Trans fat is cheap and can withstand multiple heating without breaking down.
Explanation:
Trans fat is made by adding hydrogen to unsaturated fats, that is hydrogen is introduced to vegetable oils .Big oil companies also spread that it is easily digestible, can be used. multiple times, etc Trans fat was cheap compared to animal fats in the market .Using trans fat instead of butter made a lot of sense to them.
Did T. Rex have hair?
Answer:
rex was covered in a coat of downy feathers
Explanation:
Some mammals did have hair but T. Rex mostly had feathers
Answer:
No, they did not have hair
identify the gland and hormone(s) affected by oophorectomy
The hormones affected by oophorectomy are estrogen and progesterone.
The gland affected by oophorectomy is the pituitary gland.
Explanation:
Oophorectomy is a procedure to remove one or both ovaries. It is done to prevent ovarian cancer or endometriosis.The ovaries make most of the body's estrogen. when ovaries are removed there will be a sudden drop in the estrogen levels. To tackle it, estrogen therapy is given.Due to the disruption of the Hypothalamus ovary connection. the Pituitary gland produces more Follicle-stimulating hormone (LSH), Luteinizing hormone (LH), Gonadotropins.Which model of the universe did the ancient Greeks believe to be correct. This is for the subject of earth science
Answer:
The Greeks believed in the geocentric model of the universe.
According to this model, the Earth was present in the center whereas the Sun, moon, other planets etc revolved around it. According to Plato, the Earth was spherical in shape and it did not move. Greek philosophers, such as Aristotle and Plato, believed the Earth to be the center of the universe. All other heavenly bodies orbited around the Earth according to the Greek philosophers.
The ultimate reason governments have made stricter laws concerning refuse disposal is that
O refuse attracts vermin
refuse is unsightly
refuse breeds disease
refuse smells terrible
Answer:
The correct option is C) refuse breeds disease
Explanation:
Refuse Disposal can be described as the act of disposing or discarding waste or recycling the waste. If the waste is not discarded properly and remains on streets or in lakes, then it stimulates the growth of infectious microorganisms. A wide number of diseases can be caused due to these infectious agents. Hence, the government of a country tends to make strict loss concerning refuse disposals. These laws maintain cleanliness and proper waste disposal in the country.
refuse breeds disease
Explanation:
polysaccharides such as starch, cellulose and glycogen are all composed of?
sucrose
glucose
fructose
Answer:
Poly-saccharines such as starch, cellulose and glycogen are all composed of glucose.
Explanation:
Polysaccharides are made of simple sugars like glucose called Monosaccharide’s . The smaller sugar are binded together by glycosidic bonds with the help of special enzymes creating a polysaccharides which is also called as glycan. Starch is polysaccharides formed by connecting glucose monomers of glucose together and is prepared from the excess of glucose produced in green plants during photosynthesis process.
Cellulose is the common materials that line along the cell wall of the pant which comprises of more than 3000 glucose units. The glycogen is the predominant form storage of glucose and carbohydrates in animals and humans. The glycogen is formed from the glucose in the food that the humans and animals consume.
the basic unit of matter is the molecule true or false?
Answer:
False.
Explanation:
The basic unit of matter is the atom.
Answer:
false
Explanation:
basic and structural unit of matter is atom
Which of the following is the best description of a prediction?
O
A. Your best guess as to what will happen next in a text
O
B. Asking many questions about the different things that you are
reading
O
C. Creating a summary in your head of the reading material
O
D. Making a mental image of what is happening in the text
Apex
A prediction is a forecast based on current knowledge or evidence, and among the choices, 'Your best guess as to what will happen next in a text' is the best description. It's related to a hypothesis but more specific, often taking the form of an if-then statement in scientific contexts. The correct answer to the student's question is option (A).
The best description of a prediction from the options provided is A. Your best guess as to what will happen next in a text. A prediction is essentially a forecast based on current knowledge or evidence. It can take the form of an if-then statement, which is often used in scientific contexts, such as If the student turns on the air conditioning, then the classroom will no longer be too warm. This is because a scientific prediction generally follows the logical structure of an hypothesis testing: if the condition A is true, then result B is expected to follow. However, in the context of reading comprehension, it is more about anticipating future events or information in a text, often without a strict if-then structure.
While hypotheses and predictions are related, a hypothesis is more of an informed speculation that forms the basis of an investigation, whereas a prediction is a more specific guess that can result from a hypothesis and is typically used to suggest what the findings of the investigation will be.
What are the properties of a useful model of global systems
Answer:
"A model that shows global systems, the processes that operate within each system and the ways those systems and processes interact."
Explanation:
In the global system mainly four types of models interact or co-ordinate between each other. When we take an example of the ecosystem, these four models can be predation, parasitism and herbivore. Interaction takes place in such a way that one model gets the benefits while the other one gets affected. But when talk about mutualism, both of them gets benefited from the interaction. The basis of the global system property is firstly made by the species interaction.
why can’t the mice population go over 400 in the hoots woods
Answer:
They might mess up everything
Explanation:
they might
Complete the following analogy.
Nucleus is to cell as ____ is to human body.
Brain
Heart
DNA
Answer:
brain
Explanation:
the nucleus controls the cell
Nucleus is to cell as brain is to the human body. Nucleus is known as the brain of the cell as it contains all the essential genetic information of the cell. Thus, the correct option is A.
What is Nucleus?Nucleus is a cell organelle which is present in all the cells. It is present mostly in the center of the cell surrounded with the endoplasmic reticulum.
Nucleus is known as Brain of cell as it contains the genetic information of the cell which is responsible for the replication of DNA, synthesis of RNA and the synthesis of proteins which are required for various purposes.
Therefore, the correct option is A.
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what cell structure are needed for photosynthesis and for respiration??
Answer: Chloroplast
Explanation:
Chloroplast is the organelle that is in the plant cell that uses photosynthesis and cellular respiration. I hope this helps!
Answer:
cellular respiration happen in the mitochondria. Mitochondria are the working organelles that keep the cell full of energy in a plant cell, chloroplast makes sugar during the process of photosynthesis converting light energy into chemical energy stored in glucose.
Two grizzly bears are fighting over a fish to feed themselves l. What kind of interaction is this scenario, which works as a limiting factor in a bears survival? 1.) apparent competition 2.) interference competition 3.) exploitation competition 4.) mutualism
Answer:
its interference compettion
Explanation:
PLZ HELP!!!
if the secondary consumer level of a trophic pyramid has 1000 kcal of energy, how much energy is required by the primary consumers to support this pyramid
A. 10 kcal
B. 100 kcal
c. 10,000 kcal
PLZZZZZZZZZZZ IM BEGGING YOU
The primary consumers require 10,000 kcal of energy to support the secondary consumer level that has 1000 kcal, based on the 10 percent energy transfer efficiency between trophic levels.
If the secondary consumer level of a trophic pyramid has 1000 kcal of energy, the amount of energy required by the primary consumers to support this pyramid is significantly higher due to the energy lost at each trophic level. According to ecological principles and the research conducted by Howard T. Odum in the Silver Springs ecosystem, there is a roughly 10 percent efficiency in energy transfer between trophic levels. Therefore, if the secondary consumers have 1000 kcal, then the primary consumers need 10 times that amount to maintain that level of energy, which is 10,000 kcal.
Hence, the correct answer is c. 10,000 kcal.
imagine you are a marine scientits. which of the following organisms would you warn people to avoid eating due to the risk of high levels of toxins in their bodies as a result of biomagnification
A. Algae
B. Phytoplankton
C. Small fish
D. Sharks mom
Eating sharks will be of maximum risk.
Option D.
Explanation:Biomagnification is a phenomenon where a toxin which is present in the environment is taken by smaller organisms and the concentration of toxins increase in concentration in higher tropic levels.
Suppose a toxin is present in sea water. It's taken by the small algae along with water which isn't metabolized by the algae, but stored in their body. Now these algae are consumed by small phytoplankton which consume a lot of algae, and the toxin present in their body, which again gets stored due to no metabolism. This even increases into smaller fishes, larger fishes and then into shark which has the maximum toxin concentration. So consumption of sharks will be of maximum health risk.
Increasing _______ the weights ofdistance betweenacceleration ofmasses of two objects will cause the gravitational force between the objects to decrease.
A. weight of
B. distance between
C. Acceleration of
D. masses of
In your own words Describe how autotrophs and heterotrophs obtain energy. please this answer must be at least 150 words any one will answer it I will mark it as brainliest.
The autotrophs are the primary producer in the food chain and they are the ones who initiate the food chain. They produce food by using sunlight or sometimes chemical energy or reactions. They primarily use carbon dioxide, sunlight and water to form sugars or carbohydrates which become their energy source. They use the process of photosynthesis or chemosynthesis to generate food. Examples of autotrophs are green plants, green algae, bacteria.
Heterotrophs cannot make their food via sunlight or other inorganic sources and hence are dependent on the autotrophs or other animals. The heterotrophs have been ranked as secondary and tertiary consumers and cannot be producers. They consume the organic products made by autotrophs to obtain energy for various metabolic and biological activities. The heterotrophs can be herbivore, carnivore, fungi, parasitic plants.
Some are photo-hetrotrophs, who use light as energy but cannot use carbon dioxide as the carbon source since they cannot fix the carbon like autotrophs.
D. Infrared light
5. Which electromagnetic wave produced by celestial bodies passes freely though Earth's atmosphere?
A. Ultraviolet light
Answer:
A. Ultraviolet light
Explanation:
Ultraviolet light
How will you prove that the food stored in leaves os starch
Answer:
To prove the food stored in leaves is starch "we will use a iodine indicator, if the leaf turn blue-black then it is confirmed that the leaf has starch. "
Explanation:
To prove the stored food in leaves is starch, first we will take a leaf, then we will treat the leaf in hot water followed by alcohol. The leaf will die when comes in contact with hot water and the alcohol will help us in the break down of the chlorophyll. Which will fade the green color. Now, we will put iodine, which we use as an indicator in the leaf, when it turn blue-black, it is confirmed that starch is present in the leaf. Sometimes the leaf will turn reddish brown, which depicts the absence of starch.
What additional characteristic (x) belongs in the central section of the above venn diagram? F. Ribosome G. Mitochondria H. Chloroplast J. Endoplasmic reticulum
Explanation:
F. Ribosome
Around the endoplasmic reticulum, proteins are transported. The Endoplasmic Reticulum is a cytoplasmic membrane network. This continuous method not only raises the surface area within the cell but also conducts protein folding, synthesis, and transport.
Further Explanation:
Free ribosomes synthesize most proteins that operate in the cytosol (such as actin) or nucleus (such as DNA polymerase). Proteins that act within the endomembrane system (such as lysosomal enzymes) or those that are intended for cell secretion (such as insulin) are synthesized in the rough endoplasmic reticulum ER by bonded ribosomEs.
The rest of the ER that doesn't include ribosomes is called the smooth ER, and may contain lipids, enzymes, and other proteins. The first amino acids in the that polypeptide chain serve as a signal sequence as a protein bound for the endomembrane system is being synthesized by a ribosome. The signal sequence ensures that the ribosome binds to the ER's outer membrane and the protein gets into the ER lumen.
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which did scientists know about molecular genetics in the early 1900s?
Answer:
Chromosomes, Mutation, and the Birth of Modern Genetics: Thomas Hunt Morgan. In 1900 several scientists across Europe came to the same realization about heredity that Mendel had some 40 years before. But they arrived at the discovery from a very different direction.
Explanation:
Answer:
A. Chromosomes carry genetic information.
Explanation:
3. Which is not a particle within an atom?
Answer:
an ion
Ion is smaller then all them and doesn't belong here.
what aparatus do i need to test is a potato tuber cell conains chloroplasts
Potato tuber cells do not contain chloroplasts as they are grown inside the soil so no sunlight is required so no chloroplasts.
Explanation:
Instead of chloroplasts potato tubers consists of amyloplasts. In all plant cells, plastids are always there. They are required as it is the place where amino acids and fatty acids are made. Amyloplasts are the place of starch synthesis in non-green plants.
If you place the potato tuber in sunlight the amyloplast may get converted to chloroplasts.
A hand-held SPAD-502 plus chlorophyll meter device is to check the chloroplasts.
root vegetables, such as carrots, are classified as what type of of root system?
a. fibrous root system
b. nutritious root system
c. dermal root system
d. taproot system
Answer and Explanation:
root vegetables, such as carrots, are classified as what type of of root system? taproot system.Taproot system is one of the three major types of rooting systems found in plants including adventitious root system and fibrous root system. Taproots arise from the radicle of a germinating embryo. The radicle of many plant species dies soon after maturation and, hence, the taproot gets converted into the fibrous root system in the later stages.
Answer: d Taproot system
Explanation:
1. James Hutton developed the principle of uniformitarianism. Which
of the following statements best describes that principle?
A. It was developed based on observations of living
organisms.
B. Since Hutton was a geologist, the principle had no
influence on Darwin's work.
C. It proposed that the processes that shaped Earth in the
past no longer occur today.
D. It proposed that Earth was shaped by the same physical
processes in the past as it is in the present.
Answer:
D is the correct answer not B or c or a.
Explanation
The principle of uniformitarianism, developed by James Hutton, is best described as the concept that the same geological processes shaping Earth today have also shaped it in the past.
Explanation:James Hutton developed the principle of uniformitarianism. The statement that best describes this principle is: D. It proposed that Earth was shaped by the same physical processes in the past as it is in the present. The principle of uniformitarianism asserts that the geological processes we observe shaping the Earth today, like erosion and sedimentation, have worked in much the same way throughout Earth's history. This idea contradicts the view that the Earth's features were formed by sudden, catastrophic events that do not occur in the present. Hutton's concept strongly influenced Charles Lyell, a friend and influence on Charles Darwin, who applied the principle to his theory of evolution, suggesting that slow and gradual changes in species could occur given enough time, much like the geological processes.
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Where do animal cells get the molecules, such as proteins, that they use for growth, repair and other life processes?
Animals get protein from diet.
Explanation:Proteins are one of the important part of diet which constitute about one fifth of an ideal diet. This proteins are formed of amino acids. There are 20 amino acids in nature, of which 9 are essential amino acids and 11 are non essential amino acids. The non essential amino acids are prepared in our body by enzymes. But the essential amino acids are needed to be supplied from outside via diet to get access to. So proteins are needed to be present in diet.
Answer:
The cells make them from materials the animal takes in from the environment.
Explanation:
A doctor diagnoses a patients liver cells as being 3 times their normal size. Describe 2 ways this would affect the function of these cells
Answer:
Enlarge liver cells may leads to a disease called hepatomegaly, is a condition where the size of liver is increased. Some times, spleen may also enlarge along with liver cells.
Explanation:
Enlarge liver can cause several symptoms like-
DiarrheaBleeding gum Disbalance in hunger.VomitingNauseaAffects the digestive tractAbnormal swellingSwollen abdomenFeverHallucinationsThis disease is mainly caused by excessive consumption of alcohol, congestive heart fatigue,liver cancer, fat in liver,disease cause by glycogen storage.
In which way does mining help society?
O
A. A single mine can dispiace wildlife for decades.
O
B. Minerals and energy resources are extracted.
O
C. Underground mining can be dangerous for workers.
O
D. Mines produce waste materials that enter ecosystems.
SUBM
Answer:
Explanation:
The only answer that helps society is B
Minerals and energy resources are extracted.
Answer:
B. minerals and energy resources are extracted
Explanation:
i just took it
Which is an example of a scientific hypothesis?
Answer:
When you have "if" and "then" in the assumptions
Explanation:
example: "If I give a plant an unlimited amount of sunlight, then the plant will grow to its largest possible size."
A good scientific hypothesis gives a relationship between the variables. An example will be "a certain type of mango has a gene for orange pigment, that mango will be orange coloured". This is then proved by experiments.
What is a scientific hypothesis?A defined idea whose validity or applicability can be tested using defined scientific experiments is called a scientific hypothesis. The scientific hypothesis has always undergone several processes of test and evaluation. It is always presented in such a way that it can be proven to be wrong. That means it must be falsifiable.
Science is a continuous process of using data to understand the various phenomena of the world. Nothing in the world of science can be considered absolute.
A scientific hypothesis is just a carefully worded statement of an idea that has to then undergo various experiments, and tests and face scientific argumentation in order to be proven valid.
Therefore, a good scientific hypothesis example will be "a certain type of mango has a gene for orange pigment, that mango will be orange coloured".
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List and describe the four parts of a hen eggs. Where is the fat located in an egg?
A hen's egg consists of the shell, egg white or albumen, yolk, and chalaza, with the yolk containing most of the egg's fat.
Explanation:There are four main parts to a hen's egg:
The shell provides protection and is mostly made of calcium carbonate.The egg white, or albumen, contains water and proteins and serves to protect the yolk and provide additional nutrients.The yolk contains the majority of the egg's fat and is rich in proteins, fat-soluble vitamins, and essential fatty acids.The chalaza, which are cord-like structures that hold the yolk in the center of the egg white.The majority of the fat in an egg is located in the yolk.
in multicellular organisms, life begins as a single cell until blank occurs
In multicellular organisms, life begins as a single cell until fertilization occurs.
Explanation:
In a multicellular organism, the gametes, that is haploid (single-celled n) eggs (female) and sperm cells (male) are fused by fertilization to form the zygote (2n). The zygote then undergoes several cycles of divisions to become an embryo and then foetus. After gestation, a full multicellular organism is formed.
All multicellular organism are started from single cells or germ cells from each parent.