Why is a body of water cooler in the summer than the air surrounding the body of water?
Water has a high heat capacity.
Water is denser than air.
Water has cohesive properties.
Water has high surface tension.
Answer:
A. Water has a high heat capacity
Explanation:
Diseases caused by single-gene defects, such as cystic fibrosis, hemophilia, muscular
dystrophy and sickle cell anemia might be able to be cured by replacing the
defective, non-functioning gene with a normal, functioning gene.
Which of the following biotechnologies is described?
Cloning
Gene therapy
Gel electrophoresis
GMOs
Answer:
Gene therapy
Explanation:
Gene therapy can be defined as the methodologies used to modify/restore the expression of target genes and thus cure and treat genetic disorders. Gene therapy approaches consist of delivering specific nucleic acids (either RNA or DNA) in the cells of the individual to be treated. Some of the most important gene therapy approaches include the use of small interfering RNAs (siRNAs) in order to block target gene expression, adenovirus vectors to insert genes into host cells, the use of the CRISPR-Cas9 genome editing system to insert specific sequences by the mechanism of homologous recombination, etc.
Where does most of the oxygen produced in photosynthesis
go?
Answer:
THE ATMOSPHERE
Explanation:
Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules
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Birds and reptiles both lay hard-shelled eggs. Birds, reptiles, frogs, and fish have jaws. Birds, reptiles, and frogs have four limbs. Which cladogram shows the relationship between these organisms?
Answer: D
Explanation: This is because I just know. I toke Biology and learnt that's it's D trust me.
Fish, reptiles, birds, and reptiles all belong to the Phylum vertebrate of Animal Kingdom. All these organisms have a vertebral column. Thus, the correct option is D.
What is Cladogram?
A cladogram is a diagram which is used in cladistics to show the relationship among different organisms present in the ecosystem.
A cladogram is not an evolutionary tree as it does not show how ancestors and descendants are related to each other and who are the ancestors.
Fishes, reptiles, birds, and reptiles are the species which belong to Phylum Vertebrata. All these organisms show organ-system level of organization, vertebral column, closed circulatory system, body coelom, etc.
Therefore, the correct option is D.
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Name the four ways muscle strength can be measured and briefly describe each, In this ansignment, you will expand your knowledge of muncle structure and numction by exploring muscle strength and contraction. Then you will no what you learn to answer some follow up questions Read the article and use the information to anwer the following questions
Hii!! (: The correct answers are:
Absolute strength measures maximum force.
Dynamic strength measures repeated motions.
Elastic strength measures exertion of force rapidly.
Strength endurance measures fatigue resistance.
Muscle strength can be measured in four different ways: manual muscle testing, isokinetic testing, isometric testing, and dynamometry. Manual muscle testing involves the use of a hand-held dynamometer to measure the amount of force generated by a muscle contraction.
What is the use of this test ?This type of test is often used to assess the strength of a person’s muscles in order to diagnose any physical impairments or evaluate the effectiveness of a rehabilitation program.
Isokinetic testing is a type of testing that measures the amount of force generated by a muscle contraction at a constant speed. This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program.
Isometric testing is a type of testing that measures the amount of force generated by a muscle contraction when the muscle is held in a static position.
This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program. Finally, dynamometry is a type of testing that measures the amount of force generated by a muscle contraction when the muscle is actively contracting.
This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program. These four different methods of measuring muscle strength can provide valuable insight into the strength and function of a person’s muscles.
Hence, Manual muscle testing is the most commonly used method, as it is the most cost-effective and can provide quick results. Isokinetic, isometric, and dynamometry testing are more expensive and time consuming, but provide more detailed information about the strength and function of a person’s muscles.
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Scientists have recently modified the bacteria that cause tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. What is the new DNA called?
Answer:
DEFB1
Explanation:
It is called beta defensin (DEFB1) which increase the susceptibility caries.
A 20 N unbalanced force cause an object to accelerate at 1.5 m/s. What is the mass of the object?
Answer:
I believe it’s 13.33 m
Explanation:
Because a = Fnet / m
So if you plug the numbers in it’s : 1.5 m/s = 20n / m
Then you’ll want to cross multiply which it’ll be : 20n = 1.5m
Then you want to get m alone so you’ll divide 1.5 to both sides and that’ll leave you to
13.33 = m
The diagram below represents a portion of a molecule found in cells of the human body.
Sequences represented by the letters in this molecule enable human cells to
(1) alter the method of absorption of material
(2) carry out asexual reproduction by meiosis
(3) synthesize enzymes from organic molecules
(4) modify genetic recombination during mitosis
The option (C) is correct. Synthesize enzymes from organic molecules.
What are enzymes?Enzymes are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products.
Moreover, enzymes are proteins that help speed up metabolism, or the chemical reactions in our bodies. They build some substances and break others down. All living things have enzymes. Our bodies naturally produce enzymes.
Therefore, enzymes create chemical reactions in the body, and can actually speed up the rate of a chemical reaction to help support life. Enzymes are produced naturally in the body and help with important tasks, including: building muscle. destroying toxins.
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Can you help me please
What did you have to do to turn an atom that is labeled “+ion or -ion” into a “Neutral Atom”?
To make any neutral atom, it should balance an equal number of electrons and protons, with +ion having more protons, and -ion having more number of electrons.
What is a neutral atom?A neutral atom defines as an equal balance of electrons and protons, to make any atom into ions, it has to gain protons or electrons to make “+ion or -ion”.
All atoms are made of electron and proton in which their nucleus contains protons, a positive entity, and electrons, which surrounds the nucleus having a negative entity.
Ions are also a type of atom but have gain or loss of any number of electrons or protons. If any ion denotes +2 it shows having an extra number of protons.
Therefore, turning an atom that is labeled “+ion or -ion” into a “Neutral Atom” is done by adding or deleting the electrons.
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Who worked with Rosalind Franklin ?
Answer:
James watson and Francis Crick
Explanation:
What happened that allowed cells to be studied?
A. Cells increased in size
B. Scientist began to work together.
C. Scientists became smarter.
D. The microscope was invented and improved.
Answer:
D
Explanation:
Animals produce enzymes that help chemical processes happen in the cells of their bodies. In which category of molecules do enzymes belong? Lipids Proteins Nucleic acids Carbohydrates
Answer:
nucleic acid
Explanation:
base for dna is nucleic acid
lipid is fat
protiens is to big
carbohydartes is nothing to do with enzymes except amylase and the one in your mouth i forgot what its name
Answer:
because i dont know
Explanation:
the standard métric unit temperature is
Answer:
Fahrenheit and Celsius
Explanation:
Answer:
Degree Celsius
Explanation:
The metric unit of temperature is the degree Celsius (oC), which replaces the English system's degree Fahrenheit (oF). In the scientists' SI, the fundamental unit of temperature is actually the kelvin.
Compensation depth is always below the _____.
a. depth of light penetration
b. depth of greatest productivity
c. aphotic zone
d. intermediate bottom waters
e. oxygen minimum zone
Why does our body cells require oxygen?
Explanation:
because without our cell will start dying
what does the combination of global convection and the coriolis effect make
Answer:
The combination of worldwide convection and earth's turn sets up a arrangement of wind designs. Coriolis impact The bowing of streams of discuss or water due to earths rotation
Explanation:
Have A Wonderful Day !!
Answer:
The combination of global convection and Earth's rotation causes wind patterns called convection cells in each hemisphere.
Explanation:
Hope this will help
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below. A purple center outlined in black with two concentric black circles around the center, the inner circle having 2 small green balls on it and the outer circle having 8 small green balls on it. What experimental evidence led scientists to change from the previous model to this one?
Answer:
A few of the positive particles aimed at a gold foil seemed to bounce back.
Explanation:
Some of the positive particles aimed at a gold foil seemed to bounce back which gives information to the scientists that some heavy particles present in the center of the atom which bounce back the positive particles. so from this evidence the scientists says that atom is divisible and having subatomic particles such as proton, electron and neutron. Proton and neutron is present in the center whereas electron is revolving around the nucleus of an atom.
Answer:
I don't have an exact answer.
Explanation:
Anyone who bothers to use the answer above me, DON'T! It's an inncorrect answer. I lost my 100% in my class for that answer alone so it is either (A. (C. (D.
A scientist is investigating how fast a person conducts cellular respiration when exercising versus resting. How would the amount of the gas released be different for both situations ?
A. Less oxygen would be released when exercising then resting
B. More oxygen would be released when exercising than resting
C. Less carbon dioxide would be released when exercising than resting
D. More carbon dioxide would be released when exercising than resting
Answer:
More carbon dioxide would be released when exercising than when at rest.
hope this helps!!:)
Explanation:
Select the correct answers.
Identify the clean sources of energy.
Answer: Windmill, solar energy, and burning wood.
Explanation:
Which characteristic do insects, crustaceans, centipedes, and millipedes have, but arachnids lack?
antennae
O multiple body sections
O multiple pairs of legs
wings
Answer:
A: antennae
Explanation:
Answer:
it's a
Explanation:
I just did the assignment
Help me with this? It's only 15 points
hormones do not last in the bloodstream indefinitely.For this season your glands constantly produce new hormones when needed.Using this information, explain why a diabetic person may require injections of insulin two or even three times per day?
Why does the organism engage in dormancy, hibernation, or migration?
Answer For,
Why does the organism engage in dormancy, hibernation, or migration?
Explanation:
Dormancy is a period in an organism's life cycle when growth, development, and (in animals) physical activity are temporarily stopped. This minimizes metabolic activity and therefore helps an organism to conserve energy.
Hibernation is an adaptation that helps many animals conserve energy by remaining inactive, greatly slowing their metabolism and reducing their body temperature for days, weeks or even months at a time. Typically, animals hibernate in order to survive long periods when food is scarce.
Some animals travel relatively short distances to find food or more favorable living or breeding conditions. Most animals that migrate do so to find food or more livable conditions. Some animals migrate to breed. The Atlantic Salmon begins its life in a river and migrates downstream to the ocean.
In science class, lab partners are designing an experiment that shows the important steps of the water cycle. For their experimental design, which of the
following procedures could best be used to demonstrate the difference between condensation and evaporation?
O A. To show condensation, the lab partners must increase the temperature within the cycle; to show evaporation, they must decrease the temperature,
OB. To show condensation, the lab partners must decrease the temperature within the cycle; to show evaporation, they must increase the temperature,
c. To show condensation, the lab partners must maintain a constant temperature within the cycle; to show evaporation, they must increase the
temperature
D. To show condensation, the lab partners must maintain a constant temperature within the cycle; to show evaporation, they must decrease the
temperature
Answer:
To show condensation, the lab partners must decrease the temperature within the cycle; to show evaporation, they must increase the temperature.
Answer: A :) hope this helps!
HELP!! I'm struggling!!
This is cooking class and I need your help please
1 - c
2 - c
3 - either a or c
4 - b
What type of cell is cell D?
A) animal
B) bacterial
C) fungal
D) plant
Answer:
B. I believe sorry if wrong tho
Use the drop-down menus to complete each sentence. Fungi are in the domain Fungi are in the kingdom
Answer:
Eukarya and fungi is the answer
Explanation:
bAnswer:eukaraya and fungi
Explanation:
list and describe three factors that affect how quickly enzymes can work to catalyze reactions
Answer:
The correct answer is - temperature, pH, substrate concentration.
Explanation:
Various factors affect the rate of enzymatic reaction such as pH, temperature, substrate concentration, availability of activators or inhibitors in the reactions, and enzyme concentration.
Temperature: Temperature affects the rate of the enzyme-catalyzed reactions. Like most of the reactions with an increase in temperature rate of enzymatic reaction also rises up to a maximum level and then declines if the temperature continues to increase as enzyme denatures after a particular temperature.
pH: Similar to the temperature pH also increases the rate of reaction up to a maximum level and then declines the rate as every enzyme acts only at an optimum pH range.
Substrate concentration: If the substrate concentration is increased gradually while the concentration enzyme remains constant, the rate of reaction will increase until it reaches a maximum.
