Answer:
A
its just the letter A......
Look at the images below and order them from smallest to largest, using 1 for the smallest unit and
3 for the largest
Plant Cell
Atom
Molecule
1. What is the role of a receptor in helping an
organism maintain homeostasis?
A. receives messages sent by the control center
B. carries out a response to restore internal
conditions
C. detects stimuli and sends information to the
control center
D. compares current conditions with ideal values
for those conditions
Answer:
b
Explanation:
Homeostasis has been the tendency of the organism to maintain the equilibrium state. The stimuli are detected and transmitted to the control center by the receptors. Thus, option C is correct.
What is homeostasis?Homeostasis is the physiological process that monitors the internal environment of the body. This involves the feedback system that includes receptors that report and transfers the information to the control center of the body.
The receptor is involved in detecting the stimuli in order to generate the response through the feedback control system. The mechanism involves the effector that provides a response to the stimuli detected and transmitted by the receptors.
Therefore, in option C. the receptor sends information by detecting the stimuli.
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HELPP ASAP AND THANKSS!!
Answer: A and B
Explanation:
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another. Why is this the case? (3 points)
a) Some membrane components are synthesized outside of the cell, while others are synthesized in the cytosol.
b) The two sides of a cell membrane face different environments and carry out different functions.
c) The molecular composition of the inner and outer layers of the cell membrane is determined by genes.
d) Proteins only function on the cytoplasmic side of the cell membrane, which results in asymmetry across the membrane.
Answer:
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another , this happens because the two sides of a cell membrane face different environments and carry out different functions.
Explanation:
PROTEINS , LIPID AND CARBOHYDRATES , all are the components of the plasma membrane , located at different sites .
PROTEINS -: The main component of plasma membranes is proteins. Two key categories of membrane proteins are available: integral and peripheral. As their name implies, integral membrane proteins are incorporated into the membrane: they have at least one hydrophobic region that anchors them to the phospholipid bilayer's hydrophobic center. Others just stick partway through the membrane, while others extend from one side of the membrane to the other and on either side are exposed.
On the outside and inside surfaces of membranes, peripheral membrane proteins are found which are bound either to integral proteins or to phospholipids. Peripheral membrane proteins do not stick into the hydrophobic center of the membrane as opposed to integral membrane proteins, and appear to be more loosely bound.
LIPID -: Phospholipids, arranged in a bilayer, make up the plasma membrane 's essential cloth. Since they are amphipathic, they are well-suited for this function, meaning they have both hydrophilic and hydrophobic regions.
The hydrophilic or "water-loving" component of a phospholipid is its head, which includes a phosphate group that is negatively charged, as well as an additional small group that can also be charged or polar.
Its long, nonpolar fatty acid tails make up the hydrophobic, or "water-fearing," portion of a phospholipid. The tails of fatty acids can interact easily with other non-polar molecules, but interact poorly with water.
CARBOHYDRATES -: The main component of plasma membranes is carbohydrates. In general, they are located on the outer surface of the cells and are either bound to proteins (glycoproteins forming) or to lipids (glycolipids forming). These chains of carbohydrates can consist of 2-60 units of monosaccharide and can either be straight or branched.
Hence , the correct option is B.
Respiration is a series of enzyme-catalyzed reactions. Looking at the data below what is the optimum temperature
for the enzymes responsible for respiration?
Answer:
30C
Explanation:
One sign that a chemical reaction has taken place is the production of a gas. The more gas bubbles produced, the more reactions that the enzyme is catalyzing.
The highest number of gas bubbles are produced at 30C. The enzymes have the greatest activity in catalyzing chemical reactions at this temperature.
Therefore, this is the optimum temperature for the enzymes in this experiment.
A plant has been removed from its natural environment and placed into a body of water that contains a higher concentration of salt than the inside of each plant cell. The plant promptly wilts. This situation is most similar to which event?
a. Seaweed put into fresh water.
b. A land plant put into tap water.
c. A freshwater plant put into sea water.
d. A freshwater plant put into distilled water.
Answer:
Explanation:The situation that is most similar in which a plant is moved to a higher concentration of salt in water is that of a freshwater plant being put into sea water. Due to too much salt concentration, freshwater plants cannot survive on the ocean
Which pair of properties apply to both mechanical and electromagnetic waves?
A.
Both waves carry energy and refract
B.
Both waves are longitudinal and refract
C.
Both waves are transverse and carry matter from one place to another
D.
Both waves carry energy and do not need a medium to travel through
Answer:
A. Both waves carry energy and refract
Explanation:
There are two major types of waves viz; mechanical waves and electromagnetic eaves. Mechanical waves such as sound waves are waves that require a medium or matter to pass/travel through while electromagnetic waves like light waves do not strictly require a medium to travel i.e through vacuum.
Electromagnetic waves are transverse waves i.e their particles move perpendicularly to the direction of the wave while mechanical waves can either be transverse or longitudinal. All waves carry energy from one medium to another and are capable of refraction i.e. change of direction.
Therefore, both mechanical and electromagnetic waves carry energy and refract.
Which type of energy pyramid can be inverted?
A) pyramid of numbers
B) pyramid of biomass
C) pyramid of energy
D) pyramids of numbers, biomass, and energy
Answer:B
Explanation:
Answer:
The correct answer is D
Explanation:
which of the following would be a quantitative observation
a. the attractiveness of the tail feathers of a male peacock is compared
b. butterfly wings are assessed to see which is the most orange in appearance
c. the height of radish seedlings is measured
d. the odor of different plants is compared to see which smells the worst
Answer:
c. the height of radish seedlings is measured
Explanation:
Quantitative measurements revolve around the quantity of things and exact measurements. The measured height of a radish seedling is the perfect example of that.
Memory technique:
Quantitative observations involve quantity (numbers).Qualitative observations involve quality (descriptions, features, i.e. color, smell, shape)Which of the following is true about ecology? (1 point)
Ecology is a philosophy that seeks to limit harm to the natural world.
Ecology is a practice that emphasizes preservation of life.
Ecology is an area of study that focuses on interactions in nature.
Ecology is a strategy for sustainable living.
Answer:
c
Explanation:
Ecology is an area of study that focuses on interactions in nature.
Answer:
The answer is choice C
Explanation:
All the ohther answers are techniqually not "studying"
A river that is mature would be: *
A. Straight, fast flowing and have erosion on both sides
B. curved, slow flowing and would have more erosion on the outside curve
I need help, please! I will give brainiest!
1: ATP and photovoltaic cells are similar because?
A: they both produce chemical and electrical energy.
B: they are both key components of solar panels.
C: they are both key components of plant cells.
D: they both use energy from the sun to separate electrons from atoms.
2: Which molecule is a high-energy output of photosynthesis?
A: ADP
B: oxygen
C: hydrogen
D: glucose
3: In photosynthesis, light energy is?
A: captured as usable energy.
B: stored as chemical energy.
C: captured as thermal energy.
D: stored as short-term energy.
4: Which is a simplified equation for photosynthesis?
A: carbon dioxide + water + light → sugar + oxygen
B: water + oxygen → carbon dioxide + sugar + light
C: sugar + water → carbon dioxide + oxygen + light
D: carbon dioxide + oxygen + light → sugar + water
5: Starch is a carbohydrate formed by bonded glucose molecules. What type of reaction does this represent?
A: ATP
B: cellular respiration
C: photosynthesis
D: dehydration synthesis
The correct answers for these questions are option D, A, A, A, D.
ATP molecule and photovoltaic cells are similar to each other because both ATP and photovoltaic cells use energy of the sun that is used to separate electrons from atoms.ADP molecule is a high-energy output of photosynthesis that is used for different activities in the cell.In photosynthesis, light energy is captured as usable energy which is further used in the production of glucose molecules. The simplified equation for photosynthesis is carbon dioxide + water + light → sugar + oxygen. The sugar is stored in the body parts whereas oxygen is released in the atmosphere through stomata.Starch is a carbohydrate formed by bonded glucose molecules represents dehydration synthesis. Dehydration synthesis is the formation of larger molecules from smaller molecules with the release of water molecule.https://brainly.com/question/18743606
Answer:
1. They both produce chemical and electrical energy
2. ATP (ADP is a low-energy input)
3. Stored as chemical energy
4. Carbon Dioxide + Water + Light → Sugar + Oxygen
5. Dehydration Synthesis
Explanation:
Took the quick check (Although number two doesn't have ATP as a choice my check said it was ATP and not ADP)
How does eating food benefit an animal?
Select all that apply.
The animal gets raw materials from the food.
The animal gets energy from the food.
The animal gets water from the food.
The animal gets heat from the food.
Answer:
2)The animal gets energy from the food.
3)The animal gets water from the food.
Hope it helps. Please mark me as the brainliest.
Explanation:
The animal gets energy from the food and The animal gets water from the food. Thus option B and C are correct.
What are the animal originated food ?The food we get from animal source called as animal based food. These are rich in nutrients, proteins, calcium, etc.
Milk is an important animal food product produced from cows, goats, donkeys, camels.
It is an ideal food highly rich in protein, calcium, vitamins etc.
Eggs produced from hens from poultry can be used major parts of the world.
Meat are used from different source of animals such as ducks, rabbits, goats, sheep, hens, pigs, etc.
It can be up two types such as red meat and white meat.
Red meat have lots of fat and cannot be easily digested, the sources are cows, goats, sheep, pigs, etc.
The white meat has less fat and is easily digested and the sources are chicken, fish.
Thus option B and C are correct.
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name three functions of lipids in organisms
cell membrane and signalling
Carbon monoxide has ____ of oxygen.
zero atoms
one atom
two atoms
Answer:
carbon monoxide (CO)
1 oxygen atom
A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose? Clay and gravel gravel and loosely packed soil granite and rocks with cracks rocks with cracks and clay
Answer:
The correct answer is - Clay and gravel
Explanation:
Water can flow from the substance or material with greater porosity which is the number of pores resent in the particles of soil for easy exchange of water and gases.
Clay particles exhibit a higher amount of pores that permit the water to flow from it. Gravel allows water to pass from it as it is a loosely packed fragment of rocks
Answer:
gravel and looselypacked soil
Explanation:
Steroids include substances such as?
Answer:
The steroid core structure is typically composed of seventeen carbon atoms, bonded in four "fused" rings
Explanation:
Answer:
testosterone:an anabolic steroid... principal sex hormones
dexamethasone:a synthetic corticosteroid drug
cholic acid
Which of the following best describes the flow of energy in the Everglades food web shown below? (4 points)
Diagram for an everglades food web. The food web contains the following organisms: American alligator, egret, raccoon, carp, Key deer, insects, Southern leopard frog, mangrove, and sawgrass. Mangrove is at the bottom of the food web, with arrows pointing to Key deer and insects. Sawgrass is also at the bottom of the web, with an arrow pointing to insects. Key deer, insects and Southern leopard frog are on the next level up. The Key deer has an arrow pointing to American alligator. The insects point to egret, carp, and Southern leopard frog. The Southern leopard frog points to the American alligator and the raccoon. The egret, carp and raccoon all points upward toward the American alligator. The carp also points to the egret. The American alligator is at the top of the food web.
a
Egret → insects → mangrove → key deer → American alligator; about 90 percent of the energy in one trophic level is transferred to the next trophic level.
b
Mangrove → insects → carp → American alligator; about 90 percent of the energy in one trophic level is transferred to the next trophic level.
c
Sawgrass → insects → Southern leopard frog → raccoon → American alligator; about 10 percent of the energy in one trophic level is transferred to the next trophic level.
d
American alligator → carp → insects → mangrove; about 10 percent of the energy in one trophic level is transferred to the next trophic level.
Answer:
B
Explanation:
For B it simply had the table in order of words.
Energy will flow in this order . Sawgrass → insects → Southern leopard frog → raccoon → American alligator; about 10 percent of the energy in one trophic level is transferred to the next trophic level. Hence, option B is correct.
What is a food web?All the food networks in a single ecosystem make up a food web. Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the ecosystem.
The trophic levels are divisions into which organisms in food webs are categorized. These levels can be roughly categorized as producers (first trophic level), consumers, and decomposers (last trophic level).
Only 10 percent of energy transfers to the next level. Hence, option B is correct.
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1. On a hillside there are 100 flowering plants. One géne pair controls flower
height. Tall (T) is incompletely dominant over short (T). There are 81-tall
, plants,
18 medium plants and-1-short plant. What is the frequeney of each allele in the
populätion?
Answer:
There are 180 T alleles on the hillside and 20 t alleles.
81 tall plants have two T, 18 medium plants have one T and one t, short plant has two t.
Explanation:
The tall plants will b TT, medium plants will be Tt, short plant is tt.
Can someone please help me answer this question ?
Answer:
B
Explanation:
Hope This Helps Friend
what is binomial nomenclature
Answer:
binomial nomenclature is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages
Explanation:
good luck! hope this helps
which lunar phase occurs when the moon is directly across from the sun with the Earth in the middle. During this phase we see light reflected off the entire near side of the moon
What types of substances tend to be alkaline?
Answer:
Bases, like cleaning supplies
Explanation:
How does high specific heat help aquatic organisms?
Answer:
Explanation:
Due to its high heat capacity, water is used by warm blooded animals to more evenly disperse heat in their bodies; it acts in a similar manner to a car's cooling system, transporting heat from warm places to cool places, causing the body to maintain a more even temperature.
what is ostia in biology
Answer:
An ostium (plural ostia) in anatomy is a small opening or orifice.
Explanation:
Simple term for explaining an opening
True or False: Diffusion requires energy input to occur.
Answer:
False
Explanation:
Diffusion does not require energy input from the cell. Diffusion transports water across the cell membrane.
Answer:
If you are talking about simple diffusion, the answer is false, but if you are talking about falicitated diffusion, the answer is True.
A jar contains 200 marbles total. Some are black. If you pull 4 marbles out and 1 is black, how many out of the 200 marbles would you guess are black?
When an enzyme is exposed to a temperature higher than its optimum,
what happens?
A)Nothing
B)The enzyme catalyzes the reaction better
C)The enzyme becomes denatured
D)The rate of reaction remains the same
PLZ ANSWER THIS IS MY SECOND TIME POSTING AND IM WASTING MY POINTS SO PLZ HELP! HAVE A GREAT DAY! REWARDS WHEN SOMEONE ANSWERS CORRECTLY :D
Explain the importance of the location of female cones found in cone-bearing trees?
The female cones are heavier and bigger than male cones therefore; it needs to be in the bottom.
More animals eat the male cones therefore; it needs to be located at the top of the tree.
The female cones' location is important because male cones drop their pollen from the top of the tree.
More animals are attracted to female cones therefore; it is easier to reach them at the bottom.
Answer:
The correct answer is B.
Explanation:
Sorry, I got a little sidetracked. lol
Have a great day!
Answer:
The female cones' location is important because male cones drop their pollen from the top of the tree.
Explanation:
Their are both male and female cones. The male cones at the top contain pollen, and it falls to the bottom. The female cones at the bottom catch the pollen with their scales and uses it for fertilizing the soon-to-be seed.
:D
Which of the following is not a key ingredient in cloud formation?
particles. drizzle. water vaper. drop in air pressure
Answer:Drizzle
Explanation:
Clouds require water vapor, particles the vapor can condense around, and a drop in air pressure to form.
Cloud formation is a process that begins with a drop in air pressure. An ingredient that is not key in the formation of clouds is;
A. DrizzleDrizzle is not an important factor in the formation of clouds. Clouds are formed when water and ice are suspended in the air.
The process of cloud formation begins when the terrain is heated up by the sun.
Wind blows more around the areas of low pressure thus causing the rising of warm air which holds up water.
After some time, this air becomes condensed and falls down as rain.
Summarily, Drizzling is not an important part of cloud formation.
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