This implies that if we rotate an object by less than 180 degrees, the new image will resemble the original preimage.Additionally, mentioning the rotations' sequence and magnitude is always beneficial when illustrating rotational symmetry.
When an object is rotated and the image looks the same as the pre-image?
A geometric transformation that maintains a figure's size and shape is called an isometry, also referred to as a hard transformation.Under an isometry, points remain on a line, parallel lines remain parallel, angle measurements, parallelism, and collinearity all remain true. A geometric transformation that maintains a figure's size and shape is called an isometry, also referred to as a hard transformation.Under an isometry, points remain on a line, parallel lines remain parallel, angle measurements, parallelism, and collinearity all remain true. A dilation will always result in comparable numbers.A figure's orientation will always alter as a result of dilatation. Another name for a congruence transformation is an isometry.Thus, it keeps both side lengths and angle measurements.Only dilation among the alternatives alters the side lengths, hence it is not an isometry.So, option A is the proper response. Similarity transformations include translation, reflection, rotation, and dilation.Rotation, reflection, and translation preserve both size and shape because they are rigid motions, whereas dilation just makes sure that the shape is preserved. They could be twisted or flipped, so they could not have the same orientation, but they do have the same measurements.Congruent shapes are the result of most transformations.The image resembles the pre-image after one change.Similar implies that they have the same proportions and shape but differ in size. Translations, reflections, and rotations are examples of congruence transformations because the image of a figure after one of them is congruent with its preimage.When the image and preimage are congruent, a transformation is said to be a congruence transformation. An object can become another object by rotation.We can see that spinning an object does not alter its size or shape.Rotational transformations are hence isometric transformations.So a rotation is also an isometry. A stiff motion from some space that preserves distance is called an isometry.For instance, the real line isometry f(x)=x+5 shifts the entire line by 5 while maintaining the point-to-point distances.An isometry of a space that maps a figure to itself is called an object's symmetry in that space. a metric space is mapped onto another or onto itself in such a way that rotation and translation are isometries of the plane, meaning that the distance between any two points in the original space is equal to the distance between their images in the second space.A shape-preserving transformation (movement) in the plane or in space is called an isometric transformation (or isometry).The isometric transformations include translation, rotation, and combinations thereof, such as the glide, which combines a translation with a reflection.To learn more about trasformations refer
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Upon release from the terminal cisternae, some calcium ions bind to ______ causing it to change shape.
Answer: troponin
Explanation: Calcium released from the sarcoplasmic reticulum bind to a subunit of globular troponin, a component of thin filaments.
What do you think would have the greatest effect on the body—a harmful mutation in a pluripotent embryonic stem cell, or a harmful mutation in an adult multipotent stem cell
A pluripotent embryonic stem cell's detrimental mutation has the most impact on the body.
embryonic stem cells with pluripotency:
within an embryo
is charge of organ development.
An unhealthy mutation will lead to an organ development problem.
The infant can pass away.
Adult stem cells with pluripotency:
found in adults
responsible for less cell growth.
Defects brought on by deleterious mutation may be fixed.
As a result, we may infer that a pluripotent embryonic stem cell's detrimental mutation has the largest impact on the body.
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Which statement describes how the above labeled organelles interact within a cell?
A.
#1 releases energy for protein production and #5 produces the proteins.
B.
#2 releases energy for protein production and #3 allows proteins to enter and exit the cell.
C.
#4 provides instructions for making proteins and #2 site of protein synthesis.
D.
#5 packages and sorts proteins and #3 allows proteins to enter and exit the cell.
The statement that describes how the above labeled organelles interact within a cell are option C. #4 provides instructions for making proteins and #2 site of protein synthesis.
How do organelles communicate among themselves in a cell?Through MCSs, a lot of organelles are in close contact with one another. The most common theory is that these contact sites form as a result of membrane proteins acting as points on the contacting organelles.
Note that Organelles communicate with one another and MCSs are locations where two or more organelles are very close to one another and pass metabolites, and proteins in a lot of ways.
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The image below represents an organism that a student observed while examining a sample of pond water with a light microscope. The student identified this organism as a prokaryote. Is the student's identification of the organism accurate, why or why not?
*
Captionless Image
The student identified this organism as a prokaryote the Trichodina has a nucleus.
You can find simple life forms like bacteria big oxygen producers like algae extraterrestrial protozoa of all kinds, and cute microscopic animals like petrels. A light microscope can magnify water droplets in a pond 100 times. It shows an active community of protozoa.
Nostoc and Anabaena are some of the most common bacteria found in pond water. As cyanobacteria, they are also responsible for the greenish color of pond water. Using an optical microscope we can observe living organisms and their movements. For example, you can observe microbes living in pond water droplets. Another type of microscope is the electron microscope.
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what effect might you expect in a eukaryotic organism in which an enzyme essential for adding the 5' cap to rna polymerase ii transcripts was nonfunctional?
The organism wouldn't be able to make mRNA transcripts that are stable.
How is mRNA added with 5 cap?The guanyl transferase enzyme adds the cap. The reaction between a guanine triphosphate (GTP) molecule and the 5' end of the RNA transcript is catalysed by this enzyme. The interaction between the GTP molecule and the 5' end of the RNA transcript is easily shown in the above image. The cap, which is a modified guanine (G) nucleotide, guards the transcript against degradation. Additionally, it aids in ribosome attachment and mRNA reading, which is necessary for protein synthesis.
Prior to moving from the nucleus to the cytoplasm and beginning the process of translating into a protein, eukaryotic mRNAs must go through a number of processing stages. Eukaryotic mRNA maturation involves extra stages that result in a molecule that is far more stable than a prokaryotic mRNA.
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How does hibernation help animals survive?
Responses
a.Hibernation increases the chances of meeting a mate.
b.Hibernation reduces the energy required for survival.
c.Hibernation protects the animal young from predators.
d.Hibernation makes access to food easier.
Answer:
I think the answer is B, hibernation reduces the energy required for survival
Put the steps of Cellular Respiration in order.
1. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More NADH is produced and CO2 is released.
2. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP are produced and NADH is saved for later.
3. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more CO2. NADH and FADH2 and 2 ATP molecules are produced.
4. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen to produce water.
5. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it moves from a high concentration to
low concentration.
Steps in Cellular Respiration are as follows 2-1-3-5-4
Cellular respiratory is the process by way of which organic fuels are oxidized within the presence of an inorganic electron acceptor inclusive of oxygen to supply huge amounts of electricity, to drive the majority production of ATP.
It's far a chemical system wherein oxygen is used to make electricity from carbohydrates and sugars. also referred to as aerobic metabolism, aerobic respiration, and unicellular respiration works either inside the presence or absence of oxygen. however, basically, the method is called cell respiration because the cellular appears to “respire” in a manner that it takes in molecular oxygen and releases carbon dioxide as a cease product.
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Which idea is most directly related to Lamarck’s beliefs about evolution?
A frog’s legs grow during life to help it jump farther, and it passes on the longer legs to its offspring.
Humans and primates are classified in the same genus because they have similar traits.
If a population is left to reproduce without limiting factors, it will outgrow its food supply.
In one area, brown moths are better adapted to the environment than white moths, so they survive and reproduce.
Answer:
A frog’s legs grow during life to help it jump farther, and it passes on the longer legs to its offspring.
Explanation:
Lamarck believed that accumulation of small changes through successive generations promote the developement of new organs or characters which are transmitted to the offspring in the next generation (such as elongation of frog's leg). This is called inherirance of acquired characters.
Provide an argument that supports either Shawna or Mason’s perspective in the following scenario.
Animal biologists Shawna and Mason are discussing cattle gestation. Shawna feels that the first trimester is the most crucial period of pregnancy, while Mason believes that the third trimester is the most critical.
An argument that supports Shawna’s perspective in the following scenario is that it constructs a calf's life basis throughout the first trimester as the baby's growth is particularly important throughout the first trimester in cattle gestation.
The physical structure and organ systems of your baby grow throughout the first semester. This time period sees the majority of miscarriages and birth abnormalities. The placenta develops and houses the fetus for the rest of the pregnancy, providing it protection until complete growth. The first trimester is a time of significant physical change for your body. So, Shawna is correct as she points the first trimester is the most crucial pregnancy period.
Cows must be in excellent health before calving since the third trimester is the last stage of calf development. The third trimester and a large increase in nutritional needs begin for many spring-calving herds in late fall or early winter. So, the third trimester is not at all critical as stated by Mason.
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in what way is the Treaty on Plant Genetic Resources limited?
The treaty on plant genetic resources is limited because it focuses on the work on loss of biodiversity and management of genetic resources and neglects other areas such as habitat loss and is therefore denoted as option D.
What is a Treaty?A treaty is referred to as a written agreement between two nations or parties which is binded by the international law. This has to be adhered to strictly to avoid punishments and other consequences.
The treaty on plant genetic resources is limited to work on loss of biodiversity and management of genetic resources and neglects loss of habitat which is a big factor in the availability of plant genetic resources.
This however makes the treaty less impactful and is therefore the reason why option D was chosen as the correct choice.
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The options are:
A. It neglects the loss of biodiversity
B. It excludes the use of seed banks
C. It excludes countries other than the United States.
D. It neglects the loss of habitat
2.why does an individual with antibodies for a species of streptococcus bacteria not automatically have immunity to all bacterial infections?
Numerous proteins found in the Helicobacter pylori secretum interfere with innate immune reactions.
These substances can attach to and obstruct Fc recognition by skilled phagocytes, or they can target monoclonal antibodies and/or complementary components for destruction in order to evade the action of the complement.
The scientists discovered that Group A Schizophrenia (GAS) produces the S peptide, a previously unidentified protein that clings to the membrane of red blood cells to prevent being ingested and eliminated by phagocytic lymphocytes. Consequently, a person does not necessarily become immune to all bacterial infections just because they have antibodies for a kind of streptococcus bacteria.
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atom can be broken down by chemical reaction
You are a family practitioner. Which of the following patients you see is most likely to need Vitamin D supplements?
A. A man with olive skin who lives in Florida.
B. A woman with dark brown skin who lives in Michigan.
C. A woman with light brown skin who works outside year-round.
D. A man with light skin who spends his winters in Texas.
You are a family practitioner. A woman with dark brown skin who lives in Michigan of the following patients you see is most likely to need Vitamin D supplements.
What is Vitamin D?
Vitamin D is a fat-soluble vitamin that is added to some foods, found naturally in a few, and sold as a dietary supplement. When ultraviolet (UV) rays from sunshine strike the skin and start the synthesis of vitamin D, it is also created endogenously.The body needs to go through two hydroxylations in order to activate vitamin D that is consumed through diet, supplements, and sun exposure. During the first hydroxylation, which takes place in the liver, vitamin D is changed into 25-hydroxyvitamin D, sometimes referred to as "calcidiol." The second hydroxylation, commonly known as "calcitriol," is predominantly carried out in the kidney and results in the physiologically active 1,25-dihydroxyvitamin D.
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What are the three types of fossiles and what made them form different
Three different types of fossils are impression fossils, trace fossils, and replacement fossils.
Impression fossils form when a leaf, shell, skin, or foot. leaves an imprint in soft earth. When the imprint hardens, it forms a fossil in the shape of the original.
Trace fossils They tells about geological records of the activities and behaviors of past life. These fossils are different from body fossils that preserve the actual remains of a body such as shells or bones.
Replacement occurs when the original shell or bone dissolves and then gets replaced by a different mineral . Mostly leave and ferns and dark imprint of fossils .
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Standard NCES.7.L.1.2-Which of the following allows materials to enter and leave a cell?
Group of answer choices
cell wall
mitochondrion
vacuole
cell membrane
Answer:
Cell membrane
Explanation:
The cell membrane is the outer lining of the cell which allows materials to enter and leave the cell.
Which of these is not a lipid? options- A. Fats B. Oils C. Proteins D. Waxes..
Answer:
C. Proteins
Explanation:
Fats oil and and waxes are lipids
Proteins are made up of amino acids. The correct answer is option C.
What are bio molecules ?Bio molecules are the biological molecules that are comprised of molecules which are chemical in nature where the biological function is performed by these molecules. The basic constituents of these molecules are C,H and O.
Proteins are formed by amino acids which has one amine group along with carboxylic acid. This is why amino acid has the dual nature of both acid as well as a base and the amino acids are the major constituents of proteins.
Proteins basically are peptide molecules in which there is chain of amino acids in which they form a functional molecule. There are 20 amino acids that are called as essential amino acids.
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A sequence is defined recursively using the formula . If the first term of the sequence is 120, what is f(5)?
DNA nucleotides come in four different varieties since there are four naturally occurring nitrogenous bases : adenine (A), thymine (T), guanine (G), and cytosine (C) = −15
A single, continuous molecule of nucleic acid or protein makes up a biological sequence.
What is Sequence ?The basic structure of a biological macromolecule, also known as the sequence, is the covalently connected, one-dimensional ordering of monomers inside a biopolymer. The phrase "sequence" can apply to a variety of substances, although it is most frequently used to describe a DNA sequence.
It can be compared to a class hierarchy with multiple inheritance. The underlying molecule type, such as DNA, RNA, or protein, is one hierarchy.
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The process by which plants capture light energy and use it to synthesize glucose and other organic molecules is called.
The process by which plants capture light energy and use it to synthesize glucose and other organic molecules is called photosynthesis.
What is photosynthesis?Photosynthesis is defined as the process through which plants convert carbon dioxide, water, and sunshine into oxygen and sugar for energy.
It is defined as a mechanism by which phototrophs transform light energy into chemical energy, which is subsequently used to power cellular processes.
It can also be defined as a method used by plants and other living things to change light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
It is important because photosynthesis is the method used by plants to convert carbon dioxide into oxygen with the help of sunlight, it is crucial.
Thus, the process by which plants capture light energy and use it to synthesize glucose and other organic molecules is called photosynthesis.
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Which of the following are correct statements regarding blood cell interactions with vascular endothelial cells?
a. Red blood cells and platelets are produced in the bone marrow, but white blood cells are produced in the thymus.
b. Red blood cells, white blood cells and platelets are all produced in the bone marrow.
c. Leukocytes is another name for red blood cells.
d. Plasma is the liquid portion of the blood.
e. Erythropoeitin stimulates the production of red blood cells.
Red blood cells and the endothelial cells that line blood vessels do not interact, hence option b is correct. This is how vascular endothelial cells interact with one another.
The most prevalent form of cell in blood are red blood cells, commonly known as endothelial cells. White blood cells, platelets, and plasma are further important blood constituents.
the kind of endothelial cells that coats lymphatic and red blood cells ; these cells are typically squamous (flattened) and form sheets that are one layer thick. Embryonic mesenchyme cells give rise to endothelial cells. The term "endothelium" refers to a layer of endothelial cells.
Abstract The inner cellular lining of arteries, veins, and capillaries is made up of a monolayer of endothelial cells (EC), which puts the vascular endothelium in direct contact with the cells and components.
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Write down the names of the organelles / molecules are involved in some way in building proteins.
Ribosomes are involved in some way in building proteins.They consist of two subunits and are found either lodged in the endoplasmic reticulum or floating freely in the cytoplasm of the cell.
The cell's protein producers are called ribosomes. The ribosome, which translates the genetic code generated in mRNA into an amino acid sequence, is universally responsible for protein synthesis. Ribosome structure and basic elements. About two times as big as the tiny subunit is the large subunit. Decoding the message and creating peptide bonds are the two main jobs of ribosomes. The ribosomal subunits are two big, unequal-sized ribonucleoprotein particles (RNPs) that carry out these two functions. There are many ribosomal proteins and one or more ribosomal RNAs (rRNAs) in each subunit (r-proteins).
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the main contributors to protein intake in the us is/are:
The main contributors to protein intake in the us is/are: meats and dairy.
Complete proteins, or those that include all of the essential amino acids our bodies require, are found in animal proteins like meat, eggs, and milk. The best sources of protein are those found in animal products.
Dairy products like milk, cheese, and yogurt are not only great sources of protein, but they are also rich in essential minerals like calcium and vitamin D. The two main proteins in milk are casein and whey protein. In bovine milk, casein makes up around 80% (29.5 g/L) of the total protein, while whey protein makes up about 20% (6.3 g/L).
Therefore, the main contributors to protein intake in the us is/are: meats and dairy.
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Which term names the metamorphic change to a rock that results mainly from the heat energy of nearby magma?.
Answer:
Contact metamorphism.
Which of the following is the most important function of the skin? separating the body from its environment
B.
storing fat for energy use
C.
sweating to keep body temperature warm
D.
absorbing sunlight for energy
The most important function of the skin is separating the body from its environment and it is denoted as option A.
What is Skin?This is referred to as an organ which is responsible for the protection of individuals from foreign bodies and external agent due to its structure and and constituents.
The skin has three main layers which ensures that the body system is well protected and covered and is the largest organ of the body. The skin also helps to regulate the body temperature but it isn't its main function which was therefore the reason why option A was chosen.
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What is a characteristic of quasi-experimental/causal-comparative research? *A. assignment to groups based on some pre-determined characteristicB. does not establish cause and effect relationshipsC. has the highest degree of control over the factors being examinedD. assignment to groups is random in nature
EXPLANATION: A quasi-experimental research is not true experimental research because instead of assigning participants randomly in either the control group or treatment group, it is pre-determined. The control and treatment groups also have different conditions and variables being tested that the researchers themselves do not have control over. This type of experiment is often conducted in research in educational settings.
ANSWER: A. assignment to groups based on some pre-determined characteristic
why active transport requires energy
input by the cell.
Answer:
Active transport requires energy because substance move from low concentration to a high concentration. (Going against the concentration gradient)
Example:
For example, in the root hair cell minerals and ions are absorbed into the plant by active transport and you will find a lot of mitochondria in the root hair cell. So, it can supply the cell energy by aerobic respiration to undertake active transport.
If the population of a species is greater than its carrying capacity for a long time, what can that do to available resources in its ecosystem?
Answer: This can decrease our resources
Explanation: Since there are more people in the population that's going to take up more resources for more houses food and buildings.
Which type of organism gets energy from breaking down nutrients and uses co2 as a carbon source?
Chemo-heterotrophs gets energy from breaking down nutrients and uses carbon dioxide as a carbon source.
Chemoheterotrophs: microbes that use organic chemical substances as sources of energy and organic compounds as the main source of carbon. an organism that gets its energy from consuming intermediates or building components that it can't make on its own.
Organisms classified as heterotrophs obtain their energy by the regulated oxidation of preexisting organic molecules, or food. Humans are heterotrophs, just like the majority of other animals, fungi, protists, and bacteria. In their environments, autotrophic organisms frequently serve as the primary producers.
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if a deer herd has a population of 1,000, a carrying capacity of 2,000, and an intrinsic rate of growth of 10% (0.1), what is true of this deer population?
Breaths > Deaths is the population's genuine ratio.
Which population do you refer to?The total population or people of a nation or region. b: the entire number of people occupying a space or constituting a whole. c: the overall number of particle at a specific level of energy, particularly when referring to particles in a laser.
What is density and an illustration of it?A collection of creatures of the same species that coexist and breed in the same location at the same (e.g., human population, the population of apple trees, total population of deer in a forest). It is a percentage of a species' total population that lives in a particular area of the world.
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all systems in the body are affected by bed rest or immobility. for the immune system, research has demonstrated that interleukin (il)-1, il-6, and tumor necrosis factor–alpha are increased during immobility or bed rest. what are these mediators associated with?
Findings suggest that IL-1 and TNF-alpha play an essential role in the acute stage of brain abscess development by regulating the subsequent anti-bacterial inflammatory response and they are increased during
What exactly are TNF and IL-6?
TNF-alpha and interleukin-6 are two cytokines that are important in the regulation of B-cell function (IL-6). They play different roles in B-cell differentiation and can be produced by B cells themselves when stimulated appropriately.
TNF and IL-1 are cytokines that are required for activating the innate immune response, mediating the recruitment, activation, and adherence of circulating phagocytic cells (macrophages and neutrophils), and terminating the innate immune response, respectively.
Therefore, IL-6 can promote the differentiation or proliferation of various non-immune cells.
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please help with this go understand!! can you answer the blanks also the ones that are filled too (they are probably wrong!)
The represented table is about the muscles, the proper working of the muscles, their structure as well as the types of the muscles.
What is muscle?Muscles has been defined as an action potential travels along the nerves to the muscle. The beginning of the muscle contraction occurs with the signal generated from the nervous system.
There are mainly two types of muscle contraction and the situation has been occur when the muscle has been contracted and a change in the size takes place. Isotonic concentric contraction has the type of muscle contraction in which muscle has been shortening takes place.
Therefore, The represented table is about the muscles, the proper working of the muscles, their structure as well as the types of the muscles.
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