Answer:
All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Cell division is tightly regulated because the occasional failure of regulation can have life-threatening consequences.
All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Cell division is tightly regulated because the occasional failure of regulation can have life-threatening consequences.
What is cell cycle?Cell cycle has been as the defined as cycle in which cell produces, grows and divides. The cell cycle has mainly three steps the first one has G1 phase in which the size of the cell increases, S phase synthesis of DNA takes place and the third step has G2 phase in which all cell ready to divide.
Cell has been defined as the base of the life as it has the structural as well as functional unit of life. Cell has been made up of pre existing cells and the cell contain various part cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Therefore, All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Cell division is tightly regulated because the occasional failure of regulation can have life-threatening consequences.
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Why are some resources more available than others?
Answer:
Renewable resources, however, can be depleted if not properly managed or conserved. Nonrenewable resources are those natural resources that are depleted more quickly than they can regenerate. Fossil fuels like oil and natural gas were formed over millions of years.
Explanation:
Which of the following is a secondary pollutant? (5 points)
carbon dioxide
carbon monoxide
sulfur dioxide
nitric oxide
nitrogen dioxide
Answer:
The answer is 1. Carbon Dioxide
Answer:
ozone
Explanation:
Ok i need this answered quick please
Answer:
530
Explanation:
magnification =image size /actual size=53/0.1=530
5.3cm =53mm
What was the first living thing on Earth?
Multicellular prokaryotes
Unicellular prokaryotes that have a nucleus
and membrane bound organelles
Unicellular prokaryotes that lack nucleus and
membrane bound organelles.
Answer:
the last one
gotta start small and prokaryotes don't have a nucleus or organelles let alone membrane bound organelles
Explanation:
Which statement about tornadoes is TRUE?
Select one:
Tornadoes occur randomly all over the planet, so it is impossible to determine where tornado risk is high.
Tornadoes do not have any warning signs, so it is impossible to determine when tornadoes are likely to occur.
Tornado conditions occur more often in certain regions, but they are so powerful that there is little residents can do to avoid damage from these events.
Tornado conditions occur more often in certain regions, making it possible to prepare and warn residents when a tornado event is likely.
Answer:
I think it is the last one
clients who present skin abnormalities open pores or fever blisters should be rendered to a what?
Answer:
dermatologist
Explanation:
discuss amoeba as a less complex organism
Answer:
They are called unicellular organisms. One of the simplest living things, an amoeba, is made of only one cell. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, but they are commonly found in ponds and lakes.
Explanation:
If this helps please vote brainiest.
EOC QUESTIONS
1. Which of the following best illustrates natural selection?
a. An organism with favorable genetic variations will tend to survive and breed successfully.
b. A population monopolizes all of the resources in its habitat, forcing other species to migrate.
c. A community whose members work together utilizing all existing resources and migratory routes.
d. The largest organisms in a species receive the only breeding opportunities.
2. In his book On the Origin of the Species, Charles Darwin described how species change over time. Which of the following is NOT part of his observations that describes the mechanisms of natural selection?
a. Organisms produce more offspring than can survive.
b. Disease and natural disaster will limit population growth.
c. Species today descended with modifications from ancestral species.
d. Organisms with advantages will survive and reproduce.
3. Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased. Which of the following describes a necessary condition for these changes in the finch populations to occur?
a. fewer mutations
b. limited food resources
c. limited beak variations
d. overproduction of offspring
4. Which of these would have the least effect on natural selection in a subspecies of giraffes that is geographically isolated from other subspecies of giraffes?
a. available niches
b. existing predators
c. chromosome number
d. available food resources
Q1. A. An organism with favorable genetic variations will tend to survive and breed successfully
Q2. C
Q3.b. limited food resources
Q4.c. chromosome number
There are 1000 micrometres (um) in a millimetre (mm).
The length of the cell in Figure 1 is 1.5 micrometres (um).
Give the length of the cell in millimetres (mm).
(1 Point)
Answer: The length of the cell in millimetres is 0.0015.
Explanation:
Given conversion :
[tex]1000\mu m=1mm[/tex]
Thus [tex]1\mu m=\frac{1}{1000}mm=0.001mm[/tex]
Given : Length of the cell = 1.5 micrometers [tex](\mu m)[/tex]
To find: Length of the cell in milllimeters (mm)
Length of the cell in milllimeters (mm) = [tex]1.5\times 0.001mm=0.0015mm[/tex]
The length of the cell in millimetres is 0.0015.
The copper wire is cut into three pieces of unequal lengths. All three pieces of copper would have (1 point)
A the same mass
B the seſme physical properties
C different crystal structures
D different arrangement of atoms
B.) The same physical properties.
Also the copper wire would also have the same Chemical Properties. They wouldn't have a different arrangements of atoms because that would mean they are a different substance. They wouldn't have the same mass whereas they are now in 2 pieces. Copper is not a crystal meaning it would not have any crystal structures. That leaves the only applicable answer to be B. Also in case you need to find whether or not two identical substances are the same would be by testing the melting point, hardness and solubility. I just finished working on this section in my own 8th grade Science class so I think this should either help you now or later on.
Hope this helps.
-Northstar
How do producers get the nitrogen they need to live and grown
Answer:
Nitrogen Fixation
It is carried out mainly by nitrogen-fixing bacteria, which secrete enzymes needed for the process. Some nitrogen-fixing bacteria live in soil. Others live in the root nodules of legumes such as peas and beans. ... They convert nitrogen gas to nitrate ions that algae and other aquatic producers can use.
Explanation:
Physical or behavioral traits that are best suited for an environment are
known as
Adaptations
Natural selection
Fitness
Diversity
how do cells use oxygen during cellular respiration
Answer:
In cellular respiration, cells use oxygen to break the sugar molecule. That releases the energy which is then transferred to an ATP (adenosine triphosphate) molecule. ATP is the fuel that cells need for energy. And where does cellular respiration happen?
Explanation:
When does energy transfer from the land to the air?
Answer:
Energy transfer in the atmosphere, ocean, and Earth's interior occurs as a result of three basic processes: convection, conduction, and radiation.
Explanation:
Energy transfer in the atmosphere, ocean, and Earth's interior occurs as a result of three basic processes: convection, conduction, and radiation.
What do you mean by energy?The "ability to do work, which is the ability to exert a force causing the displacement of an object" is the definition of energy. Despite this baffling definition, the meaning is quite straightforward: The only thing that makes things move is energy.
There are many different kinds of energy. These, for instance, are: electrical energy, sound energy, chemical energy, nuclear or atomic energy, mechanical energy, heat energy, gravitational energy, mechanical energy, and so on.
The body's capacity to perform work could be used to define energy. – The joule (J) is the SI unit for energy. or 1 kJ equals 1000 J. Energy forms: Potential energy, kinetic energy, heat energy, chemical energy, and light energy are the various forms.
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Why can we predict seasons, moon phases, tides and constellations?
What process occurs during prophase I of meiosis?
1)random fertilization
2)separation of chromosomes
3)cytokinesis
4)crossing-over
Answer:
Separation of Chromosomes
What types of stems are in plants?
O Aerial
O Subterranean
O Acaulescent
O All of the above
Which statement about the relationship between an organism's traits and its genes is true?
A.
Genes code for proteins that determine an organism's traits.
B.
Genes code for the DNA that determines an organism's traits.
C.
An organism's genes are a direct result of its inherited traits.
D.
Traits code for the proteins that determine an organism's genes.
Answer:
A
Explanation:
Answer:
B
Explanation:
Genes code for the DNA that determines an organism's traits.
Occipital and parietal lobes do?
Answer:Each side of your brain contains four lobes. The frontal lobe is important for cognitive functions and control of voluntary movement or activity. The parietal lobe processes information about temperature, taste, touch and movement, while the occipital lobe is primarily responsible for vision.
Explanation:
Define specialization??
Plz help
Answer:
the process of concentrating on and becoming expert in a particular subject or skill.
"the division and specialization of labor"
a particular area which someone concentrates on or is an expert in.
plural noun: specializations; plural noun: specialisations
"an academic whose specialization was Romantic literature"
the adaptation of an organ or part to serve a special function or to suit a particular way of life.
"the way different muscles are constructed allows for specialization of function"
Explanation:
i got u my homie
What is the best way to prevent contracting the influenza virus?
A.taking antibiotics B.getting a vaccination C.Drinking lots of water D.treating water supplies
Answer:
B. Getting a vaccination.
Explanation:
B. Getting A Vaccination
Influenza virus It is a respiratory virus because it infects the respiratory tract including the nose, mouth, bronchi and can even go further into the lungs to the alveoli and cause pneumonia. A person will spread the virus through coughing or sneazing that become airborne droplets. When a suceptible person comes in contact and breathes in these droplets, it causes an infection.
Trust Me HAHA
Why was Fisher skeptical of Mendel's data?
Answer:
It was too perfect
Explanation:
Explain what is different about how genetic
information (DNA) is stored in prokaryotes and
eukaryotes? *
Answer:
The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells have a nucleus.
The nucleus is where cells store their DNA, which is the genetic material.
The nucleus is surrounded by a membrane. ...
Explanation:
All prokaryotes are single-celled (unicellular) organisms.
a laptop power changer has an output of 5.00 V ang has a resistance of 800 ohms. what is the current output of the charger?
Answer:
The correct answer is - 6.25 mAh.
Explanation:
According to the Ohms law of power, the current of a source can be found with the help of the formula
I = V ÷ R
where, I (amps) = V (volts) ÷ R (Ω)
By placing the value given:
I = 5.00/800
I = 6.25 mAh
The current output of the charger would be 6.25 mAh
Which type of root system is found in grasses?
O Taproot system
O Fibrous root system
O Adventitious roots system
O Lateral system
Answer:
O Fibrous root system
Explanation:
I got it correct
In a _____ fault, the hanging wall moves down relative to the footwall.
A. hanging
B. transform
C. reverse
D. normal
Answer: normal
Explanation:
Answer:
It is indeed Normal
Explanation:
What is needed for dna replication select all that apply
Answer:
substrates, template, primer and enzymes.
Explanation:
i need some help asap
Answer:
B) Nucleotides that stores the code for proteins
Explanation:
RNA and DNA are polymers made of long chains of nucleotides
By using mutable collagenous tissue, what advantage do Echinoderms have?
Answer:
The properties of this connective tissue are mutable for a short period of time, under neural control, which provides certain mechanical advantages, which include the ability to maintain various postures without muscular effort; that is, it allows Echinoderms to change the consistency of the body, this is useful to escape predators or crawl along the seabed.
Explanation:
Echinoderms comprise the marine organisms known as starfish, sea urchins, sea cucumbers and sea lilies. These present, for the most part, benthic habits and are distributed from intertidal environments to deep bottoms and at different latitudes. They have a mutable collagenous tissue that allows them to change the consistency of the body, that is, they can rapidly change their stiffness and is involved in processes such as fission and autotomy. Some echinoderms quickly switch back and forth between being soft and stiff, which helps crawl along the seabed. Others twist only once from stiff to soft, letting a starfish cut off one of their arms to escape a predator, that is, they can drop an arm when attacked by a predator. When this happens it is called autotomy or autoamputation and the nervous system tells the mutable collagen tissue near the base of the arm to disintegrate. The wound heals and then the arm grows back, a process that can take weeks to months, depending on the species.
Answer:
saves energy
Explanation:
Mutable collagenous tissue is used to lock an Echinoderm into position.
once a cell becomes specialized, can it become any other type of cell? explain.
Answer:
a cell that has a specific job or function that carries out. -found in multicellular organisms (made of many cells) -once a specialized cell, it can not become any other cell.
Explanation:
Once a cell becomes specialized, it cannot become any other type of cell. This is because, this cell cannot form stem cells which have the ability to form different types of cells in the body.
Specialized cells are the cells which are designed to carry out a particular role in the body, such as that of red blood cells which are designed to carry oxygen gas in the blood. Nerve cells help in the contraction of muscles or the relaxation of muscles according to what the specific job we need them to do.
Cell differentiation is the process of specialization which lead to the formation of different organs such as brain, heart, and all other tissues from the single-cell zygote and the primitive, three-layered embryo.
Once a cell became specialized in the body, it was referred to as terminally differentiated cell. These cells cannot be turned back into a stem cell with the potential to become any type of cell in the body.
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