if they do not react, a negative result. Positive control show color blue = substrate binds to conjugate...
BIOL Exam 1 Questions and Answers Rated A
A phospholipid has a "head" made up of a glycerol molecule attached to a single ___________, which is attached to another small molecule - ANSWERS - phosphate group Because the phosphate group and its attachments are wither charged or polar, the phospholipid had is _____, which means it has an affinity for wat
- Exam (elaborations)
- • 3 pages •
A phospholipid has a "head" made up of a glycerol molecule attached to a single ___________, which is attached to another small molecule - ANSWERS - phosphate group Because the phosphate group and its attachments are wither charged or polar, the phospholipid had is _____, which means it has an affinity for wat
BIOL CH 14 Test Questions and Answers Graded A
A man who can roll his tongue and a woman who cannot roll her tongue have a son who can roll his tongue (R = can roll tongue; r = can't roll tongue). The son is curious about whether his father is homozygous or heterozygous for the tongue-rolling trait. Which of the following facts would allow him to know? - ANSWERS - His father's mother cannot roll her tongue. In humans, height and skin color have continuous varia
- Exam (elaborations)
- • 6 pages •
A man who can roll his tongue and a woman who cannot roll her tongue have a son who can roll his tongue (R = can roll tongue; r = can't roll tongue). The son is curious about whether his father is homozygous or heterozygous for the tongue-rolling trait. Which of the following facts would allow him to know? - ANSWERS - His father's mother cannot roll her tongue. In humans, height and skin color have continuous varia
BIOL CH 14 Questions and Answers Rated A
A man who can roll his tongue and a woman who cannot roll her tongue have a son who can roll his tongue (R = can roll tongue; r = can't roll tongue). The son is curious about whether his father is homozygous or heterozygous for the tongue-rolling trait. Which of the following facts would allow him to know? - ANSWERS - His father's mother cannot roll her tongue. In humans, height and skin color have continuous variation
- Exam (elaborations)
- • 6 pages •
A man who can roll his tongue and a woman who cannot roll her tongue have a son who can roll his tongue (R = can roll tongue; r = can't roll tongue). The son is curious about whether his father is homozygous or heterozygous for the tongue-rolling trait. Which of the following facts would allow him to know? - ANSWERS - His father's mother cannot roll her tongue. In humans, height and skin color have continuous variation
BIOL 3025 Test Questions and Answers Graded A
The lac operon is expressed when A) glucose is high and lactose is absent. B) glucose is low and lactose is absent. C) glucose is low, regardless of the presence or absence of lactose. D) glucose is high and lactose is present. E) glucose is low and lactose is present. - ANSWERS - E When in a complex with ________, the CAP protein binds to the CAP site and ________ the expres
- Exam (elaborations)
- • 14 pages •
The lac operon is expressed when A) glucose is high and lactose is absent. B) glucose is low and lactose is absent. C) glucose is low, regardless of the presence or absence of lactose. D) glucose is high and lactose is present. E) glucose is low and lactose is present. - ANSWERS - E When in a complex with ________, the CAP protein binds to the CAP site and ________ the expres
BIOL 2401 CH4 Test Questions and Answers Graded A
In a neuron, if the sodium-potassium pump was absent, the concentration gradients for sodium and potassium would dissipate T/F - - True Place a single word into each sentence to make it correct and then place each sentence into a logical paragraph order. Not all terms will be used. - - -Osmosis is the net flow of water from one side of a selectively permeable membrane
- Exam (elaborations)
- • 3 pages •
In a neuron, if the sodium-potassium pump was absent, the concentration gradients for sodium and potassium would dissipate T/F - - True Place a single word into each sentence to make it correct and then place each sentence into a logical paragraph order. Not all terms will be used. - - -Osmosis is the net flow of water from one side of a selectively permeable membrane
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