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_____ pressure is what gives plants that are not woody their rigid structures.
Hypertonic
Hypotonic
Turgor
Turgid
Isotonic
Answers
Answer:
I'd say C.)
Explanation:
Turgor pressure, also called turgidity when occurring in trees and most plants are the pressure of cell contents exerted against the plant cell wall including tree leaf and stem cells. ... This force consequently gives a succulent plant rigidity and helps non-woody plants to keep erect.
Related Questions
Which two factors have the biggest impact on the type of agriculture produced in a local area?
O Education levels and average salary
O Cost of living and population size
O Weather and local wildlife
O Climate and soil type
Answers
Climate and soil type are the two factors that have the biggest impact on the type of agriculture produced in a local area. The correct option is D.
What is climate?Climate refers to the long-term patterns of temperature, humidity, wind, and precipitation in an area, which can influence what crops can be grown and how they are grown. For example, certain crops may require specific temperature ranges, amount of sunlight, or amount of water to thrive.
Soil type refers to the physical and chemical properties of the soil in an area, which can also influence what crops can be grown. For example, some crops may require well-draining soil, while others may require soil with a high nutrient content. Soil type can also affect the types of fertilizers and pesticides that may be needed to support crop growth.
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What is the most significant challenge for organisms that live in estuaries?
O A. Changing nutrient levels
O B. Changing water temperatures
O C. Changing water depth
O D. Changing water salinity
SUBMIT
(FOR TEST HELPPPP N HURRYYYY PLEASE!!!)
Answers
Answer:
D
Explanation:
sorry replied late buh it's better to know for the future l guess
tropism is a plants growth in response to a stimulus, like light, gravity, and water. these growth responses are controlled by plant hormones. gibberellins are hormones produced in the root tips of plants to stimulate the growth of shoots.
which system carries gibberellins produced in the roots to the rest of the plant?
a] dermal system
b] reproductive system
c] none of these
d] vascular system
Answers
Answer:d
Explanation:
In space, astronauts essentially sleep: A. like sardines in a can. B. standing up. C. in short shifts. D. on their heads.
Answers
Answer: It would be B. They pretty much sleep in sleeping bags that’s standing upright. :)
if there are 50 cytosine bases in a DNA molecule , how many guanine bases should there be
Answers
Answer:
25 guanine bases
Explanation:
plis help asapppppppp
Answers
Answer:
i would say Maine
Explanation:
the red areas demonstrate the hotter areas as it goes to blue ou can see it's getting colder
Explain how ocean acidification interferes with shell production in cer-
tain marine organisms
Answers
Answer & Explanation:
To produce shells, sea animals secrete calcium carbonate. When the ocean acidifies, it basically eats away at the creature's shell. So, they have to spend more time trying to form it's shell again, while the acidity of the water continues to prevent that.
Hope this helps!
Help please? *25 points*
Answers
Answer:
Yes, if igneous rock us moved to earth's surface and exposed to energy from the earth's sun, it could weather into smaller pieces that could form sedimentary rock.
Explanation:
I found that answer on Google, so I'm honestly not sure if it'd be A or B. Sorry! hope this helps a bit.
the importance of the plateau phase of the action potential of myocardial cells is in . preventing overstretching of the cells. enhancing the efficiency of oxygen use by the cells. preventing tetanus by increasing the refractory period. preventing fibrillation. regulating ca 2 availability to the cells.
Answers
The relevance of the plateau phase of the action potential of cardiac cells is in preventing tetanus. The muscles can contract for a longer duration during this plateau phase, giving the nearby cardiac muscle cells more time to depolarize. After the plateau phase comes phase 3, sometimes referred to as the repolarization period.
It stops further impulses from entering the heart too soon, preventing tetanus giving the plateau phase ,muscle enough time to contract and pump blood efficiently. Calcium ions move through this extreme concentration gradient during the plateau phase period of the action potential and enter the myocyte. L-type channels, which are typically found at preventing tetanus sarcolemmal/sarcoplasmic reticulum junctions, are where the muscle majority of this period calcium enters.
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Tertiary alkyl halides are practically inert to substitution by sn2 mechanism because of.
Answers
Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of steric hindrance. In SN2 (substitution nucleophilic bimolecular) reactions, a nucleophile attacks the carbon atom bonded to the halogen, resulting in the displacement of the halogen with the nucleophile.
However, in the case of tertiary alkyl halides, the carbon atom is attached to three alkyl groups, making it highly crowded. The bulky alkyl groups create significant steric hindrance around the carbon atom, making it difficult for the nucleophile to approach and attack the carbon atom.
The steric hindrance prevents the nucleophile from accessing the carbon atom, thereby inhibiting the SN2 reaction. The nucleophile needs to approach the carbon atom from the opposite side of the leaving group, but the presence of bulky alkyl groups hinders its approach.
To illustrate this, let's consider an example:
If we have a tertiary alkyl halide, such as tert-butyl bromide (CH3)3CBr, and we attempt an SN2 reaction with a nucleophile like hydroxide ion (OH-), the hydroxide ion would struggle to approach the carbon atom due to the bulky tert-butyl groups surrounding it. As a result, the reaction would be significantly slower or might not occur at all.
In summary, the steric hindrance caused by the presence of three alkyl groups on the carbon atom in tertiary alkyl halides makes them practically inert to substitution by SN2 mechanism.
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Charles Keeling's work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Observatory
paved the way to understanding how human activities can lead to global warming.
Which greenhouse gas did Charles Keeling measure at the observatory?
A)
carbon monoxide
B)
methane
C)
nitrous oxide
D)
carbon dioxide
Answers
Answer:
D) carbon dioxide
Explanation:
Carbon dioxide (CO2) is the most important greenhouse gas which is known to absorb heat that would otherwise be lost to space. It has been shown that CO2 causes approximately 80% of global warming. Different human activities, but especially the burning of fossil fuels, are the main cause of global warming. It has been estimated that 40 billion metric tons of CO2 produced by human activities are being discharged into the atmosphere annually. Other human activities associated with global warming by increasing the concentration of CO2 in the atmosphere include deforestation and cement production.
CONSTRUCT A FOOD WEB green plant,rabbit,goat,mouse,snake,owl,wild cat,lion, eagle,jackal
Answers
Answer:
Lets start with the food chain, which is a series of organisms each dependent on the next as a source of food. Food chains start with a produce, an organism that is able to make its own food (ex: plant). Another name for a producer is an autotroph. Then an organism eats the plant, which would be considered the primary consumer, then that organisms is eaten by another organism, the secondary consumer, and then another organism eats that organism, tertiary consumer. All organisms that must consume another organism for their food is called a heterotroph, or consumer. The primary consumer, which always eats the producer could also be called a herbivore, because producers are plants, and a herbivore is an animal that only eats plants. An animal that only eats other animals are called carnivores, which mean that they only eat meat. And an animal that eats both plants and animals would be called an omnivore.
The following shows 3 different food chains. In the first one corn is our producer, which is eaten by a mouse (the primary consumer), and the mouse is eaten by the owl (the secondary consumer). The second food chain is little longer, therefore showing the tertiary consumer, which is the lion in this example. If you notice the arrows are pointing in the direction of energy travel. The mouse gets the energy from the corn, and the owl gets the energy from the mouse. The corn goes into the mouse's stomach, and the mouse goes into the owl's stomach.
Explanation:
Arthropod' means 'jointed foot'. Which animal is NOT an arthropod?a) a praying mantisb) all of these animals are arthropodsc) a millipeded) a horseshoe crabe) a spider
Answers
The correct option is B ; All of these animals are arthropods , Arthropods (/rrpd/, from Ancient Greek o (arthron) 'joint' and (pous) 'foot' (gen. )) are invertebrates with an exoskeleton, segmented bodies, and paired jointed appendages.
Arthropods are classified as members of the phylum Arthropoda. They are distinguished by their jointed limbs and chitin cuticle, which is frequently mineralised with calcium carbonate. The arthropod body plan is made up of segments, each with two appendages.
Arthropods have an external skeleton and are bilaterally symmetrical. To continue growing, they must go through moulting stages, in which they shed their exoskeleton to reveal a new one. Some animals have wings. They are a hugely diverse group, with up to ten million different species.
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Full Question ;
'Arthropod' means 'jointed foot'. Which animal is NOT an arthropod?
a praying mantis
all of these animals are arthropods
a millipede
a horseshoe crab
a spider
which organism is both a primary consumer and a secondary consumer in this web
Answers
Answer:
Omnivores
Explanation:
Omnivores, which feed on both plants and animals, can be considered as being both primary and secondary consumers.
Answer:
An organism cannot serve as both a main consumer and a secondary consumer at the same time in an ecological food web.
Explanation:
A primary consumer, usually referred to as a herbivore, consumes other producers such as plants directly. In a food chain or web, they are located on the second trophic level.
While a secondary consumer feeds on primary consumers. In a food chain or web, they are located on the third trophic level.
Each creature normally resides in a certain trophic level, which indicates its place in the movement of nutrients and energy through the ecosystem. An organism cannot occupy the primary consumer and secondary consumer levels at the same time, even if it can travel up or down the food chain/web by consuming other creatures
So, no organism can serve as both primary consumer and secondary consumer.
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Which objective lens provides the least total magnification?
Multiple Choice
low power
scan
oll immersion
high power
Answers
The objective lens that provides the least total magnification is the scan. The correct option is c.
What is total magnification?The magnification power of a checking objective lens is the lowest of all objective lenses. When taken in conjunction with the magnification power of a 10x eyepiece lens, 4x is a common magnification for scanning objectives.
Magnification is calculated as the proportion of image height to object height. This enlargement is measured by a calculated number known as "magnification."
Therefore, the correct option is c, scan.
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The wings of insects and birds are the result of convergent evolution. This means that: a. these organisms are unrelated but have similar adaptations. b. insects and birds have each independently evolved structures that serve the same function (flight) but have done so in very different ways. c. these organisms have different adaptations to different environments. d. these organisms share a recent common ancestor and so have similar adaptations. e. the insects and birds must be related to possess such similar qualities.
Answers
The wings of insects and birds are the result of convergent evolution, meaning that insects and birds have independently evolved structures that serve the same function (flight) but have done so in different ways.
Convergent evolution refers to the process where unrelated organisms independently develop similar traits or adaptations to adapt to similar environmental conditions or perform similar functions. In the case of insects and birds, both groups have evolved wings to achieve flight. However, the structures and mechanisms of their wings are fundamentally different. Insects have wings that are extensions of their exoskeleton, composed of thin membranes supported by a network of veins. On the other hand, birds have wings made of feathers attached to a framework of bones. Despite the differences, the wings of insects and birds serve the common function of enabling flight, illustrating convergent evolution.
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What relationship is it when one population captures and feeds upon another population?
Answers
Answer:
Predation.
Explanation:
This relationship is called predation. (Predation means the preying of one animal on another)
Scientists are examining the possible role of a large asteroid in the Cretaceous mass extinction event. A large asteroid strike would likely have caused rapid climate cooling and diffusion of sunlight.
Which of the following statements are the best null and alternative hypotheses when scientists look at the geologic evidence of extinction related to the asteroid strike?
A) Null: The rate of extinction would be steady over the entire length of time the climate was altered.
Alternative: The rate of extinction would be greatest immediately before the asteroid strike.
B) Null: The rate of extinction would gradually decrease over the entire length of time the climate was altered.
Alternative: The rate of extinction would be at its lowest immediately after the asteroid strike.
C) Null: The rate of extinction would be steady over the entire length of time the climate was altered.
Alternative: The rate of extinction would be greatest immediately after the asteroid strike.
D) Null: The rate of extinction would gradually decrease over the entire length of time the climate was altered.
Alternative: The rate of extinction would be at its greatest immediately after the asteroid strike.
Answers
Answer:
Option C
Explanation:
The null hypothesis is the problem statement and alternative hypothesis is counter of the null hypothesis.
Hence, the null hypothesis here is the rate of extinction was neither higher nor lower when there were sudden climatic changes (asteroid strike)
And alternate hypothesis is "the rate of extinction was either higher or lower when there were sudden climatic changes (asteroid strike)"
Hence, option C is correct
The three smaller components that make up atoms are -
A- neutrons, protons and ions.
B- neutrons, electrons and protons
C- protons, ions and electrons.
D- electrons, neutrons and ions.
Answers
Answer:
its b
Explanation:
but I have to make the explanation 20 words so imma write random things down here jdjdnkoskdndhjejsjsoosjssnjdjdjdjso
PLS HELP A student has four snails, four sprigs of Elodea, eight test tubes of bromothymol blue, and two rooms (light and dark). The student wants to know what gases are produced by the snails and Elodea in light and dark conditions. Assuming the student only has time for one experiment, what setup will yield the most complete data? All test tubes contain bromothymol blue. Experiment 1: Light room with test tubes A to D. A contains 1 snail. B contains Elodea. C is empty. D contains 1 snail and Elodea. Dark room with test tubes E to H. E contains 1 snail. F contains Elodea. G is empty. H contains 1 snail and Elodea. Experiment 2: Light room with test tubes A to D. Each test tube contains 1 snail. Dark room with test tubes E to H. Each test tube contains Elodea. Experiment 3: Light room with test tubes A to D. Each test tube contains 1 snail and Elodea. Dark room with test tubes E to H. Each test tube is empty. Experiment 4: Light room with test tubes A to D. A contains 2 snails and Elodea. B contains 1 snail. C and D are empty. Dark room with test tubes E to H. E contains Elodea. F contains 1 snail and Elodea. G and H are empty. a. Experiment 1 b. Experiment 2 c. Experiment 3 d. Experiment 4
Answers
Answer:
Its A Experiment 1
Explanation:
Select the option below that best describes how different cell structures work together to ensure animal cells make proteins.
A.Only the nucleus and the ribosomes work together to make proteins. The nucleus contains instructions for making proteins, and the ribosomes make those proteins.
B.Glucose diffuses through the cell membrane. After the glucose is broken down in the cytoplasm, its components enter the mitochondria, where they are converted to ATP.
ATP is then shipped to various parts of the cell, including the ribosomes. Ribosomes use ATP from the mitochondria to power the protein synthesis process
C.Glucose is made in the cell's chloroplasts and then broken down in the cell's cytoplasm. After the glucose is broken down in the cytoplasm, its components enter the
mitochondria, where they are converted to ATP ATP is then shipped to various parts of the cell, including the ribosomes. Ribosomes use ATP from the mitochondria to
power the protein synthesis process
D.ATP diffuses through the cell membrane. After the ATP is broken down in the cytoplasm, its components enter the mitochondria, where they are converted to glucose.
Glucose is then shipped to various parts of the cell, including the ribosomes. Ribosomes use glucose from the mitochondria to power the protein synthesis process and
instructions from the nucleus to build the correct protein
Answers
Answer:
c
Explanation:
.Glucose is made in the cell's chloroplasts and then broken down in the cell's cytoplasm. After the glucose is broken down in the cytoplasm, its components enter the
mitochondria, where they are converted to ATP ATP is then shipped to various parts of the cell, including the ribosomes. Ribosomes use ATP from the mitochondria to
power the protein synthesis process
D.ATP diffuses through the cell membrane. After the ATP is broken down in the cytoplasm, its components enter the mitochondria, where they are converted to glucose.
Glucose is then shipped to various parts of the cell, including the ribosomes. Ribosomes use glucose from the mitochondria to power the protein synthesis process and
instructions from the nucleus to build the correct protein
at which time in the heart beat cycle are all four of the heart valves closed?
Answers
Answer:
isovolumetric contraction is the time when heart beat cycle are all four of the heart valves closed
Explanation:
There is a period called isovolumetric contraction during which the ventricles contract but the pulmonary and aortic valves are closed as the ventricles do not have enough force to open them. The atrioventricular valves also remain closed during the isovolumetric contraction period.
The bodies of both fishes and
reptiles are covered with Scales
but they
are into difference group why
Answers
Fishes and reptiles both have scales, but they belong to different groups because they have different evolutionary histories and biological characteristics.
Scales are protective coverings on the bodies of fishes and reptiles. Fishes and reptiles have different kinds of scales and they are classified into different groups based on their overall features and how they evolved.
Fishes are water-dwelling animals with scales that help them to swim and helps to protect their bodies. Reptiles include animals like snakes, lizards, turtles, and crocodiles. Even though both fishes and reptiles have scales they are put into separate groups because they have different histories of evolution and different biological characteristics.
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Relate the direction of force to the direction of the peaks of the mountains
Answers
The direction of force is related to the direction of the peaks of the mountains because force is the result of the tectonic plates colliding, which can cause the mountain rocks to uplift, thereby forming the peaks.
What are tectonic plates?Tectonic plates are large pieces of Earth's crust and the uppermost part of the mantle. They move and interact with each other, and are responsible for the formation of the Earth's landscape, volcanoes, and earthquakes. They are composed of the Earth's lithosphere and float on the asthenosphere. The boundaries between tectonic plates are called either convergent, where two plates meet and one moves beneath the other, divergent, where two plates move away from each other and create new crust, or transform, where two plates slide past each other.
What is force?Force is a push or pull on an object that results from the object's interaction with another object. Every object in the universe is affected by various forces, and this can be seen whenever two or more objects interact. Forces can cause objects to accelerate, slow down, stay still, or change direction. In addition, forces can act over a distance, and can even be attractive or repulsive. Forces come from many sources, such as gravity, friction, and electromagnetic fields.
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Bound hormones can readily leave a blood capillary and get to a target cell.
a. true
b. false
Answers
The statement "Bound hormones cannot readily leave a blood capillary and get to a target cell" is False.
When hormones are bound to a protein, they cannot cross a cell membrane and do not bind to their receptor, resulting in the hormone being inactive.
Hormones are molecules produced by endocrine glands, and they are involved in regulating and coordinating various physiological processes in the body.
They travel throughout the bloodstream and interact with cells in distant parts of the body via specific receptors on target cells.When hormones are in their unbound form, also known as free hormones, they are active and can readily leave a blood capillary and bind to receptors on a target cell.
Bound hormones are transported through the bloodstream attached to specific transport proteins, which help protect them from being broken down or excreted from the body. When the bound hormone reaches its target cell, it must first detach from the transport protein to become active and bind to the receptor.
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at the age of 25, mr. rahmn was less than 4 feet tall. his short stature was probably influenced by the lack of a growth hormone produced by the
Answers
Mr. Rahman is less than 4 feet tall at 25 years old. His short stature may be affected by the lack of growth hormone produced by the pituitary gland.
Growth hormone is a protein hormone that is produced and needed by the body for various growth and development processes, especially increasing height.
Growth hormone is a hormone produced by the anterior pituitary gland or pituitary gland which is located at the base of the brain.
From the pituitary gland, this hormone is released into the bloodstream and then distributed throughout the body. Hormones are not released continuously, but little by little every 3 to 5 hours.
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What events lead to the climax of Hamlet?.
Answers
There are two climax scene. The two climaxes of Hamlet set it apart from other plays. The first climax is when Polonius is killed by Hamlet in act 3, which releases the tension. Many characters pass away during it, ending the overall struggle of the entire piece.
Hamlet engages in blatantly aggressive behaviour and inevitably engages in confrontation with the king when he stabs Polonius through the arras in Act III, scene iv. Hamlet fatally stabs Polonius through the curtain after mistaking him for Claudius. Hamlet also attacks his mother for marrying Claudius so soon after her husband's passing, showing no agony in the process.
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If you gently bend your ear, and then let go, the shape of your ear will return because the cartilage of your ear contains_____.-elastic fibers-adipose tissue-collagenous fibers-reticular fibers
Answers
If you gently bend your ear, and then let go, the shape of your ear will return because the cartilage of your ear contains elastic fibers. Therefore the correct option is option A.
Elastic fibres are a type of connective tissue fibre that has the ability to stretch and recoil, allowing the cartilage to return to its former shape after being bent or distorted.
The ear cartilage is made up of elastic cartilage, which is a flexible, elastic kind of cartilage with a high concentration of elastic fibres.
This enables the ear to bend and flex without breaking or losing shape, as well as to return to its original shape after being bent or handled. Therefore the correct option is option A.
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5. List and define the transport properties that involve elimination of concentration differentials .
Answers
The transport properties that involve the elimination of concentration differentials are Diffusion, Osmosis , Active Transport and Bulk Flow.
Diffusion is the passive movement of molecules from an area of higher concentration to an area of lower concentration. It occurs due to the random motion of particles and is driven by the concentration gradient until equilibrium is reached. Osmosis is the diffusion of water molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. It aims to equalize the concentration of solute on both sides of the membrane.
Active transport is a process that requires the expenditure of energy to move molecules or ions against their concentration gradient. It involves the use of carrier proteins embedded in the cell membrane to transport specific substances across the membrane. Bulk flow is the movement of fluids, such as blood or sap, in response to a pressure gradient. It involves the coordinated movement of a large number of molecules or ions in a particular direction.
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The cellular structure involved in controlling the concentration of solutes within the cell is the.
Answers
The cellular structure involved in controlling the concentration of solutes within the cell is the cell membrane.
In the field of science, the cell membrane can be described as an organelle that is a selectively permeable membrane through which selective substances move in and out of a cell.
The cell membrane acts as a barrier as to which molecule will move across a cell. In this way, the concentration of solutes, as well as solvents, is controlled inside a cell by the cell membrane.
Carious transport methods, such as active transport, diffusion, and facilitated diffusion, are used for the transportation of solutes inside a cell. The cell membrane maintains a favorable environment for a cell by controlling the concentration of solutes that are to be present inside the cell.
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