Which are three requirements for forming petroleum?
Answer:
i think it is oxygen, heat, steam heat.
Explanation:
What is produced at divergent plate boundaries?
a. Mountains
b. Oceans
c. New seafloor
d. Earthquakes
Answer:
new seafloor
Explanation:
The graphic shows the citric acid cycle. A diagram of the citric acid cycle is shown. Acetyl C o A enters the citric acid cycle and combines with a 4-carbon compound to form citric acid. During the citric acid cycle, what happens to acetyl-CoA? It enters the citric acid cycle and gains carbon dioxide to form citric acid, and gains more carbon dioxide through redox reactions to form a 4-carbon molecule. It enters the citric acid cycle and associates with a 4-carbon molecule, forming citric acid, and then through redox reactions regenerates the 4-carbon molecule. It enters glycolysis and associates with a 5-carbon molecule through redox reactions, forming another acetyl-CoA molecule. It enters the citric acid cycle and associates with a 4-carbon molecule, forming a 5-carbon compound, and then through oxidation reactions regenerates the 4-carbon molecule.
Answer:
It enters the citric acid cycle and associates with a 4-carbon molecule, forming citric acid, and then through redox reactions regenerates the 4-carbon molecule.
Explanation:
Acetyl-CoA(2C) associates with oxalacetate(4C) to form citric acid(6C). Then through redox reactions, CO2 molecules result from decarboxylation (COOH becomes R-(R1)CH-R2). And through dehydrogenation H2 molecules are incorporated in NADH+ in FADH2, resulting in the 4-carbon molecule at the beginning (oxalacetate). That's why it's called a cycle(Kreb's cycle or citric acid cycle)
In the citric acid cycle, when acetyl-CoA enters the cycle, it associates with a 4-carbon molecule (Oxalacetate), forming citric acid, and then through redox reactions regenerates the 4-carbon molecule (Oxalacetate).
--------------------
The resumed steps of the Citric acid cycle are as follows,
1) Acetyl CoA joins an oxaloacetate molecule, which is a 4C molecule. They release the CoA group and form a 6C molecule called Citrate.
Acetil CoA + Oxalacetato → Citrato + CoA group
2) Citrate turns into an isomere Isocitrate
3) Isocitrate oxidates and release 1 CO₂ molecule, producing an α- ketoglutarate molecule -this is a 5C molecule-. Meanwhile, NAD+ reduces to NADH.
Isocitrate + NAD+ → α-cetoglutarate + CO₂ + NADH
4) α-ketoglutarate oxidates and release 1 CO₂ molecule, producing a 4C molecule, which joins a Coenzyme A producing Succinyl-CoA. Meanwhile, NAD+ reduces to NADH.
α-cetoglutarate + NAD+ → 4C molecule + CO₂ + NADH
4C molecule + Coenzyme A → Succinil-CoA
5) CoA from Succinyl-CoA is substituted with a phosphate group, which then forms ATP. The final product is Succinate and ATP
Succinyl-CoA + Phosphate group + ADP → Succinate + ATP + CoA
6) Succinate oxidizes and forms Fumarate, a 4C molecule. FAD+ forms FAH₂
Succinate + FAD+ → Fumarate + FADH₂
7) A water molecule and Fumarate produce Malate, which is another 4C molecule
Fumarate + H₂O → Malate
8) Finally, malate oxidizes and oxalacetate regenerates -the initial 4C compound-. NAD+ reduces to NADH.
Malato + NAD+ → Oxalacetate + NADH
So, when acetyl-CoA enters the cycle, it associates with a 4-carbon molecule (Oxalacetate), forming citric acid, and then through redox reactions regenerates the 4-carbon molecule (Oxalacetate).
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Complete each statement with the correct term from the drop-down menu.
Many molecules are moved through the body by
.
provide structure for plants.
determine what people look like.
Cells are surrounded and protected by
.
speed up chemical reactions in the body.
Hemoglobin, a protein, is built by
.
The human body is insulated by
Answer:
1. Proteins
2. Carbohydrates
3. Nucleic acids
4. Lipids.
5. Proteins
6. Nucleic acids
7. Lipids
Correct on edge 2020!!!
How can ocean pollution be controlled?
Answer:
You could start a group and pick up trash from the ocean and inform people that if we throw trash in the ocean sea animals can die and the ocean will be dirty and one day we will have no water left to drink if all water is dirty
Explanation:
No explanation
Earth's magnetic field is created by the bar magnets reaction forces gravitational forces flow of electric charges
Answer:
The correct option is;
Flow of electric charges
Explanation:
The movement of the enormous quantities of molten metals in the Earth's outer core generates electric current which travel several thousands of miles per hour due to the axial rotation of the Earth results in the metallic particles being lined up and generating very strong magnetic fields (due to dynamo effect) that extends all over the planet and into space.
Answer:
D. flow of electric charges
Explanation:
Thylakoids contain clusters of chlorophyll and proteins known as . They absorb sunlight and generate high-energy that pass along the .
Answer:
1) Photosystems
2) Thylakoid membrane
Explanation:
Photosynthesis is an important phenomenon for the cells of autotrophic organisms like green plants. It is the process through which they obtain their energy source. Photosynthesis, which consists of two stages, occurs in the Chloroplast of the cell.
The light dependent stage occurs in the thylakoid lumen of the CHLOROPLAST while the light independent stage occurs in the stroma. The thylakoid is a membrane-bound sac usually organized in stacks called GRANA.
The Chlorophyll pigment, which captures the photon of light needed for the photosynthetic process, is contained in the thylakoid. Also, embedded in the thylakoid space are protein complexes called PHOTOSYSTEMS, which are involved in the capturing photons of light and transferring of electrons. The Photosystems 1&2 are the functional units of photosynthesis.
The high energy generated by the Photosystems are transferred from one electron carrier to another along the thylakoid membrane in order to generate ATP and NADPH. This process is called Electron transport chain.
Thylakoids are the membrane-bound structures present within chloroplasts of the plant cell. Thylakoids consist of photosystems and are surrounded by the thylakoid membrane.
The correct blanks for the given statement are:
Thylakoids contain clusters of chlorophyll and proteins known as photosystems. They absorb sunlight and generate high energy that passes along the thylakoid membrane.
Photosystems in the thylakoids are the structural and functional protein complexes, which play a crucial role in performing photosynthesis. These systems are present along the thylakoid membranes, and carry out the primary photochemistry of photosynthesis.
The thylakoid membrane is involved in the light-dependent reactions of photosynthesis. The membrane absorbs light energy and is then converted into chemical energy. The high-energy generated is passed along the thylakoid membrane.
Therefore, the correct answers are photosystems and thylakoid membrane.
To know more about thylakoid, refer to the following link:
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natural selection occurs at the organizational level to
Answer:
B) population
Explanation:
Acts on phenotypes on the individual level but evolution is at the population level. Microevolution is evolution at the population level
Hope it helps you
Write any five points which helps everyone to orgasms faster.
Answer:
Here are my five -hot -cute -pretty -charming -gorgeous
Explanation:
-Hot = if she's hot she will make you wet
-Cute = if she's cute she will make your thing stick
Pretty = if she's pretty she's tolerable
charming = great vibes
gorgeous = makes you hard
Can chickens
and ducks
live
together?
Answer:
no chickens and ducks not together live
Answer:Yes
Explanation:
I had my chickens and duck live together for a long time. The ducks might try to peck the chickens but it is just them figuring out the pecking order. Hope this helps!
What is a monomer of a protein?
Answer:
A monomer is a molecule that can be bonded to other identical molecules to form a polymer
Amino acids are the monomers that make up proteins.
which of these changes in the food web would cause a decrease in the population of bald eagles
The correct answer is C. A decrease in the population of sea ducks
Explanation:
Food webs are diagrams that represent the relationship of organisms in an ecosystem by showing feeding or predatory relationships. This means food webs show which organisms eats another organism. In the case of the food web presented, this shows bald eagles fed on sea ducks and large piscivorous fish, this implies for survival bald eagles need from these two organisms. In this context, a decrease in the population of sea ducks (option C) would cause a decrease in the population of eagles because fewer sea ducks imply less food for eagles, and therefore fewer resources to survive.
What happens when organisms populate a new area and are isolated geographically from other populations of the same species?
Answer:
The geographically isolated population will acquire genetic differences that eventually will lead to its speciation
Explanation:
Geographic isolation is a biological process produced by the physical separation between organisms of the same species, which may be caused by different types of geographical barriers such as, among others, mountains, earthquakes, rivers, etc. Geographic Isolation produces genetic differences between the separated groups. Over time, these genetic differences will lead to the reproductive isolation of the new population, thereby leading to the formation of a new species in the course of evolution, in a mechanism referred to as speciation.
3) Because cardiac muscles are mechanically, chemically, and electrically connected to one another, cardiac muscle tissue functions like a single enormous muscle cell. For this reason, it is called a functional ________.
Answer: FUNCTIONAL SYNCYTIUM
Explanation: The cardiac muscles are the Pericardium (outermost), Myocardium (middle) and Endocardium (innermost) though three(3) in number but they work as a unit,this functional unit starts with the action of the pacemaker cells,the Sinoatrial nodes,Atrioventricular nodes, bundle of his,bundle branches/purkinjes fibers.
The contraction of the heart muscles relies on impulses from the nervous system and the contraction is coordinated and rapid inorder to bring about a uniform conduction of blood into, through and out of the heart.
What is a ‘control’ in an experiment
Answer:all the things that you keep the same in the experiment
Explanation:
For a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes based on the independent assortment of chromosomes during meiosis
Answer:
About 8 million
Answer:
About 8 million
Explanation:
Why does mensuration occurs?
Explanation:
Mensuration is a natural process in which there is discharge of dead endometrial cells, unfertilized ovum, blood from broken capillaries and mucous membrane from uterus every month. As it is a natural process, it occurs every month to discharge the unwanted substances from our body. It makes our body free from the unwanted substances which can cause infection. It releases the unfertilized hormones prodoced in uterus of female.
hope it helps...
Mendel’s pea plants had either purple or white flowers. This means that the plants A)can self-pollinate. B)have two recessive traits. C)have two alleles for the gene. D)have two copies of a gene from one parent.
Answer: C) Have two alleles for the gene
Explanation:
Mendel’s pea plants had either purple or white flowers. This means that the plants have two alleles for the gene.
What were the two colors of Mendel's pea plants?Pea colour (green or yellow) Pod shape (constricted or inflated) Pod colour (green or yellow) Flower colour (purple or white).
Thus, option "C" is correct.
To learn more about alleles click here:
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Please help me.. ty if you do
Chloe is studying the effect a certain kind of fungus has on bacteria. Which of the following could be her hypothesis?
"I notice that when a certain fungus is present in a bacterial culture, the bacteria do not grow".
"Based on my tests, I realize that this fungus kills bacteria".
"I predict that the bacterial cultures in which I place this fungus will not grow".
"I propose that this fungus somehow kills bacteria."
Answer:
I propose that this fungus somehow kills bacteria
Explanation:
you rule out 2,3 because a hypotheses has not yet been proven therefore it is not certain
while in 1 in some cases the bacteria can also over power and kill the fungi using genes
but I chose 4 since fungi lack chloroplasts so they feed of ready made food and bacteria can be autotrophic therefore can manufacture food and so the fungi digests the bacteria in the process of trying to acquire the food since they don't have cell walls I guess
which following pairs of body functions are normally involuntary actions but can be controlled voluntary for a short periods of time
Explanation:
Medulla oblongata controls consciousness and arousal (the reticular formation) and its three vital reflex centers control the blood vessels diameter, heartbeat and breathing rate (the involuntary actions). This makes option D correct. The lower part of brain stem forms the hind brain which comprises of medulla oblongata, pons and cerebellum. This makes option C incorrect as medulla is not part of forebrain. Cerebellum is the convoluted subdivision of brain stem and is associated with coordination of muscular movement, muscle tone and balance i.e. the voluntary actions. Option B is incorrect. Spinal cord, along with brain, forms central nervous system which serves to integrate the sensory inputs from internal and external environment as received by sensory neurons and process and finally transmit the nerve impulses to effectors (muscles and glands). This makes option A incorrect.
The function of hemoglobin is to The function of hemoglobin is to stimulate erythropoiesis. carry dissolved blood gases. carry bicarbonate ion. produce antibodies. aid in the process of blood clotting.
Answer:
Carry dissolved blood gases
Explanation:
Haemoglobin is a protein usually found in the red blood cells and is said to be what give the blood its characteristics red color.
Haemoglobin is a protein that also contain some iron atoms which binds oxygen; a gas to itself and aid in the transport of oxygen from the lungs in some group of animals and gills in others to the rest of the body allowing for aerobic respiration to occur in the body.
abstract excretion in animals
Given that,
Abstract excretion in animal,
Excretion in animal :
Excretion in animal is defined as the elimination of metabolic,or nitrogenous waste products from the body of an organism.
Type of excretion are,
(I). Ammonotelism
In this type of excretion the excretory product is ammonia.
(II). Ureotelism
In this type of excretion the excretory product is urea.
(III). Uricotelism
In this type of excretion the excretory product is uric acid.
(IV). Aminotelism
In this type of excretion the excretory product is amino acid.
(V). Guanotelism
In this type of excretion the excretory product is guanine.
What are molecular clocks used for
A- to cure hereditary disease
B- to classify
C- to locate fossils under water
D- to compare homologous structures
Answer:
D
Explanation:
Which description refers to fog? burns off when it gets dark extends up to 10 miles into the sky is found in areas near bodies of water forms when the ground warms at night after a cool, dry day
Answer:
forms when the ground warms at night after a cool, dry day
Explanation:
fog forms when the ground is cooler then the air around it
Answer:
[tex]\large \boxed{\mathrm{is \ found \ in \ areas \ near \ bodies \ of \ water}}[/tex]
Explanation:
Fog forms when water vapor condenses to tiny droplets of water. The moisture that creates fog is produced from nearby or at bodies of water.
Ari drew a diagram to show organisms in an ecosystem. What did Ari draw?
Answer:
food web
Explanation:
Food web is an interconnection and assimilation of different good chains. Many food chains are interlinked a hence a food web is created. This represents what is eaten by which organism. The diagram that Ari had drawn is a diagram of a food chain. The grass is the primary source of food in the food web. Rabbit, Mouse, and grasshopper are the animals that eat the grass. The grasshopper is eaten by a shrew and a mouse. The rabbit and shrew are then eaten by the fox. A mouse is eaten by a snake and a fox. This is the diagrammatic representation of a food web.
Answer:
food web
Explanation:
A critical biotic factor in Yellowstone National Park is
A. high elevation
B. high temperatures in the summer
C.population of wolves
form
D. proximity to water
Answer:
A
Explanation:
Even after Timon read "Psychedelics for Dummies," he was unable to produce LSD in the lab. He decided he would have to find a hallucinogen naturally. Therefore, he should look for which naturally occurring hallucinogen?
Answer:
The correct answer is - Psilocybin , Mescaline and LSD
Explanation:
Hallucinogens are various drugs or medications that change an individual's awareness with their environmental factors just as their own contemplations and emotions.
A hallucinogen is a psychoactive medication or drug that regularly or normally causes hallucination, perceptual peculiarities, and other significant subject changes in thought, feeling, and cognizance that are not ordinarily experienced to such degrees with different classes of medications. these could be synthetic or naturally occurring. The natural occurring hallucinogens are Psilocybin , Mescaline and LSD and other
Thus, the correct answer is - Psilocybin , Mescaline and LSD
Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light. It will flower if exposed to 16 hours of dark and 8 hours of light. However, if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower. What triggers cocklebur to flower
Answer:
Photoperiodism
Explanation:
The process explained in the question is called "Photoperiodism" which refers to the plants' reaction to the length of the dark and light period in a day.
When the dark period is interrupted with a certain period of artificial lighting, the plant thinks that the day had a longer period where it's "light" than it is "dark" so it gets tricked into flowering. Same concept can be applied in reverse for the plants who flower during longer periods of dark.
I hope this answer helps.
Fill in the blanks below with apropriate words:
a. Mentalis
b. Masseter
c. Frontalis
d. Sternocleidomastoid
e. Stylohyoid
f. Zygomaticus major
g. Digastric
h. Orbicularis oris
i. Hyoglossus
1. ____________elevates and protrudes lower lip.
2. _____________is a major chewing muscle.
3. _____________ raises the eyebrows. Sternohyoid .
4. _____________originates on the sternum and clavicle.
5. _____________one of the smiling muscles.
6. _____________consists of two bellies.
7. _____________depresses the tongue.
Answer:
1. Mentalis
2.Masseter
3. Frontalis
4. Sternocleidomastoid
5. Zygomaticus major
6. Digastric
7. Hyoglossus
Explanation:
1. Mentalis is a muscle which elevates and protrudes lower lip.
2. Masseter is a major chewing muscle. It is essential for mastication of substances in the mouth.
3. Frontalis raises the eyebrows.
4. Sternocleidomastoid originates on the sternum and clavicle.
5. Zygomaticus major is known as one of the smiling muscles. It is responsible for smiling and facial expressions.
6. Digastric consists of two bellies which are muscle masses and it is found between the jaw and skull.
7. Hyoglossus originates from the hyoid bone and it depresses the tongue.
10.La respiración vegetal involucra un conjunto de reacciones celulares por las cuales carbohidratos sintetizados por la fotosíntesis son oxidados a C02 y H20. En este proceso, la energía liberada se transforma en Su mayoría en ATP y compuestos de carbono intermediarios precursores de la síntesis de aminoáci- dos y compuestos nitrogenados derivados, entre otros. Podemos deducir de lo anterior que en el proceso de crecimiento de las plantas, la fotosíntesis y la respiración A. Se complementan en beneficio del crecimiento de la planta. B. Son procesos independientes para asegurar la subsistencia de la planta. C. Se alternan para garantizar que la planta tenga energía en todo mo- D. Ocurren simultáneamente para que permanentemente.
Answer:
La opcion mas correcta seria : "Se complementan en beneficio del crecimiento de la planta"
Explanation:
En la respiracion de los vegetales o plantas, obtienen como resultado dioxido de carbono y agua, estos dos productos luego son utilizados en la fotosintesis para poder formar la unidad energetica que es la glucosa y asi generar el autoabastecimiento alimenticio.