Answer:
Because antibiotics only fight bacteria, and not viruses, they're usually ineffective against colds. Sometimes a cold may lead to a bacterial infection, though. In that case, antibiotics would have a benefit if they were able to prevent that kind of infection
Explanation:
Brainliest pls :3
Answer: They are unhelpful for treating cold Because antibiotics only fight bacteria, and not viruses, they're usually ineffective against colds. Sometimes a cold may lead to a bacterial infection, though. In that case, antibiotics would have a benefit if they were able to prevent that kind of infection.
the information in DNA i. the nucleus is used to produce
A. proteins
B.Amino acids
C. Lipids
D. all the above
The nucleus's DNA contains information that is used to make proteins, so the correct option is a. proteins.
The genetic instructions that control the order of amino acids in proteins are found in DNA. Protein synthesis entails the transcription of DNA into messenger RNA (mRNA) and the subsequent translation of mRNA into a particular sequence of amino acids that constitute proteins.
Even though lipids are significant molecules involved in numerous physiological processes, DNA-based instructions do not directly govern how lipids are produced. Different cellular functions and enzymes control the synthesis of lipids.
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do you think you can help me with this?
please help will give brainliest!
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The following factors will determine what type of volcano will form. Check all that apply.
The viscosity of the magma.
The gas content of the magma.
The silica content of the magma.
The geologic time period in which the volcano was formed.
Answer: The first three:
The viscosity of the magma.
The gas content of the magma.
The silica content of the magma.
How do waves interact with different materials?
Answer:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matter are called reflection, refraction, and diffraction.
Explanation:
Waves interact with materials by eroding them over time. The way they the material erodes and how long it takes depends on the type of material. For example, less dense rock will break apart when it erodes, and it will not take as long. Metal will rust when it gets eroded, and it will take longer to be fully eroded.
a man walking at 0.5 m/s accelerates to a velocity of 0.6 m/s in 1 s. what is his acceleration?
Answer:
I'm not sure but the answer would be 1.2
Which statement about ionic bonds is correct? A. Ionic bonds form when similarly charged ions are attracted to each other B. Ionic bonds form when electrons are shared C. Ionic bonds form when oppositely charged ions are attracted to each other D. Ionic bonds form when a protons are shared between atoms.
Answer:
Option C. Ionic bonds form when oppositely charged ions are attracted to each other
Explanation:
An ionic bond is a bond that forms when two oppositely charged ions are electrostatically attracted to one other, where metal is an anion and nonmetal is a cation.
For instance, the bond between NaCl is an ionic bond where sodium is metal and anion (Na⁺) and chlorine is nonmetal and cation (Cl⁻) and makes salt.
Thus, the correct answer is - option C.
Answer:
the answer is C
Explanation:
im late sorry
9. The prefix mono- means “one" and the prefix poly-
means “many.” Some lipids are monounsaturated, and
others are polyunsaturated. Explain the difference
· between the fatty acids in these different types of lipids.
Answer:
Lipid molecules consist mainly of repeating units called fatty acids. ... Animals store fat as saturated fatty acids; plants store fat as unsaturated fatty acids. Types of lipids include triglycerides, phospholipids, and steroids. Each type consists of fatty acids and certain other molecules
Which of the following causes water from deep currents to rise to the surface to replace warm currents?
a. the flow of warm currents from the equator toward the poles
b. freezing of the surface of the water increased salinity due to evaporation
c. increased salinity due to evaporation
d. squeezing solids out of the ice down into the water below
Answer: The flow of warm currents from the equator toward the poles
Explanation:The flow of warm currents from the equator toward the poles causes water from deep currents to rise to the surface to replace warm currents.
Answer:
c. increased salinity due to evaporation
Explanation:
WILL GIVE BRAINLIEST!!!!!
In the succession timeline we completed during class, we learned that mosses and lichens are able to grow on rocks and break them down into soil. Mosses and lichens are best described as:
Pioneer species
Carnivores
Decomposers
Detritivores
60 milligrams=____kg?
4.5 centimeters=___km?
Answer:
60 milligrams= 6e-5 kg?
4.5 centimeters= 4.5e-5 km?
Explanation:
29. ) Chromosomes are duplicated in the ______ phase
a.) G2
b.) M phase
c.) G0
d.) G1
e.) S phase
Answer:
Interphase (A.K.A. S Phase)
Explanation:
(Hope this helps)
How are map grid lines like landmarks? How are they different?
4 Biotic and abiotic factors that are affected by water pollution
Answer:
biotic: fish, agle, turtles, dolphins, abiotic: air, water, rocks, dirt
Explanation:
biotic is living abiotic is non- living
Ty and Crystal are working together to learn about surface tension. They each add pennies to their own cup of water to see how many they can add before the cup overflows. Ty is able to add 15 pennies.
Crystal is able to add 38.
What should their next step be?
They should each claim that their answer is right
They should discuss differences in their methods.
They should record their results and move on to a different investigation
They should repeat the experiment using different pennies.
Answer:
B). They should discuss differences in their method.
Explanation:
As per the question, the next step in the given process would be 'the discussion of differences that exist between their methods which they are using to fill the cup.' This would help them understand how the difference in methods of putting water into the cup directly affects the tendency of the liquid to contract into the least surface area. They would also get to know how temperature affects the increase or decrease of surface tension. Thus, option B is the correct answer.
Which of the following organisms is found in grasslands?
a. cheetah
b. rhea
C. pangolin
d. hyena
Answer:
i wanna say B
Explanation:
According to the question, option b rhea.
The largest South American bird, rheas are flightless and resemble ostriches.
What is the most common organism in grasslands?A temperate grassland is a biome where grass is the dominant plant. Because of the lack of moisture in this environment, trees and shrubs cannot grow in temperate grasslands and the main plants found are grasses and flowers.
Thus, option "B" is correct.
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how does a thermostat regulate temperature
Answer:
yes
Explanation:
yes bc when it gets cold it goes down and when it gets hot it goes up
The biological process that has led to the greatest transformation of life on Earth is
Oa
b
Ос
Od
chemosynthesis
nitrogen fixation
photosynthesis
cellular respiration
Answer:
The biological process that has led to the greatest transformation of life on Earth is chemosynthesis.
Explanation:
Chemosynthesis is a process that allows the production of inorganic molecules in organic matter, through the oxidation of molecules such as carbon dioxide (CO₂). A clear example of this is the photosynthesis carried out by plants, taking advantage of CO₂ to generate their nutrients.
It is proposed that chemosynthesis was responsible for generating organic matter from inorganic molecules that existed on earth before the origin of life. It was perhaps the first metabolic reaction that arose on earth. Photosynthesis and cellular respiration are processes that follow chemosynthesis.
The other options are not correct, because cellular respiration, biological nitrogen fixation and photosynthesis appeared on earth after the origin of living organisms.
The nucleus includes all of the following structures EXCEPT
a
cytoplasm.
b
a nuclear envelope.
c
DNA.
d
a nucleolus.
Answer:
A. Cytoplasm
Explanation:
Cytoplasm is outside of the organelles, and is the jelly-like substance that holds all of the organelles and cell parts in place.
So, cytoplasm is not within the nucleus, because it is outside of the organelles, such as the nucleus.
On the other hand, the nuclear envelope, DNA, and nucleolus are all in the nucleus.
The nucleus includes all of the following structures except cytoplasm.
Thus, Cytoplasm is the name for the liquid that makes up cells. It includes additional organelles suspended in the cytosol along with filaments, ions, proteins, and macromolecular structures.
However, recent findings imply that the conventional notion of cytoplasm is no longer accurate. It was thought to be a fluid-like substance decades ago, but current research shows that it is more like liquids that create glass.
With the exception of the nucleus, the cytoplasm of eukaryotic cells is associated with the contents of the cell. Prokaryotic cells, however, lack a distinct nuclear membrane and instead store their genetic material in their cytoplasm.
Thus, The nucleus includes all of the following structures except cytoplasm.
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What are base unit measurements for the metric system?
A. feet, gallon and pound
B. grams, liters, and meters
C. Liters, pints, and miles
D. millilites, milligrams and millimeters
What do scientists call the center of the Earth?
Answer: The call it the Inner Core
Explanation: Earth has 4 layers the Inner Core, the mantle, the outer core and the crust.
The crust- it is the surface of the Earth
The Mantle- Down below the crust is the Mantle
The outer core- known to protect the inner core
The inner core- also known as the center of the Earth
PLEASE ANSWER FAST! In the cells of an organism, the synthesis of biological molecules involves chemical reactions that have a positive change in free energy. Which of the following best explains the impact of this change in free energy?
A. It allows spontaneous reactions to occur.
B. It causes a decrease in entropy.
C. It causes the cell to give off heat.
D. It moves the cell toward equilibrium.
When a molecule is biologically molecule synthesized, there will be a monomer unit converted into the polymer, so there is a change in molecule randomness so entropy is decreased, hence option b is correct.
How biological molecules is synthesized?When a biological molecule is synthesized the monomeric unit is converted into the polymeric unit and there will be a synthesis of bonds.
In a biological system, the system moves towards the spontaneous system, and the change in entropy should be increased. The biological system works only when it is a thermodynamically active system.
All the chemical reactions are held to move towards the equilibrium state when a biological molecule is synthesized change in the entropy of the system is decreased but a change in the entropy of the surroundings increases.
Therefore during the synthesis of biological molecules, entropy is decreased, hence option b is correct.
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How does a cold day affect enzyme activity during photosynthesis?
Answer:
At low temperatures, between 32 and 50 degrees Fahrenheit – 0 and 10 degrees Celsius – the enzymes that carry outphotosynthesis do not work efficiently, and this decreases the photosynthetic rate. This leads to a decrease in glucose production and will result in stunted growth.
Which of the following is the non-living part of the cell?
Cell membrane
Cytoplasm
Cell Wall
Centrosome
Skin tanning is an example of which adaptation technique? O A behavioral adaptation OB. cultural adaptation OC. structural adaptation OD. physiological adaptation
Answer:
Physiological
Explanation:
Definition
A metabolic or physiologic adjustment within the cell, or tissues, of an organism in response to an environmental stimulus resulting in the improved ability of that organism to cope with its changing environment
Answer:
C) structural adaption
Explanation:
Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations. Adaptations are the result of evolution.
Helpppppp meeeeeeeeeeeeeeeee
Answer: C. increases, increases, increases
Explanation: With adrenaline, more glucose is released from the liver into the blood if it has dropped too low. Pulse rate also increases along with more muscle strength which, ultimately, causes your breathing rate to increase.
Hope this helps!
3. Ashley Robert is a commercial pilot who worked in Ninoy Aquino International airport. Abruptly in
the sky, he noticed a thunderstorm approaching to their plane. Therefore, he decided to have a higher altitude for the passengers' safety. What would be the reason why pilot Robert did that kind of
decision?
a. To lessen the gas encounter to have a safe travel and landing.
b. To lessen the pressure in the aircraft wings.
c. To urge his eagerness in reaching the atmosphere
d. To experience an unforgettable event.
Answer:
To lessen the gas encounter to have a safe travel and landing.
what is anatomical position
What are advantages of monoculture? Check all that apply. 25 Points
A. produces crops that are easier to grow
B. produces crops that cannot be destroyed by diseases
C. limits variety of taste and nutrition among crops
D.results in higher yields of crops
E. allows for the same resources to be used on crops
Answer:
a,d,e
Explanation:
i aint gonna do you dirty
Answer:
a, and c
Explanation:
its the answer
Which process does not add carbon to the atmosphere?
Answer:
photosynthesis
Explanation:
Plants and photosynthetic algae and bacteria use energy from sunlight to combine carbon dioxide (C02) from the atmosphere with water (H2O) to form carbohydrates. Oxygen (O2) is a byproduct that is released into the atmosphere.
Photosynthesis does not add carbon to atmosphere.
What is Photosynthesis?
The process by which light energy is transformed into chemical energy in the form of sugars is known as photosynthesis. Using light energy, glucose (or other sugars) are created from carbon dioxide and water, with oxygen being released as a byproduct.
The glucose molecules act as the fuel for the cells; their chemical energy can be obtained through procedures like cellular respiration and fermentation, which result in the production of adenosine triphosphate (ATP), a small energy-carrying molecule, to meet the immediate energy requirements of the cell.
It is possible for organic molecules to integrate inorganic carbon from carbon dioxide; this process is known as carbon fixation, and the carbon in organic molecules is also known as photosynthesis.
Therefore, Photosynthesis does not add carbon to atmosphere.
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Describe the importance of receptors in cellular communication
Answer:
Cells have proteins called receptors that bind to signaling molecules and initiate a physiological response. Different receptors are specific for different molecules. ... This is important because most signaling molecules are either too big or too charged to cross a cell's plasma membrane
Explanation:
hope this helps you have a good day
Receptors are transmembrane proteins, that bind to signaling molecules outside the cell and later transmit the signal through a sequence of molecular switches to internal signaling pathways.
What are types of cellular receptors?Membrane receptors fall into three major classes namely G-protein-coupled receptors, ion channel receptors, and enzyme-linked receptors.
Not all receptors exist on the exterior of the cell. Some exist deep inside the cell, or even in the nucleus. These receptors typically bind to molecules which can pass through the plasma membrane, such as gases like nitrous oxide and steroid hormones like estrogen.
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