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BIO153 bacteria and archaea Questions and Correct Answers | Latest Update
What are cell wall benefits of prokaryotes? 
 - shape, protection, prevents bursting in hypotonic environments 
- contain peptidoglycan - encloses bacteria and anchors other molecules to the surface 
what is the gram stain technique 
 classifies species of bacteria based on cell wall and composition 
 - gram positive - simpler walls, lots of peptidoglycan 
 - gram negative - more complex, less peptidoglycan outer membrane with 
lipopolysaccharides, more resistant 
what is a capsu...
- Exam (elaborations)
- • 7 pages •
What are cell wall benefits of prokaryotes? 
 - shape, protection, prevents bursting in hypotonic environments 
- contain peptidoglycan - encloses bacteria and anchors other molecules to the surface 
what is the gram stain technique 
 classifies species of bacteria based on cell wall and composition 
 - gram positive - simpler walls, lots of peptidoglycan 
 - gram negative - more complex, less peptidoglycan outer membrane with 
lipopolysaccharides, more resistant 
what is a capsu...
Bio: Principle of Inheritance and variation Questions and Correct Answers | Latest Update
what are early applications of heredity 
 1. selective breeding 
 2. domestication 
ex sahiwal cows punjab 
define heredity 
 transmssion of chars from parent to progeny 
why pea used for exp 
 1. self pollinating 
 2. prod more fertile progeny 
 3. short lifespan 
 4. easy to emasculate+ artifical pollinate 
 5. many contrastig traits 
why mendal, what did he do differently? 
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Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ ...
- Exam (elaborations)
- • 13 pages •
what are early applications of heredity 
 1. selective breeding 
 2. domestication 
ex sahiwal cows punjab 
define heredity 
 transmssion of chars from parent to progeny 
why pea used for exp 
 1. self pollinating 
 2. prod more fertile progeny 
 3. short lifespan 
 4. easy to emasculate+ artifical pollinate 
 5. many contrastig traits 
why mendal, what did he do differently? 
~ 1 ~ for inquiry mail me @ 
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ ...
bio principles unit 3 Questions and Correct Answers | Latest Update
what must cells do in order to reproduce and perpetuate the species 
 reproduce 
cell reproduction involves 
 mitosis and cytokinesis 
cells that evolve through mitosis and cytokinesis are 
 identical 
In the cells of some organisms, mitosis occurs without cytoki-nesis. This will result in 
 cells with more than one nucleus. 
meiosis is a form of sexual reproduction that involves 
 species that reproduce sexually 
meiosis scrambles the genetic information from both of the parents ...
- Exam (elaborations)
- • 115 pages •
what must cells do in order to reproduce and perpetuate the species 
 reproduce 
cell reproduction involves 
 mitosis and cytokinesis 
cells that evolve through mitosis and cytokinesis are 
 identical 
In the cells of some organisms, mitosis occurs without cytoki-nesis. This will result in 
 cells with more than one nucleus. 
meiosis is a form of sexual reproduction that involves 
 species that reproduce sexually 
meiosis scrambles the genetic information from both of the parents ...
Bio Principles Final Questions and Correct Answers | Latest Update
Red color in cornsnakes (R) is dominant to albinism (r). In a cross between two heterozygous 
red cornsnakes, 
a. What is the chance of getting a red cornsnake? You can use fractions, decimals with two 
places (0.XX), or percents with two digits and a percent symbol (XX%). (2 pts) 
b. Show the equation filled in with correct numbers for this probability problem: In a group of 
three cornsnake offspring produced from this cross, what is the chance of getting one albino 
and two red snakes, in...
- Exam (elaborations)
- • 78 pages •
Red color in cornsnakes (R) is dominant to albinism (r). In a cross between two heterozygous 
red cornsnakes, 
a. What is the chance of getting a red cornsnake? You can use fractions, decimals with two 
places (0.XX), or percents with two digits and a percent symbol (XX%). (2 pts) 
b. Show the equation filled in with correct numbers for this probability problem: In a group of 
three cornsnake offspring produced from this cross, what is the chance of getting one albino 
and two red snakes, in...
BIO 348 Muscles Questions and Correct Answers | Latest Update
tendon 
 cord of dense connective tissue that attaches a muscle to periosteum of 
bone 
hypertrophy 
 -enlaring exsisting muscle cells 
-how muscle growth occurs 
skeletal muscle 
 -attached to bones, skin of fascia 
-straited with light and dark bands 
-voluntary control of contraction and relaxation 
-multinucleated 
cardiac muscle 
 -straited 
-involuntary 
-single nucleus 
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- Exam (elaborations)
- • 10 pages •
tendon 
 cord of dense connective tissue that attaches a muscle to periosteum of 
bone 
hypertrophy 
 -enlaring exsisting muscle cells 
-how muscle growth occurs 
skeletal muscle 
 -attached to bones, skin of fascia 
-straited with light and dark bands 
-voluntary control of contraction and relaxation 
-multinucleated 
cardiac muscle 
 -straited 
-involuntary 
-single nucleus 
~ 1 ~ for inquiry mail me @ 
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ ...
BIO203 – MIDTERM Questions and Correct Answers | Latest Update
Which of the following pairs is mismatched? K 
 Koch - aseptic surgery 
Which of the following is a scientific name? 
 Streptococcus pyogenes 
Which of the following pairs is mismatched? I 
 Immunologist - studies ecology of Legionella pneumophila 
Which of the following statements about fungi is true? 
 All are plants. 
Which of the following pairs is mismatched? N 
 Normal microbiota - harmful 
Who proved that microorganisms cause disease? 
 Koch 
~ 1 ~ for inquiry mail me @ ...
- Exam (elaborations)
- • 21 pages •
Which of the following pairs is mismatched? K 
 Koch - aseptic surgery 
Which of the following is a scientific name? 
 Streptococcus pyogenes 
Which of the following pairs is mismatched? I 
 Immunologist - studies ecology of Legionella pneumophila 
Which of the following statements about fungi is true? 
 All are plants. 
Which of the following pairs is mismatched? N 
 Normal microbiota - harmful 
Who proved that microorganisms cause disease? 
 Koch 
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BIO153 Exam 1 Review Questions and Correct Answers | Latest Update
Which subatomic particle is not located in the nucleus of an atom? 
 electron 
Atoms of the same element with different atomic masses are__________. 
 isotopes 
Sodium is atomic number 11. If it loses an electron it will become ________. 
 an ion or a cation 
Elements are identified by their number of _________. 
 protons 
Chemical energy is _________. 
 energy stored in chemical bonds 
Which of these is NOT a main element found in the body? 
 magnesium 
~ 1 ~
- Exam (elaborations)
- • 9 pages •
Which subatomic particle is not located in the nucleus of an atom? 
 electron 
Atoms of the same element with different atomic masses are__________. 
 isotopes 
Sodium is atomic number 11. If it loses an electron it will become ________. 
 an ion or a cation 
Elements are identified by their number of _________. 
 protons 
Chemical energy is _________. 
 energy stored in chemical bonds 
Which of these is NOT a main element found in the body? 
 magnesium 
~ 1 ~
Bio 348 Exam 1 Ultimate Study Guide Questions and Correct Answers | Latest Update
Ribosomes 
 Makes proteins 
Integral proteins 
 Channeling/Transporting molecules across membrane 
Peripheral Proteins 
 Temporary involved in cell signaling. ION CHANNELS 
Passive transport 
 Movement of solute along concentration gradient; no ATP required. 
Active transport 
 Movement of solute against its concentration gradient; ATP required!! 
Osmosis 
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Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025 
 Diffusion of w...
- Exam (elaborations)
- • 16 pages •
Ribosomes 
 Makes proteins 
Integral proteins 
 Channeling/Transporting molecules across membrane 
Peripheral Proteins 
 Temporary involved in cell signaling. ION CHANNELS 
Passive transport 
 Movement of solute along concentration gradient; no ATP required. 
Active transport 
 Movement of solute against its concentration gradient; ATP required!! 
Osmosis 
~ 1 ~ for inquiry mail me @ 
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025 
 Diffusion of w...
Bio 348 Drexel Questions and Correct Answers | Latest Update
axon hillock 
 The decision of whether or not to fire the an action potential results from 
the cumulative integration of all the inputs to a given neuron. Which region 
of the neuron performs this complutational function? 
Phrenology (bumps on skull) 
 Franz Joseph Gall 
Cajal 
 Neuron doctrine-nervous system is composed of individual cells 
Occipital lobe 
 Most caudal region of the brain 
2 classes of cells in nervous system 
 neurons and glia 
What makes neurons unique?...
- Exam (elaborations)
- • 18 pages •
axon hillock 
 The decision of whether or not to fire the an action potential results from 
the cumulative integration of all the inputs to a given neuron. Which region 
of the neuron performs this complutational function? 
Phrenology (bumps on skull) 
 Franz Joseph Gall 
Cajal 
 Neuron doctrine-nervous system is composed of individual cells 
Occipital lobe 
 Most caudal region of the brain 
2 classes of cells in nervous system 
 neurons and glia 
What makes neurons unique?...
BIO 220 Exam 3 GCU Questions and Correct Answers | Latest Update
genetic diversity 
 measures variety of different versions of same genes within a species 
species diversity 
 measures number of different kinds of organisms within a community 
ecological diversity 
 measures richness and complexity of a community 
fragmentation/cloning 
 aspens, less genetic diversity 
species richness 
 total number of species in a community 
species evenness 
 relative abundance of individuals within each species 
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Best Grades ...
- Exam (elaborations)
- • 18 pages •
genetic diversity 
 measures variety of different versions of same genes within a species 
species diversity 
 measures number of different kinds of organisms within a community 
ecological diversity 
 measures richness and complexity of a community 
fragmentation/cloning 
 aspens, less genetic diversity 
species richness 
 total number of species in a community 
species evenness 
 relative abundance of individuals within each species 
~ 1 ~ for inquiry mail me @ 
Best Grades ...