Please answer quickly, timed test!!
Which term is correctly paired with its role in the body?
A) insulin – a sugar that regulates blood glycogen levels
B) ADP – a molecule that releases energy when it forms ATP
C) glycogen – a hormone found in blood that regulates blood glucose levels
D) glucose – a sugar found in blood that can be broken down to produce ATP
Changing the temperature or pH can change an enzyme's shape. Explain how changing the temperature or pH might affect the function of an enzyme.
Answer:
Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity.
Animals such as jellyfish and octopuses shoot water to propel them-
selves. What do their muscles act on?
If soil have all nutrients, then why do we need to replenish it.
Urgent!!!
Answer:
because when we griw theplants over there all the nutrition will be already consumed so, we need to replenish it time to time.
PLEASE QUICK!!!!
Complete the analogy
Cells : _______ :: Species : Population
Answer:
There are more but there is only one blank so,
The answer should be Organism (?)
money functions as:
multiple choice a unit of account. a medium of exchange. a store of value.
a unit of account and a medium of exchange.
Money serves as a means of exchange for goods and services and as a store of value that can be saved and used in the future.
It also functions as a unit of account by providing a common measure of value for goods and services in an economy. When money is used as a unit of account, it helps facilitate trade and commerce by providing a standard means of pricing and valuing different goods and services.
Additionally, money can also serve as a standard of deferred payment, allowing individuals to purchase goods and services on credit, with the expectation of paying back the money in the future.
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Full Question: money functions as:
multiple choice
a unit of account. a medium of exchange. a store of value.a unit of account and a medium of exchange.What inference is best supported by the data in the graph?
Answer:
not enough info
Explanation:
.A blockage in the internal iliac artery would impair blood flow to all of the following EXCEPT the ______
a) pelvic organs
b) pelvic wall
c) gluteal muscles
d) muscles of lower limbs and a small portion of the anterior abdominal wall
e) medial thigh
A blockage in the internal iliac artery would impair blood flow to all of the options listed except for the pelvic wall. The internal iliac artery is responsible for supplying oxygenated blood to various structures in the pelvis including the pelvic organs such as the bladder, rectum, uterus, and prostate gland.
As well as the gluteal muscles, muscles of the lower limbs, and a small portion of the anterior abdominal wall, and the medial thigh. A blockage in the internal iliac artery would result in decreased blood flow to these structures, potentially causing tissue damage and dysfunction. However, the pelvic wall is primarily supplied by other arteries such as the obturator and inferior gluteal arteries, and therefore would not be affected by a blockage in the internal iliac artery. It is important to note that a blockage in any artery can have serious consequences, and medical attention should be sought promptly if symptoms of impaired blood flow are experienced.
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Which type of population growth is shown in this graph?
A graph has time on the horizontal axis and population size on the vertical axis. The population size was constant for a period of time, increased rapidly, and then became constant again.
exponential
logistic
linear
limited
Answer:
logistic ..........mighi
Differences in traits, such as hair texture, are determined by differences in -
A. the location of sugar groups in DNA.
B. sequence of nucleotides in DNA.
C. the number of nitrogenous bases in DNA.
D. the molecules attached to the phosphate in DNA
Answer:
the molecules attached to the phosphate in DNA
After chylomicrons leave the intestinal cells, they are transported via what system?.
Answer:
They are transported to the circulatory system. They enter through the villi of the intestine, and the chylomicrons are then transported to the circulatory system from the lymphatic/intestine system.
If a strand has 10% cytosine, what percent will be adenine?
Answer:
40% of adenine is present
Explanation:
Which organisms were in a predator-prey relationship?a) Bottlenose dolphin and bigeye trevallyb) Jaguar and giant armadilloc) Sidewinder rattlesnake and cottontail rabbitd) Keyhole limpet and scale worme) Giant armadillo and giant anteater
Let's take a look at each interaction
a) Bottlenose dolphin and bigeye trevally compete for the same food.
b) Giant armadillo is an occasional prey of the jaguar.
c) Sidewinder rattlesnake is a predator of the cottontail rabbit.
d) Keyhole limpet and scale worm have a symbiotic relationship where they protect each other.
e) Giant armadillo and giant anteater are competitors because they both feed on ants.
2. describe fin placement as it relates to the maintenance of position in the h20 column and shark locomotion.
Fin placement plays a crucial role in the maintenance of position in the water column and shark locomotion. In sharks, there are various fins, including the dorsal, pectoral, pelvic, and caudal fins.
1. Dorsal fin: Positioned on the shark's back, it helps to maintain stability and prevent rolling.
2. Pectoral fins: Located on either side of the shark's body, they provide lift and assist in steering during swimming. These fins help maintain the shark's position in the water column by generating upward force.
3. Pelvic fins: Positioned near the rear of the shark, they help with stability and direction control.
4. Caudal fin: Located at the end of the shark's tail, it provides the main propulsion for locomotion. The side-to-side movement of the caudal fin propels the shark forward.
In summary, the strategic placement of fins on a shark's body allows it to maintain its position in the water column and efficiently move through the water. Each fin serves a specific function in providing stability, direction control, lift, and propulsion to enable smooth locomotion.
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In chemiosmosis, the most direct source of energy used to convert ADP Pi to ATP is energy released ________.
how might a karyotype used unethically
karyotype can be used unethically by-
Racially using human Karyotype to characterize race.by setting some parameters that is not legal when using karyotype base on certain factors by companies.The selection of Human based on aesthetics such as skin colour etc.The selection of Human because of only their gender.The use karotyping for extortion or gains obtained from people.Karyotyping is simply known as the process where the photographs of chromosomes are taken in order to known the chromosome complement of an individual, including the number of chromosomes and if an abnormalities exist.
Conclusively, Karyotyping is often used for the complete set of chromosomes in a species and also for a test that measures the number of Chromosomes.
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DNA is a type of biomolecule?
A. Nucleic Acid
B. Carbohydrate
C. Lipid
D. Protein
Answer:
A Nucleic Acid
Explanation:
I hope this helped :)
A
Explanation:
I think it's A because DNA stands for deoxyribo NUCLEIC acid :)
HELLPP! ITS BIOLOGY
Answer:
So that in a guinea pig cross in the offspring the recessive trait —long hair— can be observed in 25%, the most probable genotype of the parents is heterozygous Ss.
Explanation:
In guinea pigs, for the characteristic hair length, short hair is the dominant allele and long hair is the recessive one.
In order for 25% of the offspring to express the recessive characteristic, the parents must have a recessive genotype, which can be seen in Punnett's Square:
P: Ss X Ss
Alleles S s
S SS Ss
s Ss ss
Where the offspring is:
50% Ss with short hair phenotype 25% SS with short hair phenotype 25% ss whose phenotype would be long hair.According to this, heterozygous parents for the characteristic long hair in guinea pigs have a 25% chance of having offspring with long hair.
46. A sample of human DNA is made up of approximately 30% adenine. Based on
this information, and the base pairing rules, approximately how much cytosine
found in human DNA?
A 70%
B 20%
C 30%
D 10%
Help please
Answer:
its A/F
Explanation:
A sample of human DNA is made up of approximately 30% adenine. The quantity of cytosine found in human DNA will be 20%. The correct option is B.
What is DNA base pairing?DNA base pairing is the pairing or joining of DNA bases to each other with hydrogen bonds. There are four types of bases present in DNA. They are adenine, thymine, cytosine, and guanine.
Adenine pairs with thymine with double hydrogen bonds and cytosine joined with guanine with triple bonds of hydrogen. The pairing between these base pairs is alternated in the sequence of DNA.
According to the base pairing rule. There will be 100% of these bases present together. So if there is 30% adenine, there will be 30% thymine. The total becomes 60%. Now remain is 40%. So there will be 20 % cytosine and 20% guanine.
Thus, the correct option is B 20%.
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How does a ratio of surface area to volume describe a cell.
Answer:
As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.
Explanation:
Answer:
for me, the important point is that the surface area to the volume ratio gets smaller as the cell gets larger.
Explanation:
Which stimulus causes a responding plant to demonstrate phototropism?A. direction of lightB. intensity of lightC. length of the dayD. time of day
Phototropism is a response caused by a plant sensing the direction of light therefore the correct option is A.
Phototropism is a response to light stimulants, causing shops to grow in the direction of the light source. The most common cause of phototropism is the presence of blue and red light. When these light swells are absorbed by the factory, a hormone called auxin is touched off.
This hormone causes the factory cells on the shadowed side of the factory to lengthen, while the cells on the lit side remain the same. As a result, the factory will bend towards the light source. This bending movement is called phototropism.
Hence the correct option is A.
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What environmental input is necessary for the Calvin cycle reactions?
The environmental input that is necessary for the Calvin cycle reactions is carbon dioxide (CO₂). It is captured and utilized by the enzyme Rubisco to convert carbon dioxide into glucose during the process of photosynthesis.
The Calvin Cycle, also referred to as the dark reaction, C3 cycle, or carbon fixation, is a sequence of enzyme-assisted reactions that occur in the stroma of chloroplasts in photosynthetic organisms. The Calvin cycle is responsible for transforming carbon dioxide (CO₂) into a high-energy molecule, which is used to produce glucose. This procedure occurs in three stages: carbon fixation, reduction, and regeneration. Environmental input for Calvin CycleIn the Calvin cycle, carbon dioxide is required as an environmental input.
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non mendelian inheritance explain
Explanation:
Non-Mendelian inheritance refers to the inheritance of traits that have a more complex genetic basis than one gene with two alleles and complete dominance.
the step where the most atp is made is question 4 options: glycolysis krebs cycle oxidative phosphorylation fermentation
oxidative phosphorylation is the answer that fits the bill. Hence the correct option is D; The most ATP molecules are produced during oxidative phosphorylation because oxygen is used as the final electron acceptor, which results in the reduction of ATP to water.
An electrochemical gradient of 34 ATP molecules is created when electrons flow through a chain of cytochromes.
Because the citric acid cycle involves the cyclic passage of electrons via other intermediates including succinate, fumarate, and other compounds before returning to acetyl CoA, option an is wrong.
Because glycolysis only releases two ATP molecules along with pyruvate, option b is wrong. Four molecules of ATP are produced in total, but two molecules are used up in the process, leaving a net yield of just two molecules.
Because the bigger polymer of glucose is broken down into smaller monosaccharide units that are required in biological operations to create energy, option c—digesting starch to glucose—is wrong because digestion of starch needs ATP.
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Full Question :
Which of the following stages in the breakdown of the piece of toast you had for breakfast generates the most ATP?
a. the citric acid cycle
b. glycolysis
c. the digestion of starch to glucose
d. oxidative phosphorylation
two gems that need natural moisture to keep their beauty are pearl and
Two gems that need natural moisture to keep their beauty are pearl and opal.
What are pearls?A pearl is a gemstone that is formed in mollusks such as oysters and mussels. Pearls are formed when irritants such as parasites, sand, or other foreign items enter into the mollusk's shell and irritate the soft tissue that lines the shell, forming a protective coating around the irritant known as nacre. These layers add up over time to create a pearl. Pearls are highly valued due to their beautiful luster, which comes from the way they reflect light. They can come in a variety of colors, including white, black, pink, and gold.
What is an Opal?Opal is a semi-precious gemstone that is made up of silica, which is the same mineral found in quartz, sand, and glass. Opals are unique in that they have a play of color, meaning that they display different colors when viewed from different angles. This is due to the presence of microscopic silica spheres within the opal that diffract light. Opals can range in color from white to black, and they may have a transparent or translucent appearance. Opals are also prone to cracking or drying out, which is why they need natural moisture to maintain their beauty.
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which of the following substances is a provitamin or a precursor for a vitamin?
The substance that is a provitamin or a precursor for a vitamin is beta-carotene.
Beta-carotene is a substance that acts as a provitamin or a precursor for vitamin A. Provitamins are compounds that can be converted into active vitamins by the body through metabolic processes. In the case of beta-carotene, it is converted into vitamin A through enzymatic reactions. Vitamin A plays a crucial role in maintaining healthy vision, supporting the immune system, and promoting proper growth and development.
Beta-carotene belongs to a group of pigments called carotenoids, which are naturally occurring compounds found in fruits and vegetables. It is particularly abundant in brightly colored fruits and vegetables like carrots, sweet potatoes, spinach, and kale. When we consume these foods, our bodies convert the beta-carotene present in them into vitamin A as needed.
The conversion of beta-carotene to vitamin A occurs primarily in the small intestine and is facilitated by an enzyme called beta-carotene 15,15'-dioxygenase. This enzyme cleaves the beta-carotene molecule, producing two molecules of retinaldehyde, which is then further metabolized into the active form of vitamin A, retinol.
Beta-carotene is an essential nutrient for human health, and its conversion to vitamin A provides numerous benefits. Vitamin A is essential for maintaining healthy vision, especially in dim light conditions, as it contributes to the synthesis of a pigment called rhodopsin, which is necessary for the perception of light. It also plays a role in the growth and development of cells, supports immune function, and acts as an antioxidant, protecting cells from damage caused by harmful free radicals.
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Suggest reasons for the different rates of water conduction in the three trees
Answer:
it depends on the transpiration rates of the trees. and also the weather conditions like amount of sunlight.
Larynx is the common pipe for both food and oxygen. True or False
Answer:
True
Explanation:
Larynx is the area of the throat used for breathing, swallowing, and talking.
hello please help i’ll give brainliest
Answer:
living
Explanation:
Help me find the mutant RNA for the Mutant DNA. I can find the amino acids I just need the mutant RNA