Answer : Endocrine glands secrete hormones into the blood stream while exocrine glands have ducts and secrete non hormonal substances such as tears or oil or sweat. Hormones are chemicals responsible for regulating the metabolic functions of cells in the body and drain into the bloodstream and the lymphatic system.
Explanation:
explain how enzymes increase the speed of chemical reactions
Answer: Hey! So, enzymes are classified as biological catalysts. "Catalysts" tend to lower the activation energy for chenical reactions, and the lower the activation energy for a chemical reaction, the faster the rate! So, enzymes speed up reactions by lowering activation energy
Answer:
Lowering the activation energy.
The backbone of DNA and RNA is composed of ___
. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are _____
. Uracil is a ___
The backbone of DNA and RNA is composed of sugar molecules. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nitrogen bases. Uracil is a nitrogen base found in RNA.
What are DNA and RNA?DNA and RNA are nucleic acids that are composed of linear chains of nucleotides. In RNA, the Uracil nitrogen base in the nucleotide sequence replaces the Thymine nitrogen base found in the DNA sequence. Both nucleic acids contain pentose sugar, i.e., ribose in RNA and deoxyribose in DNA.
Therefore, we can conclude that DNA and RNA are formed by nucleotides that contain different nitrogen bases and sugar pentose molecules.
Complete question:
Fill in the blank. The backbone of DNA and RNA is composed of ___. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are _____. Uracil is a ___
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please help im crying so much
In mammalian females, the majority of one X chromosome's genes are shut down in a process called X chromosome _____. The inactive X is condensed and afterwards called a _____. Because the shutdown is random in the embryonic cells formed by the time inactivation occurs, all mature mammalian females are a
_____ for the expression of X chromosome genes. The inactivation of one X in the female is thought to balance gene expression between males and females, a theory called _____. The shutdown of the X chromosome is accomplished by the
______ gene. _____ is the master gene for male sex determination in mammals and is found on the human Y-chromosome.
In mammalian females, the majority of one X chromosome's genes are shut down in a process called X chromosome inactivation. The inactive X is condensed and afterwards called a barrbodies. Because the shutdown is random in the embryonic cells formed by the time inactivation occurs, all mature mammalian females are a inactivate for the expression of X chromosome genes. The inactivation of one X in the female is thought to balance gene expression between males and females, a theory called X-inactivation/Lyonisation. The shutdown of the X chromosome is accomplished by the Xist gene. SRY is the master gene for male sex determination in mammals and is found on the human Y-chromosome.
change in heart rhythm due to respiration is called:
The change in heart rhythm due to respiration is called respiratory sinus arrhythmia. It is a normal physiological phenomenon that causes the heart rate to increase during inhalation and decrease during exhalation.
This occurs due to the interaction between the respiratory and cardiovascular systems and is mediated by the vagus nerve. Respiratory sinus arrhythmia is more pronounced in children and tends to decrease with age. It is usually harmless and does not require any treatment. However, in some cases, it may be associated with certain medical conditions, such as autonomic dysfunction or heart disease, and may require further evaluation by a healthcare professional.
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What causes wind formation?
A: the constant density of air
B: the temperature differences in the hemispheres
C: the turning of circulating air vents
D: the movement of the earth on its axis
Answer:
its either "the turning of circulating air currents" or "A"
SORRY ITS BETWEEN THESE 2
Explanation:
Wind forms when the sun heats one part of the atmosphere differently than another part. This causes expansion of warmer air, making less pressure where it is warm than where it is cooler. Air always moves from high pressure to lower pressure, and this movement of air is wind.
Wind formation is the result of the temperature differences in the hemispheres. The correct option is B.
Temperature differences occur because of the unequal heating of the Earth's surface by the Sun.
Because of this, warm air rises from low-pressure regions where the surface is heated more intensively, while cooler air descends into high-pressure regions where the surface is relatively cooler.
We experience wind as a pressure gradient caused by air moving from areas of high pressure to areas of low pressure.
Option D mentioned how the Earth rotates on its axis influences wind production.
The moving air is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere due to the Coriolis effect, which is brought on by the Earth's rotation.
Thus, the correct option is B.
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Chromosomes are pulled apart by the spindle fibers during
Answer:
Chromosomes are pulled apart by the spindle fibers during Anaphase 1
Explanation:
In anaphase I, the attachment of the spindle fibers is complete. The homologous chromosomes are pulled apart and move towards opposite ends of the cell.
the head of the humerus fits into the ________ of the scapula.
The joint most people picture as the shoulder is the glenohumeral joint. A shallow cup-shaped socket (glenoid) in the scapula and a ball (head) at the top of the humerus fit together to form the joint, allowing for a large range of motion.
What is Shoulder Anatomy?Scapula, which is the shoulder blade, clavicle, and humerus are the three bones that make up the shoulder (upper arm bone). The acromioclavicular joint, where the highest point of the scapula (acromion) meets the clavicle, and the glenohumeral joint allow the shoulder to move.The smooth, elastic cartilage that covers the surfaces of the bones where the ball and socket meet allows the joint to move freely and absorbs trauma.The shallow shoulder socket necessitates a reliance on the soft tissues around it to support the joint and keep the parts secured. In order to construct a protective capsule that is lined with a thin membrane known as the synovium, many of these soft tissues surround the joint.For the purpose of lubricating and cushioning the joint, the synovium secretes a fluid called synovial fluid.The labrum, a fibrous ring of cartilage that surrounds the glenoid, or shoulder socket, creates a deeper socket for the ball to stabilize the joint. The rotator cuff is a network of muscles and tendons that covers the top of the humerus, or upper arm bone, to hold it in place and allow the arm to rotate. The deltoid, the shoulder's largest and strongest muscle, gives the arm the strength to lift.the forearm may rotate and the elbow can bend thanks to the biceps muscle, which is attached to the biceps tendon that originates at the top of the shoulder socket.To Learn more About shoulder refer to:
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what activities threaten global forests? what steps can be taken to preserve them?
Purchase goods that are certified or beneficial to the environment, such as shade-grown coffee. are to be done to preserve the forests.
Help stop deforestation by making significant use of your purchasing power. 80 percent of global deforestation is caused by agriculture, with logging and mining also playing a part. The trees that thrive in locations with heavy precipitation—roughly 175–200 cm per year—are known as rainforests. As a result of the dire need for pastoralist land and wood, over half of the rain timbers have been destroyed. Mining operations completely fell trees in order to excavate mines, whereas logging interests just chop down rain timbers for lumber. Flooding caused by hydroelectric installations decimates long swaths of rain forest. Another major issue is the design of the roads.
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FILL IN THE BLANK. if a sperm cell contains 8 chromosomes, it comes from an animal that has ______ chromosomes.
If a sperm cell contains 8 chromosomes, it comes from an animal that has 16 chromosomes.
This is because the animal's sperm cells and egg cells (also known as gametes) contain half the number of chromosomes as the animal's somatic cells (also known as diploid cells). During fertilization, the sperm cell and egg cell combine to form a zygote, which contains the full complement of chromosomes for the animal. For example, a human sperm cell contains 23 chromosomes, and a human egg cell contains 23 chromosomes, for a total of 46 chromosomes in the fertilized egg.
Two parents with brown eyes have given birth to a baby with blue eyes. Explain the aspect of human genetics that make this possible.
Answer:
when both parents have brown eyes, you have a 19% chance of getting blue eyes. (referenced in the picture below).
it is kinda a confusing concept, but this means that the parents either have 2 blue genes and 2 brown genes in the eye, and when there is 2 recessive genes in the eye it will cover the dominant gene.
dominant genes are the capital letter, and recessive genes are the lowercase (ex. Gb)
Which of the following is the basic unit of life? (5 points)
A. Cell
B. Element
C. Nucleus
D. Seed
Answer:A
Explanation: The cell is the basic unit of life because it creates life.
A. Cell is the answer!
I have a great day/night :D
Describe the changes that occurred during the evolution of dogs from wolves?
Answer:
The dog, Canis familiaris, is a direct descendent of the gray wolf, Canis lupus: In other words, dogs as we know them are domesticated wolves. ... Not only their behavior changed; domestic dogs are different in form from wolves, mainly smaller and with shorter muzzles and smaller teeth.
Explanation:
hope this helps
Dogs were most likely domesticated by chance when wolves began following ancient hunter-gatherers to eat their garbage. The theory goes that docile wolves were given extra food scraps to help them survive and pass on their genes.
What is evolution?The gradual change in the genetic composition of the organism that led to the generation of new characters in the next generations is called evolution.
Dogs may have become domesticated because the forefathers had too much meat to eat. During the ice age, hunters and gatherers may have shared their surplus with wolves, who became their pets.
All dogs are descended from wolves, according to their ancestors. Gray wolves and dogs diverged about 15,000 to 40,000 years ago from an extinct wolf species.
Thus, it can be concluded that many changes occurred during the evolution of dogs from wolves.
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gene regulation can occur only during transcription and translation.
The statement described is false, gene regulation is a process that can occur at any time during the expression of a gene.
Gene regulation includes all those processes that affect the action of the final products of genes, that is, the regulation of the synthesis of macromolecules is called gene regulation or expression.
This regulation can be carried out at any stage of the synthesis or maturation of the macromolecules, and taking into account many variables it will be developed at the most appropriate point.One of the most important regulation points is carried out at the level of transcription, since this is the initial stage of transfer of genetic information, control is achieved at the beginning.Therefore, we can conclude that the pathway that leads from DNA to proteins is made up of multiple stages, and gene regulation can occur at any time during them.
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What accounts for 30-35% for the environmental causes of cancer?
Answer:
Lifestyle factors (nutrition, tobacco use, physical activity)
Explanation:
The cdc said
please explain in detail
Question #1:
A urine and culture should be performed on which type of
sample?
Question #2:
Please explain the consequences of ketone in urine.
Question #1:A urine and culture should be performed on a mid-stream, clean-catch urine sample to test for the presence of microorganisms or bacteria that cause urinary tract infections (UTIs).
Question #2: Ketones in urine are an indicator of insufficient insulin production or low blood sugar. If left untreated, it can cause ketoacidosis, a potentially life-threatening condition that can lead to coma or even death.
High levels of ketones in urine can also lead to dehydration, kidney damage, and other complications. It is critical to seek medical attention if ketones are present in urine, especially in individuals with diabetes.
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Match each term with its definition Terms 1. Law of conservation of energy 2. Law of conservation of mass 3. Raymond Lindeman 4. Trophic level Definitionsa. energy cannot be created nor destroyedb. a biologist who studied ecosystem ecologyc. matter cannot be created nor destroyedd. a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms
1. The law of conservation of energy states that energy cannot be created nor destroyed. Therefore, the correct answer is A.
2. The law of conservation of mass states that matter cannot be created nor destroyed. Therefore, the correct answer is C.
3. Raymond Lindeman is consideres the founder of ecosystem ecology. Therefore, the correct answer is B.
4. Trophic level is a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms. Therefore, the correct answer is D.
What percent of the earth surface does the ocean make up
Answer:
71 percent
Explanation:
Answer:
70%
Explanation:
How do partials move in different states of matter
1) How do partials move in different states of matter ?
=) Gas vibrate and move freely at high speeds. liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.
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Plants absorb the greenhouse gas carbon dioxide during the process of _____.
Answer:
Photosynthesis
Explanation:
Plants convert carbon dioxide and water into sugar and oxygen through the process of photosynthesis. Plants absorb carbon dioxide from the atmosphere during photosynthesis.
3. The substance in your blood that helps it clot is called _________
Answer:fibrin
Explanation:
Many industrial companies and car manufacturers design solutions to reduce pollution.even so, chemicals still enter the atmosphere some of these pollutants combined with water in the air to form acid rain which property of acid would cause acid rain damage buildings over time?
Corrosive property of acid would cause acid rain damage buildings over time.
Many industrial companies and car manufacturers design solutions to reduce pollution. Even so, chemicals still enter the atmosphere some of these pollutants combined with water in the air to form acid rain Corrosive property of property of acid would cause acid rain damage buildings over time.
Acid rain describes any form of precipitation that contains high levels of nitric and sulfuric acids. It can also occur in the form of snow, fog, and tiny bits of dry material that settle to Earth. Normal rain is slightly acidic.
Acidic corrosion is a gradual destruction and wearing away of a material due to acidic compounds present in the environment. The acids may be those coming from soil, industrial air, water or toxic chemicals that react with the material they contact.
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the rash appears concentrated in teh axillae and groin and blanches with pressure. tender, shotty, anterior cervical lymphadenopathy is present uworld
In the given case, the patient has presented with a rash that appears to be concentrated in the axillae and groin. It is also mentioned that the rash blanches with pressure, which could indicate the presence of petechiae or purpura.
Along with the rash, the patient is also experiencing tender, shotty, anterior cervical lymphadenopathy, which could be indicative of an infectious etiology.
In the given scenario, the rash in the axillae and groin that blanches with pressure, and tender, shotty, anterior cervical lymphadenopathy points towards the possibility of a viral infection. Viral infections are common among children and young adults and are typically self-limiting, with symptoms resolving on their own within a few days to a week.
However, further testing may be needed to rule out more severe and potentially life-threatening etiologies, such as meningococcal sepsis. The provider may want to perform a thorough physical examination to look for additional signs of sepsis, such as fever, chills, and hypotension.
In the presence of rash concentrated in the axillae and groin that blanches with pressure and tender, shotty, anterior cervical lymphadenopathy may indicate a viral infection. Further testing may be needed to rule out more severe etiologies such as meningococcal sepsis.
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Which line best describes their sickness?
Answer:
Hello! ^_^
Your question: Two patients were admitted to the hospital. One patient was diagnosed with salmonella poisoning and the other had West Nile. Which best describes their sicknesses?
Your answer: Patient one contracted the sickness from contaminated materials and patient two contracted the sickness from an animal vector best describes their sickness.
Hope this helps :)
Explanation:
Based on the graph, how would Cook County, Georgia, be affected in the future if the trend continues and aquifers are eventually depleted
We can see here that Cook County, Georgia, will be affected in the future if the trend continues and aquifers are eventually depleted in the following way: C. Farmers would have less or no water for irrigation
What is trend?A trend refers to a general direction or pattern of change in a particular field, domain, or society over a period of time. It represents the prevailing tendency or inclination towards a certain style, behavior, concept, or phenomenon that gains popularity or widespread acceptance.
Trends can emerge in various areas, including fashion, technology, culture, business, social media, entertainment, and more.
The graph shows that the water level in the aquifer is decreasing over time. This means that there will be less water available for irrigation in the future.
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The complete question is:
Based on the graph, how would Cook County, Georgia, affected in the future if the trend continues and aquifers are eventually depleted?
USGS well 18H016, Cook County, Georgia
160
165
170
175
180-
185
1967
1974
1981
Year
1988
1995
2002
A. Land may rise because the weight of the water no longer compacts it.
B. It would become easier to cultivate crops.
C. Farmers would have less or no water for irrigation
D. Vegetation fed by groundwater would flourish.
Which of the following best matches the phase in cell division and the event that takes place during the phase?
Prophase : Chromosomes are replicated
Prophase : Fibers form the mitotic spindle
Telophase : Centromere of each chromosome splits
Telophase : Each chromosome attaches to a spindle fiber
Answer:
Telophase : Each chromosome attaches to a spindle fiber .
i think this is the answer
Answer:
The correct answer is Prophase : Fibers form the mitotic spindle.
Explanation:
This is when fibers form the mitotic spindle.
The process of a mare giving birth to a foal is called ?
Answer:parturition
Explanation: Parturition (foaling) is divided into three stages. Stage I usually lasts 1 to 4 hours. During this stage, the uterus begins contracting and the foal is positioned for delivery. The mare may act restless, pace the stall, get up and down frequently, urinate frequently, and sweat.
Deforestation most directly results in?
the path of air resembles the path of blood in the circulatory system. it starts off with bigger tubes, and as it moves in deeper into the lungs, it goes through intensive and extensive branching to reach the site of gas exchange (alveoli). study the anatomy of the lungs and follow the path of air through the respiratory structures.
Air follows a branching pattern in the respiratory system, starting with larger tubes like the trachea and bronchi, and moving into smaller bronchioles before reaching the alveoli for gas exchange. This structure optimizes oxygen uptake and carbon dioxide release.
The respiratory system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment.
The pathway of air in the lungs closely resembles the path of blood in the circulatory system, as it follows a branching pattern to maximize surface area for efficient gas exchange.
Air enters the respiratory system through the nasal passages or mouth and then travels through the pharynx and larynx. From there, it enters the trachea, a large tube reinforced with cartilage rings, which divides into two smaller tubes called the bronchi.
The bronchi further branch into smaller bronchioles, which continue to divide into even smaller respiratory bronchioles.
The respiratory bronchioles eventually lead to the alveoli, which are tiny air sacs surrounded by a network of capillaries. It is within the alveoli that the actual gas exchange takes place.
Oxygen from the inhaled air diffuses across the thin alveolar walls and enters the bloodstream, while carbon dioxide, a waste product, moves in the opposite direction to be exhaled.
This extensive branching of the airways in the lungs ensures that air reaches the alveoli, maximizing the surface area available for gas exchange.
The structure of the respiratory system optimizes the exchange of gases, providing the body with the oxygen it needs while eliminating carbon dioxide waste.
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What are some ways that understanding an artist’s perspective might help you in the future? how about a humanist’s perspective?.
An easy-to-understand explanation of what perspective in art is and how to implement it in your paintings. Drawing with perspective will help you understand the big picture of your work, and perspective drawing for beginners is much easier than you think.
How crucial is it that you comprehend perspective drawing?
In art, perspective is crucial. Although it's an illusion, perspective technique skills are crucial if you want to add realism to your drawings and paintings. To ensure you are hitting the vanishing points precisely, start by using a ruler and a one-point perspective.Why is it crucial for artists to grasp perspective?
Artists "experiment with" perspective to offer dramatic or disorienting visuals and to give the viewer a realistic sensation of depth. A point of view, also known as perspective, is the vantage point from which a person or group of people perceives and reacts to their environment.To learn more about the artist's perspective, follow the link https://brainly.com/question/13371339
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Which of the following factors determine an enzyme's specificity?A. The 3D shape of the active site.B. The Michaelis constant.C. The type of cofactor required for the enzyme to be active.D. The prosthetic group on the enzyme.
The factor which determine an enzyme's specificity is (Option A.) The 3D shape of the active site.
An enzyme's specificity refers to its ability to selectively bind to and catalyze a specific substrate or group of substrates. The specificity of an enzyme is primarily determined by the 3D shape of its active site.
The active site of an enzyme is a region or pocket on the enzyme's surface where the substrate molecule(s) bind and undergo the catalytic reaction. The active site has a specific shape and chemical composition that allows it to interact with the substrate(s) in a precise manner.
The 3D shape of the active site is crucial for enzyme specificity because it determines the complementary fit between the enzyme and its substrate(s). The active site and the substrate(s) must have complementary shapes and chemical properties to form a stable enzyme-substrate complex. This complementarity ensures that only specific substrates can bind to the active site, while other molecules are excluded.
The active site's 3D shape is determined by the amino acid sequence and folding of the enzyme's protein structure. The arrangement of amino acid residues in the active site creates a unique configuration that can accommodate specific substrates and facilitate the catalytic reaction.
While factors such as the Michaelis constant (Km), which represents the substrate concentration at which the enzyme achieves half of its maximum catalytic activity, and the presence of cofactors or prosthetic groups can influence an enzyme's activity, they do not directly determine the enzyme's specificity. These factors may modulate the enzyme's catalytic efficiency or activity but do not determine the enzyme's ability to bind and interact specifically with its substrate(s).
In summary, an enzyme's specificity is primarily determined by the 3D shape of its active site, which allows for selective binding and catalysis of specific substrates.
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