What differences exist between the Zone of Maturation and Zone of Elongation?
Answers
Answer: Root growth begins with seed germination. ... The zone of elongation is where the newly formed cells increase in length, thereby lengthening the root. Beginning at the first root hair is the zone of cell maturation where the root cells begin to differentiate into special cell types.
Explanation:
Related Questions
What is the spur of a plant
Answers
Spur is an extension of tissues on various organs of the plants. In trees, spurs are the brief stems where the fruits and flowers arise. A spur on a flower is the indented expansion on the nectar of the flower. Its importance is for reproduction purposes.
Bacteria add carbon to the carbon cycle by (1 point)
O being consumed by larger organisms, such as plankton.
O decomposing dead organisms.
exchanging carbon dioxide and oxygen gases
O performing photosynthesis.
Answers
Bacteria and the carbon cycle have an important link, to understand this link we need to know that.....
The carbon cycle
The carbon cycle is constituted by the absorption of carbon dioxide by plants in the process of photosynthesis. Half of this absorbed carbon is released into the atmosphere and the other half the plant uses to produce sugars (glucose). When ingesting plants, animals ingest carbon together for their organism, being released through respiration or its decomposition.
Bacteria add carbon to the carbon cycleFungi and bacteria are responsible for the decomposition of both
Animals and PlantsThey ingest part of this carbon, releasing it to the atmosphere and the soil.
With this information, we can say that bacteria add carbon to the carbon cycle by decomposing dead organisms.
Decomposers, such as bacteria, are extremely important, because without them the carbon cycle would not be complete.
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if one of the 18cm f1 pigs is mated with one of the 6cm f2 pigs, what phenotypic ratio would be predicted if many offspring resulted? diagram the cross.
Answers
If one of the 18-cm F1 pigs is mated with one of the 6-cm F2 pigs, the phenotypic ratio of the offspring will be 1:2:1.
| H h
--|-----
H | HH Hh
h | Hh hh
Assuming that "f1" and "f2" refer to different breeds or genetic backgrounds of pigs, and that the "18cm" and "6cm" measurements refer to some trait of interest (e.g. height, weight, etc.), the predicted phenotypic ratio of the offspring resulting from mating an 18cm f1 pig with a 6cm f2 pig would depend on the mode of inheritance of the trait in question.
Without more information about the trait, it is difficult to predict the phenotypic ratio with certainty. However, as an example, let's assume that the trait is height and that it is controlled by a single gene with incomplete dominance, where the f1 pig is heterozygous for the trait (i.e. Hh) and the f2 pig is homozygous recessive (i.e. hh).
The offspring would have genotypes of HH (18cm), Hh (somewhere between 6cm and 18cm), and hh (6cm) in a 1:2:1 ratio. The corresponding phenotypic ratio would be 1:2:1, with one offspring being tall (18cm), two offspring being intermediate in height (between 6cm and 18cm), and one offspring being short (6cm).
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describe the general structure of DNA.
Answers
Answer:
Helix
Explanation:
Answer:
The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
Explanation:
Earth Science
Which is a difference between visible light and radio waves?
1. Radio waves have less energy than visible light.
2. Radio waves have more energy than visible light.
3. Radio waves can be seen by the human eye
4. Radio waves can produce rainbows.
Answers
1. Compared to visible light, radio waves are less energetic. Compared to radio waves, visible light would have a shorter wavelength and lesser energy.
What distinguishes electromagnetic radiation from light visual light?Even while all electromagnetic energy is light, we can only perceive a small fraction of it, which we refer to as visible light. Our eyes' cone-shaped cells serve as receivers tuned to the wavelengths in this condensed band of the electromagnetic spectrum.
Do radio waves move more quickly than light?The speed and energy of radio waves would be slower than those of visible light. Compared to radio waves, visible light would have a shorter wavelength and lesser energy.
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Gene on a chromosome lies close to another gene controlling a different trait. This indicates that jeans are blank the first gene contributes to the expression of the second gene. This indicates blank
Answers
Answer: genes are linked
Explanation: Gene on a chromosome lies close to another gene controlling a different trait. This indicates that genes are linked, meaning they are physically close to each other on the same chromosome. The proximity of these genes suggests that they are more likely to be inherited together as a unit, rather than independently assorting during the process of genetic recombination.
Carbohydrates main functions
Answers
Answer:
They provide you with energy for daily tasks and are the primary fuel source for your brain's high energy demands.
Explanation:
Why does a compressed air can become extremly cold when you use it?
Answers
Answer:
The reason the compressed air gets cold after being used is due to a process known as adiabatic cooling, a property of thermodynamics. A gas, initially at high pressure, cools significantly when that pressure is released. The compression needed to turn a gas to liquid allows a large amount of gas to fit in a relatively small space, and when that gas is released to a large space, it rapidly expands to fill the space.
During what stage of development do cells
differentiate?
A. at fertilization
B. once birthed
C. as a zygote
Answers
Answer:
at fertilization
Explanation:
As a soccer player dodges players of the opposite team on the field, her joints must be stabilized in many different directions. Which tissues help to stabilize joints in motion? Check all of the boxes that apply.
muscles
blood vessels
ligaments
nerves
Answers
Answer: Ligaments and muscles
Explanation:
I said what I said
Answer: muscles and ligaments
Explanation:
what is stained by the initial dye in the capsular stain procedure
Answers
The capsular stain procedure is a technique used to visualize the capsular layer surrounding bacterial cells. This layer is made up of a polysaccharide material that is resistant to staining, making it difficult to observe under a microscope.
In the capsular stain procedure, the initial dye used is usually crystal violet or gentian violet. This dye is applied to the bacterial sample and allowed to penetrate the cell wall, staining the cytoplasmic material. After the initial dye has been applied and washed off, a counterstain is added. The counterstain is typically a basic dye, such as safranin or fuchsin, which stains any cell structures that were not stained by the initial dye. In the capsular stain procedure, the initial dye does not stain the capsular layer directly.
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What is the typical magnification of an ocular lens? What other magnifications are possible?
(Subject science)
Answers
Answer:
An ocular lens consists of one to three lenses and is also provided with a mechanism, called a field stop, that removes unnecessary reflected light and aberration. Different types are available according to the magnification they provide, such as 7x and 15x.
Umm.. What is the answer then please help
Answers
Answer:
c
Explanation:
neurofibromatosis is a dominatn disorder. if a heterozygous woman reproudces with a homozygous normal man, what are the chances a child will have neurofibromatosis
Answers
There is a 50% chance of a homozygous man marries a heterozygous female that their children will have neurofibromatosis.
Neurofibromatosis is a disease that results in brain tumor formation. spine, as well as nerves.
This disorder cannot be cured, but treatment can assist and can endure a lifetime or for many years.
Typically, neurofibromatosis is not malignant. This disorder comes in three different forms. Bone deformities, learning problems, and high blood pressure are examples of type 1. Vertigo, hearing and vision loss, and type 2 can all be symptoms. Chronic discomfort may result from type 3.
Because neurofibromatosis is an autosomal (non-sex chromosome) dominant condition, it can be passed down through generations by a single mutated gene from one of the parents. And there is a 50% chance that the affected genes will be passed on to the offspring.
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What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates?.
Answers
Have a body cavity completely lined by mesodermal tissue whereas pseudocoelomates do not.
A pseudocolor is a coelom located between mesodermal and endoderm tissues and not completely surrounded by mesodermal tissue. The true coelom is completely surrounded by mesodermal tissue and thus can be divided into compartments. Coelomate Annelida strains contain segmented worms and include earthworms and leeches.
The most distinctive feature of the torso is metamerism the division of the body into similar parts or segments arranged in a linear array along the anterior-posterior axis of the torso. The advantage of body cavities is that the fluid-filled cavities around the organs create a hydrostatic skeleton to aid movement, allowing more efficient circulation of nutrients and removal of waste products.
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A farming consortium is experiencing serious problems establishing stable and profitable rice production in their Northern California acreage. It is unclear whether the problem is the strain of rice being used, or a range of local environmental issues, including local pests and local soil conditions. Which of the following plant professionals is the company most likely to choose to address this problem?
A. An arborist
B. An agronomist
C. An olericulturalist
D. A pomologist
Answers
Answer:
B
Explanation:
just took the quiz
Prokaryotic cells _______ have a nucleus or membrane bound organelles.
Answers
Prokaryotic cells *dont* have a nucleus or membrane bound organelles.
Explanation:Prokaryotic cells do not have a nucleus; rather, they have a membraneless nucleoid region (open part of the cell) that holds free-floating DNA.
hope this help!
Throughout the cell cycle, there are numerous checkpoints, or proofreading stops. These checkpoints are extremely beneficial for making sure the intricate steps of growth, repair, and replication are being performed correctly.
Why do you think the cell would need these checkpoints? What do you think would happen if the cell did not get checked at certain phases?
Answers
Answer:
Explanation:
Cells need checkpoints to ensure that no error is present in the DNA or even in the cellular surroundings. It is critical that all "boxes" are checked before continuing because this ensures that no major errors are faced down the line. Cells are basic unit of life so if cells are not accurate or full of errors then tissues are affected, which affects organs, and eventually organ system and in final the whole organism. Thus, checkpoints ensure that errors are caught early and dealt with properly.
If cell did not get checked at certain phases, mistakes would go by unnoticed which could affect the whole organism (see my explaination above). Also, checkpoints ensure that cell growth is controlled (that is unwanted replication do not occur). If there are no checkpoints then cell can continue to grow and eventually uncontrolled growth of cells is referred to as cancer.
Practice Quiz 2.1 - 2.2
2
Which one of the following is NOT a function of glial cells?
a.getting nutrients to the neurons
b.generating action potentials
c.cleaning up the remains of dead neurons
d.providing insulation
Answers
C. Removing the ruins of deceased neurons. The neurons are supported structurally and with nutrition by glial cells that surround them.
The four basic roles for glial cells seem to be: to wrap neurons & hold him in place, to feed nutrition and water to neurons, to isolate one neuron from the other, and to kill and remove the corpses of deceased neurons (clean up). The neurons are supported structurally and with nutrition by glial cells that surround them. The nerves are membranes that surround the spinal cord and brain. The cerebro - spinal fluid envelops the spinal cord and brain. Glia play a key role in synaptic plasticity & synaptogenesis as well as in the growth of the nervous system. Glia play a part in controlling how quickly injured neurons heal. Glia inhibit repair inside the nervous system (CNS).
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4. Migration of animals in the savanna is mostly a response to...
A. predation
B. altitude
C. rainfall
D. temperature
Answers
Answer:
D
Explanation:
Answer:
Rainfall?
Explanation:
Im not sure on this but I think this is the correct answer.
A scientist is studying an organism and has classified it as an animal. Which statement must be true about the organism? It is multicellular. It displays radial symmetry. It has a backbone. It contains cells without nuclei.
Answers
Answer:
i think A
Explanation:
Answer:
A - it is multicellular
Explanation:
The answer is A because the orgaNism the scientist is studying is being classified as an animal.
They are asking what is true about the orgaNism (not what made the scientist classify it as an animal)
When looking at the options you can see that:
A - All animals are multicEllular
B - some animals have raDial symmEtry but some don't
C - some have a bAckbone while some don't
D - all animal cells contain a nUcleus, so the last one is 100% incorrect
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A. Origin of Life- Scientists Hypotheses Disproving Spontaneous Generation (Word Bank: air, sealed, open, bacteria, gauze, spontaneously) Through the early 1800s, people believed organisms could ________________ develop, an idea known as spontaneous generation. In 1668, many believed maggots were spontaneous generated from rotting meat. Francis Redi’s experiment disproved this by experimenting with meat in open_jars, tightly snealed_jars and jars covered with cloth netting. It was also believed that bacteria spontaneously generated in broth. Lazzaro Spallanzani removed the _________ from a flask, __________ the broth and sealed the flask. No bacteria generated without exposure to the air. Some people still supported spontaneous generation but thought that air was a ________ force, necessary for it to occur. In 1859, Louis Pasteur completely disproved spontaneous generation by using a special flask that allow ______________ in but captured bacteria before it could get to the broth. No _________________ grew in the flask after boiling = no spontaneous generation. 2. First Life (Word Bank: eukaryotes, prokaryotic, variety, self-replicating, organic, photosynthesis, oxygen) Earth’s atmosphere had to be very hot and with little oxygen for the first ________________ molecules to first form. Organic molecules clumped together for form ______________________ structures that later evolved into cells. __________________________ cells were the first to evolve. When cells gained the ability to do ___________________________, they used up carbon dioxide and put more __________________ into the atmosphere.
Answers
Answer:
gg
Explanation:
ggd
Lactose is found in milk products. It is converted by the body into a usable form in a series of chemical reactions. The diagram shows the series of reactions that convert lactose into a usable form.
Responses
Each enzyme is specific to its substrate.
Each enzyme is specific to its substrate.
The equilibrium of the reaction is maintained.
The equilibrium of the reaction is maintained.
The reaction rate decreases.
The reaction rate decreases.
The enzyme will be broken down for energy.
The enzyme will be broken down for energy.
Answers
Lactose is found in milk products. It is converted by the body into a usable form in a series of chemical reactions. The diagram shows the series of reactions that convert lactose into a usable form. The appropriate response will be Each enzyme is specific to its substrate.
What is an enzyme?Enzymes are described as proteins that act as biological catalysts by accelerating chemical reactions.
There are several factors that cause an enzyme to be denatured; one of them is an increase in temperature.
So, when enzyme II is denatured, its molecular structure changes, and it In conclusion, the galactose increases when enzyme II is denatured.
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What adaptations allowed vascular plants to thrive in terrestrial environments that cannot be colonized by bryophytes
Answers
Answer:
Stomata, tracheids, a waxy cuticle
Explanation:
The adaptations that allowed vascular plants to thrive in terrestrial environments that cannot be colonized by bryophytes is the presence of stomata, tracheids and a waxy cuticle. Therefore, the correct option is D.
What are the adaptations of vascular plants?Vascular plants have several adaptations that allow them to thrive in terrestrial environments that bryophytes, such as mosses and liverworts, cannot colonize. These adaptations include stomata, tracheids, and a waxy cuticle.
Stomata are small pores on the surface of leaves that allow for gas exchange, which is essential for photosynthesis. Tracheids are specialized cells that make up the xylem, a tissue that transports water and nutrients throughout the plant. A waxy cuticle is a layer of waterproof material that covers the surface of leaves and stems, preventing excessive water loss and protecting the plant from damage.Together, these adaptations allow vascular plants to thrive in a wide range of terrestrial environments, from arid deserts to humid rainforests. Therefore, the correct option is D.
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The question is incomplete, but most probably the complete question is,
What adaptations allowed vascular plants to thrive in terrestrial environments that cannot be colonized by bryophytes:
A. stomata,
B. tracheids,
C. a waxy cuticle
D. All of the above.
DMD is a disease that is carried form one gene to another who is the carrier of the genetic disease
Answers
Answer:
DMD is inherited as an X-linked disease. X-linked genetic disorders are conditions caused by an abnormal gene on the X chromosome and manifest mostly in males. Females that have a defective gene present on one of their X chromosomes are carriers for that disorder.
Explanation:
this is the correct answer happy
To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:
Answers
Answer:
needle
Explanation:
Asepsis refers to the absence of bacteria, viruses, and other microorganisms. When handling a syringe the user can handle all parts of the syringe except for the needle. As soon as the needle comes into contact with anything it can immediately come into contact with bacteria, viruses, and other microorganisms. Which can cause an infection in the individual on which the syringe is being used on.
If an epithelium has all cells touching the basement membrane, but not all cells reach the apical surface, that epithelium would be called a ________ epithelium.
Answers
If an epithelium has all cells touching the basement membrane, but not all cells reach the apical surface, that epithelium would be called a simple columnar epithelium.
The single layer of cells that make up the simple columnar epithelium are taller than they are wide. This kind of epithelium borders the small intestine and is responsible for absorbing nutrients from the gut's lumen. The stomach has simple columnar epithelia as well, which secretes mucus, acid, and digesting enzymes.
A basement membrane adheres to the basal surface of every epithelial cell. The basement membrane binds a layer of epithelial cells together and offers some mechanical support.
Although some cells do not reach the apical surface, all of the cells are in contact with the basal lamina despite the illusion of stratification caused by the arrangement.
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help please...........................................................
Answers
Answer:
go to school and learn somethinggg ,listen to your teacher and you will soon,
two chromosomes that each have genes for the same characters are
Answers
Answer:
These are called homologous chromosomes, or homologs.
Like all
les
Proteins are very large
compounds. What is another
word that we use for "very
large compounds"?
A. simple compounds
B. macromolecules
C. microscopic
Answers
B. Macromolecules is the answer.
Answer:
Macromolecules
Explanation:
Macromolecule: A giant molecule formed by the joining of smaller molecules