what are some examples of physical change list 3
How do plant roots usually grow?
diffusion requires: group of answer choices a semipermeable membrane. a concentration gradient. ions. none of the above.
CORRECT ANSWER GETS BRAINLIST PLS HELP
Answer:
Your answer is B. Multiple Personality Disorder
Measles is a viral disease. Symptoms of a measles infection include a fever, a runny nose, and a rash. The replication process used by the measles virus results in the rapid destruction of the infected cell. This process is known as
А. the lytic cycle
B. mitosis
C. binary fission
D. the lysogenic cycle
Awnser is A: The lytic cycle.
The replication process used by the measles virus results in the rapid destruction of the infected cell. This process is known as lytic cycle. Therefore, option (A) is correct.
What do you mean by lytic cycle?One of the two cycles of viral reproduction is the lytic cycle; the other is the lysogenic cycle. The infected cell and its membrane are destroyed during the lytic cycle.
In a lytic cycle, the virus inserts its genome into a host cell and initiates replication by taking over the host cell's machinery to produce new viruses. The newly assembled and replicated virus particles are released into the surrounding waters by lysis of the host cell after infection is complete.
The process of lysis, during which a virus infects a cell, replicates, and bursts through the cell membrane, is the origin of the term "lytic cycle."
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(Circle all correct statements; 5% of this exam grade)a. All 3 species A, B, and C are present on the surface as adsorbed species b. Only A is present on the surface as adsorbed speciesc. A and C are present on the surface as adsorbed speciesd. Only B is present on the surface as adsorbed speciese. None of A, B, and C are present on the surface as adsorbed speciesf. Only C is present on the surface as adsorbed species
the correct statements on species are a, c, and f.
Based on the given information, the correct statements are:a. All 3 species A, B, and C are present on the surface as adsorbed species.
c. A and C are present on the surface as adsorbed species.
f. Only C is present on the surface as adsorbed species.
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A brain region that is anterior and dorsal to, say, the thalamus, could also be described as _______ and _______ to the thalamus.
Select one:
a. ipsilateral; contralateral
b. caudal; inferior
c. rostral; superior
d. None of the above are correct.
e. lateral; medial
A brain region that is anterior and dorsal to the thalamus can be described as rostral and superior to the thalamus.
The term "rostral" refers to a location that is toward the front of the brain, which is the same as the anterior direction. In the context of the brain, the rostral direction is related to the nose, as the term is derived from the Latin word "rostrum," meaning beak or snout. Therefore, when a brain region is anterior to the thalamus, it is also considered to be rostral.
On the other hand, the term "superior" indicates a location that is higher or above another structure, which corresponds to the dorsal direction in the context of the brain.
In this case, the dorsal direction is related to the top of the head. When a brain region is situated above the thalamus, it is considered to be in a superior position relative to the thalamus.
In summary, a brain region that is anterior and dorsal to the thalamus can be described as rostral and superior to the thalamus, as these terms correspond to the same respective directions of anterior and dorsal within the context of brain anatomy.
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4.Paramecium is able to move by hairlike structures called
____
Answer:
Cilia
Explanation:
What do viruses do??
Viruses cause disease and are mostly known as pathogens. It multiplies by highjacking a cell of a host organism. Then, the infected host cell will reproduce more viruses inside the body. The infection will then spread. Eventually, the host organism will feel sick.
what causes the splitting of the phosphate group off of ATP
Answer:
When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). Likewise, energy is also released when a phosphate is removed from ADP to form adenosine monophosphate (AMP).
Explanation:
The main enzyme responsible for linking nucleotides during DNA replication is
1.DNA polymerase
2.RNA polymerase
3.transfer RNA
4. Ribose
This questions has two parts
35 points
Part A
Answer: (A) Candida Albicans and Saccharomyces Cerevisiae
Explanation: They have the smallest difference in Cytochrome C
Part B
Answer: (B) The two species have high molecular homology
Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.
(A) is not the right answer because the fungi in the table might all look similar but have different or similar genetic blueprints.(C) is not the right answer because fungi can reproduce sexually or asexually, so reproduction cannot help with determining relatedness.(D) is not the right answer because if the two species from the answer in Part A are closely related because they are both fungi, the answer for Part A should be all of the options.These glial cells play a role in capillary-neuron exchanges and control the chemical environment around neurons is called
"These glial cells play a role in capillary-neuron exchanges and control the chemical environment around neurons is called" is Astrocytes.
Astrocytes are star-shaped glial cells that provide support for neurons in the central nervous system (CNS). Astrocytes are an important type of glial cell that are involved in a variety of functions such as regulating chemical balance, forming part of the blood-brain barrier, and providing physical support for neurons.
Astrocytes play an important role in maintaining the proper functioning of the CNS by providing the necessary nutrients and removing waste products from the surrounding area.
In addition, astrocytes are involved in a variety of other functions such as modulating synaptic transmission, regulating blood flow, and contributing to the formation of synapses. Astrocytes also play a role in neuronal development and plasticity. In summary, astrocytes are a critical component of the CNS and play a crucial role in maintaining the proper functioning of neurons.
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More focused over a smaller area is
Direct sunlight
Indirect sunlight
Or neither
Answer:
Direct sunlight
Explanation:
whats the question, but most likely direct. judgin by what i can see rn, not sure tho
DNA polymerases also have nuclease activities. Which of the following is not a use for the nuclease activity of DNA polymerase I?
-proofreading during synthesis
-trimming single-stranded ends
-removal of RNA primers
-degradation of viral DNAs
-removal of DNA lesions during repair
The use of the nuclease activity of DNA polymerase I that is not related to its function is degradation of viral DNAs. DNA polymerases have nuclease activity that helps in proofreading during synthesis, trimming single-stranded ends, removal of RNA primers, and removal of DNA lesions during repair.
DNA polymerase I has both 5' to 3' polymerase and exonuclease activity, which enables it to remove RNA primers and to proofread during DNA synthesis. The 3' to 5' exonuclease activity of DNA polymerase I helps in removing DNA lesions during repair by cutting out the damaged nucleotides from the strand. Additionally, it can also trim single-stranded ends during DNA replication, which is required to create blunt ends for ligation in cloning procedures. However, DNA polymerases do not have a specific nuclease activity for the degradation of viral DNAs. Thus, the nuclease activity of DNA polymerase I is primarily involved in DNA synthesis, repair, and modification and not degradation of viral DNAs.
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What are the similies and metaphors for the novel Roll of Thunder: Hear my Cry?
Similes:
1. The thunder was like a drumbeat in the sky.
2. The sun was like a blazing fire in the sky.
3. The wind was like a whisper in the trees.
Metaphors:
1. The land was a living, breathing entity.
2. The sky was a blanket of stars.
3. The river was a ribbon of silver.
α helices are coils with how many amino acids per complete turn?
α helices are coils with a total of 3.6 amino acids per complete turn.
What are amino acids?Any of a class of organic compounds composed of a basic amino group (NH2), an acidic carboxyl group (COOH), and an organic R group (or side chain) unique to each amino acid. Amino acid is an abbreviation for α-amino [alpha-amino] carboxylic acid.
Each molecule has a core carbon (C) atom, known as the -carbon, to which amino and a carboxyl group are linked. A hydrogen (H) atom and the R group typically fulfill the remaining two bonds of the α-carbon atom.
The specific molecular structure of the R group distinguishes the amino acids.
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1._________________ Is how far an object has moved
Answer:
Distance
Explanation:
Distance can be measured in feet, inches, meters, miles, centimeters, etc
FILL IN THE BLANK. macromolecules, the molecules of life, include all of the following except __________.
Answer:
trace elements
Explanation:
Macromolecules, the molecules of life, include all of the following except trace elements.
what are the limitations of using fossil in evolution theory. Please answer
Similarities between the buffalo and crocodile. PLEASE HELP ME! :)
in what way a prokaryotic cell is different from eukaryotic cell with respect to nuclear
membrane?
Explanation:
There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.
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If free earlobes are dominant to attached earlobes, write out the possible genotype(s) a person could have if they have free earlobes.
Answer:
Say the dominant gene is G, for free earlobes. Say the recessive gene is g.
We only need one G for free earloves to show. The possible genotypes are,
Gg and GG.
Do the benefits of a vaccine outweigh the dangers? Explain:
True or false? : we might expect that daphnia surrounded by pond water would have significant changes in heart rate compared to those surrounded by a drug solution.
True. We might expect that daphnia surrounded by pond water would have significant changes in heart rate compared to those surrounded by a drug solution.
The reason is that pond water represents a more natural and suitable environment for daphnia, providing the necessary conditions for normal physiological functioning. On the other hand, a drug solution, depending on its composition, may have specific effects on the daphnia's physiology, potentially altering its heart rate. Therefore, the daphnia's heart rate would likely respond differently to the two environments, with pond water being more conducive to normal heart rate regulation compared to the drug solution.
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what are some examples of plants and animals domesticated by early people?
a. wolf
b. dog
c. zebra
d. boar
Some examples of plants and animals domesticated by early people include the wolf (a), which was domesticated to become the dog (b), and the boar (d). The zebra was not successfully domesticated by early people.
Domestication is the process of altering a population of animals and plants to make them more advantageous to humans for the intended purpose. Early peoples were natural hunters and gatherers who had to rely on hunting animals and gathering fruits, vegetables, nuts, and seeds for survival. Humans gradually began to domesticate animals and plants as their population grew and their needs and desires became more complex.
As a result of domestication, animals became more gentle and more responsive to human instruction. Cattle, pigs, sheep, goats, chickens, and other animals were domesticated by humans. The wolf was initially domesticated by humans and became the dog. As a result of domestication, crops also became more abundant, dependable, and nutritious. Wheat, barley, peas, beans, olives, grapes, and a variety of fruits and vegetables are just a few examples of crops that have been domesticated.
Therefore, options (a), (b) and (d) are correct.
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E. coli cells are rod-shaped, about 2 mu m long and 0.8 mu m in diameter. The volume of a cylinder is r^2 h, where h is the height of the cylinder. (a) If the average density of E. coli (mostly water) is 1.1 times 10^3 g/L, what is the mass of a single cell? (b) E. coli has a protective cell envelope 10 nm thick. What percentage of the total volume of the bacterium does the cell envelope occupy? (c) E. coli is capable of growing and multiplying rapidly because it contains some 15,000 spherical ribosomes (diameter 18 nm), which carry out protein synthesis. What percentage of the cell volume do the ribosomes occupy?
Any assessment result that indicates a potentially fatal condition or a marked deterioration in the patient's state should be reported right away to the healthcare professional.
How would the nurse show that the patient's muscles are healthy?This technique involves measuring the strength of the patient's major muscles in the upper and lower limbs while exerting resistance against gravity and the examiner.
Which of the following describes a beginning of heel pain with morning steps?Plantar fasciitis is the most typical cause of heel discomfort in adults. During their initial steps in the morning or when they stand up from a chair, patients with plantar fasciitis experience increasing heel pain.
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Any assessment result that indicates a potentially fatal condition or a marked deterioration in the patient's state should be reported right away to the healthcare professional.
How would the nurse show that the patient's muscles are healthy?This technique involves measuring the strength of the patient's major muscles in the upper and lower limbs while exerting resistance against gravity and the examiner.
Which of the following describes a beginning of heel pain with morning steps?Plantar fasciitis is the most typical cause of heel discomfort in adults. During their initial steps in the morning or when they stand up from a chair, patients with plantar fasciitis experience increasing heel pain.
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which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? responses mitochondria produce atp . mitochondria produce a t p . mitochondria contain proteins. mitochondria contain proteins. mitochondria exchange substances with the cytosol. mitochondria exchange substances with the cytosol. mitochondria are surrounded by a double membrane.
The observation that best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis is mitochondria are surrounded by a double membrane. Here option D is the correct answer.
Mitochondria are membrane-bound organelles found in eukaryotic cells that are responsible for producing energy in the form of ATP. They have a distinct structure, including an inner and outer membrane, which separates the mitochondrial matrix from the cytoplasm. The double membrane is a unique feature of mitochondria that distinguishes them from other organelles in eukaryotic cells.
The endosymbiotic theory proposes that mitochondria evolved from free-living prokaryotes that were engulfed by a larger host cell and eventually developed a symbiotic relationship with it. This theory is supported by several pieces of evidence, including the fact that mitochondria have their own DNA, which is similar to that of bacterial DNA, and can reproduce independently of the host cell.
The double membrane structure of mitochondria is another important piece of evidence that supports the endosymbiotic theory. It is believed that the inner membrane of the mitochondria evolved from the plasma membrane of the original prokaryotic cell, while the outer membrane developed from the membrane of the host cell that engulfed it.
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Complete question:
Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis?
A - mitochondria produce ATP.
B - mitochondria contain proteins.
C - mitochondria exchange substances with the cytosol.
D - mitochondria are surrounded by a double membrane.
Is oxygen a compound or an atom?
Is carbon a compound or an atom?
Is oxygen a compound or an atom?
Are nitrogen bases compounds or atoms?
Is an ATP a compound or an atom?
The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane. The thickness of the cell membrane is 8.0×10
−9
m. What is the magnitude of the electric field in the membrane?
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
The given values are:
Thickness of the cell membrane = d = 8.0 x 10⁻⁹ m
Potential difference across the membrane = V = 0.070 V
The electric field E is given by the formula: E = V/d
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
A cell membrane is made up of two layers of lipid molecules, which are arranged in a specific way that separates the inside and outside of the cell. The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane.
The thickness of the cell membrane is 8.0×10⁻⁹ m. To determine the magnitude of the electric field in the membrane, we use the formula:
E = V/d
where E is the electric field, V is the potential difference, and d is the thickness of the membrane.
Substituting the given values, we get:
E = 0.070 V / 8.0×10⁻¹⁹ m E = 8.75 x 10⁶ V/m
Therefore, the magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
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