Answer:
"Growth happens when cartilage cells increase in number in these growth plates. New cartilage cells push older, larger cartilage cells towards the middle of a bone. When we're about 25 years old, most of our bones have finished growing"
It doesn't say "the following" so I don't know what the options are but I hope this helps.
How does the myosin head obtain the energy required for activation?.
The myosin head obtains the energy required for activation from the hydrolysis of ATP. This molecule contains high-energy phosphate bonds.
What is ATP?Adenosine triphosphate (ATP) is a nucleoside triphosphate used to carry out many cellular processes.
ATP is also one of the nucleotides used during transcription to generate an RNA strand (ofter mRNA).
Myosin is a motor protein that converts chemical energy (ATP) to mechanical energy and thus produces a given movement.
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which best describe cancer cells
Answer:
Cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells.
Which mineral is a secondary nutrient for plants?
A.nitrogen
B. phosphorus
C. potassium
D. calcium
Answer:
Hello!
A mineral that is a secondary nutrient for plants is calcium.
Hope this helps!
Which elements are common to all four of the base nucleotides found in DNA? Select all that apply.
nitrogen
sodium
carbon
iron
Explanation:
The nitrogenous bases of nucleotides are organic (carbon-based) molecules made up of nitrogen-containing ring structures. Why is it called a base? Each nucleotide in DNA contains one of four possible nitrogenous bases: adenine (A), guanine (G) cytosine (C), and thymine (T)
Answer:
nitrogen, carbon
Explanation:
DNA nucleotide consists of a phosphate group, deoxyribose sugar and one of the 4 possible bases- adenine, guanine, cytosine and thymine.
The elements that are found in four of the bases are carbon, nitrogen and hydrogen.
Base pairing occurs between a purine and a pyrimidine. Purines are fused double ring structures and can be adenine or guanine, while pyrimidines are single ring structures and can be cytosine and thymine in the case of DNA.
Upon reaching the threshold for an action potential, the next step in its generation is the opening of _______ channels.
Upon reaching the threshold for an action potential, the next step in its generation is the opening of _sodium (Na)_ channels. The correct answer is sodium,
How does membrane depolarization occur?The occurrence of action potential requires the existence of active voltage-dependent channels to open and close in response to the membrane depolarization.
When depolarization reaches and supers the threshold point, voltage-dependent Na+ channels open and the ion gets into the cell.
The entrance of Na+ decreases the electric charge difference between the cellular interior and exterior. Membrane depolarizes and produces the action potential that tends to reach a potential equilibrium for Na+ = +60mV.
The higher the Na+ input is, the greater is the depolarization and the greater is the Na+ permeability.
Once Na+ channels are closed, voltage-dependent K+ channels open, increasing the membrane permeability to the ion, letting K+ get out of the cell, following the electrochemical gradient.
The closure of Na+ channels and opening of K+ channels are responsible for membrane repolarization.
You will learn more about action potential at
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What can be concluded about clades 2 and 4 from this cladogram? The image depicts a cladogram with numbered and lettered branches. The image includes clades one, three, and seven on one fork of the tree, and clades two and four on the other. From clade one moving up the tree, the first fork is clade two which ends in organism group D. From clade two, clade five diverges ending in organism group C. Clade one continues up the tree, ending in organism group A. Toward the end of clade one, clade four diverges, ending in organism group B. On the remaining branch of the tree, moving upward from clade one, clade three diverges, ending in organism group E. From clade three, clade six diverges ending in organism group F. Clade seven diverges from the main branch, ending in organism group G, and the main branch ends in organism group H. Clade 2 was derived from clade 4. Clade 4 is ancestral to clade 2. Clade 4 was derived from clade 2. Clade 2 is a subset of clade 4.
Answer:
Clade 4 was derived from clade 2.
Explanation:
Answer:
Clade 4 was derived from clade 2.
Explanation:
What is a facilitated diffusion?
how was the solar system originated according to the nebular hypothesis?
Answer: The Sun and all the planets of our Solar System began as a giant cloud of molecular gas and dust. Then, about 4.57 billion years ago, something happened that caused the cloud to collapse.
Hope this helps!
Even though most plants are angiosperms, gymnosperms still have an advantage in certain environments. In what type of environments are gymnosperms more successful than angiosperms
What would be the complimentary strand of the
following?
ATC CCG GTA
•TAG GCC CAT
•TAC CCG GTA
•ATC CCG GTA
•TAG GGC CAT
HELP PLEASE
Answer:
TAG GGC CAT
Explanation:
A always pairs with T
C always pairs with G
Answer:
TAG GCC CAT
Explanation:
C goes with G
A goes with T
what might happen if cyclins were produced constantly throughout the cell cycle
please help
Answer:
What would happen to a cell if cyclin was constitutively expressed? -Cyclin-dependent kinases would be deactivated.
Breath-testing devices measure the ratio of concentration of alcohol in the ________to the concentration in the________
a. Breath, stomach
b. Blood, stomach
c. Breath, blood
d. Blood, vein
Which factor influences the mass movement of particles?
-
wind blowing across a body of water
addition of vegetation to a slope
large rocks and debris on a slope
puddle of water resting on flat land
Answer: c. large rocks and debris on a slope
Explanation:
What dna bases are allowed to connect with one another?.
Answer:
Adenine always binds to thymine.
Explanation:
Hope this helps, God bless!
BRAINLIEST IF CORRECT
Which of the following are correctly balanced reactions?
Answer:
A. Mg + FeO ---> Fe + MgO
Explanation:
Just look at the numbers and check if they are equal or not. If equal, its a balanced reaction and if not, then its unbalanced reaction.
What does it mean for a trait, such as light skin coloration, to be under negative selection in equatorial Africa? Relate negative selective pressure to what we know about MC1R allele diversity among African populations.
It means that there is selection against that trait.
Hope this helps,
- ROR
The spread of the impulse through the ventricles (ventricular depolarization) is depicted on the ECG as the:
Given what we know, we can confirm that when reading an ECG, the ventricular depolarization will be depicted as the QRS complex.
What does each wave represent?In an ECG, each wave or group of waves represents a different aspect of the heartbeat. The values are as follows:
The P wave represents atrial depolarization.The QRS complex then shows ventricular depolarization.The T wave represents ventricular repolarization.Therefore, we can confirm that when reading an ECG, the ventricular depolarization will be represented by the QRS complex.
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What happens to cells when they undergo differentiation?.
Answer:
It causes deceases.
Explanation:
The process through which a cell transforms from one cell type to another is known as cellular differentiation. In most cases, the cell transforms into a more specialized form. As a multicellular organism develops from a basic zygote to a complex system of tissues and cell types, it undergoes many stages of differentiation.
~
Hope this helps!
The first article that you’ll analyze is from the National Oceanic and Atmospheric Administration (NOAA). Read the article and list three conclusions the author draws about human involvement in climate change. In two to three sentences, describe the evidence cited that explains each conclusion.
The first article that you’ll analyze is from the National Oceanic and Atmospheric Administration (NOAA). Read the article and list three conclusions the author draws about human involvement in climate change. In two to three sentences, describe the evidence cited that explains each conclusion.
The first article that you’ll analyze is from the National Oceanic and Atmospheric Administration (NOAA). Read the article and list three conclusions the author draws about human involvement in climate change. In two to three sentences, describe the evidence cited that explains each conclusion.
The three conclusions drawn about human involvement in climate change include:
Deforestation UrbanizationBurning of fossil fuel.What is Climate change?This refers to the long-term shifts in temperatures and weather patterns in which human activity plays a major role.
The activities mentioned above have led to an increase in the the amount of greenhouse gases in the atmosphere thereby leading to global warming nand change in climate patterns.
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The article explains what historians and economists call the "Great Recession." It discusses the measurements shown in the table--GDP and unemployment--as well as some other economic indicators from that period. It cites data including that GDP fell 4.3%, unemployment peaked at 10%, and home prices dropped by 30% during this time of economic downturn. According to the article, the government intervened to try to help regulate the recession by creating a stimulus program that involved government spending and tax cuts.
(sample answer on Edmentum)
How can a shipwreck that is left in place on the ocean floor benefit marine life?.
Answer:
Nutrition and Shelter
Explanation:
the remaining fossils and foods can be used as nutrition for algae and fish living in that area. as well as the shelter used for fish to hide and reproduce/rest/cool down.
Answer:
I got you
Explanation: How can a shipwreck that is left in place on the ocean floor benefit marine life - The fossil fuel in its engines can become food for algae and fish. Its interior can release oxygen from the surface to the deep ocean. It can provide a hard surface where organisms can attach and live. Also, the wreck can become an artificial Reef and protection from predators.
Hope this helps :D
Glucose is broken down in the chemical processes of aerobic respiration.
Which row of the table below shows the correct products of this breakdown?
[tex]\bold{\huge{\purple{\underline{ Answer }}}}[/tex]
Aerobic respiration :- Aerobic respiration is process of respiration in which complete oxidation of glucose takes place in the presence of oxygen
That is,
Aerobic respiration is takes place in four stages :-
GlycolysisThe link reaction The Krebs cycle Oxidative phosphorylationIn aerobic respiration, Glucose with 6 carbon atoms broken into 2 pyruvic acid each with 3 carbon atom and produces water + CO2 + energy.
Whereas,Anaerobic respiration :- is the process of respiration in which incomplete oxidation of glucose takes place in the absence of oxygen
The end products of glucose in anaerobic respiration is
In human muscles, Lactic acid + Energy In yeast, Ethanol + CO2 + EnergyHence, Option D is the correct answer.
Select the correct answer from each drop-down menu.
Arya is writing a research paper about physicist Milutin Milankovitch. Help Arya complete the following paragraph of her essay.
First dropdown: tilt, length, rotational path.
Second dropdown: the same in both of the hemispheres, more extreme and hotter, milder and cooler.
Third dropdown: wobble, length, speed.
Answer:I know the first drop down is rotational path but I can't figure out the other. Sorry
Explanation:
pls help me, I can't afford to fail this class
Answer:
the first one is diploid
meoisis produces haploid gametes that have half the number of chromosomes (23).
not sure about the rest
Explanation:
what feature listed not part of the groundwater system?
A-confined water
B-underwater spring
C-lake
Answer: Lake
Explanation:
help lol
the options (for all) are
radiation
convection
conduction
A planet has been observed orbiting a nearby star. This star has a mass of 3. 5 solar masses, and the planet is 4. 2 AU from the star. What is the planet’s orbital period in Earth years? Round your answer to the nearest whole number. Earth years.
Planets rotate and revolve around the sun in fixed orbits and are at a specified distance from the sun. The planet's orbital period will be 4.6 years.
What is an orbital period?The time taken by the planet to complete one revolution around the sun in their fixed orbits is called the orbital period of the planet.
The period can be determined using Kepler's third law:
[tex]\rm T^{2} = \dfrac{4\pi ^{2}}{GM}\times a^{2}[/tex]
Where,
The orbital period of a planet (T) = ?Distance form sun (a) = [tex]\rm 6.28\times 10^{11} m[/tex]Gravitational constant (G) = [tex]\rm 6.67 \times 10^{-11} m^{3}kg^{-1}s^{-2}[/tex]Mass of the parent star (M) = [tex]\rm 6.96 \times 10^{30} kg[/tex]Substituting values in the above equation:
[tex]\begin{aligned}\rm T&= \sqrt{\dfrac{4\pi ^{2}}{6.67\times 10^{-11}\times 6.96\times 10^{30}}\times (6.28\times 10^{11})^{3}} \\\\&=145,128,196\;\rm seconds\end{aligned}[/tex]
Therefore, 4.6 years is the orbital period of the planet.
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Three organisms that are carnivores
Answer:
vultures
fox
plants
hope I'm right
EARTH SPACE SCIENCE but they didn't have that option
how to make a causal loop diagram on the jurassic - triassic extinction
Answer:
\frac{y}{y} - 5 + \frac{1}{y} + 8
y
y
−5+
y
1
+8
→(1 - 5) + \frac{1}{y} + 8(1−5)+
y
1
+8
→-4 = \frac{ - 4}{1} = \frac{ - 4 \: • \: y}{y}−4=
1
−4
=
y
−4•y
→\frac{ - 4 \: • \: y + 1}{y} = \frac{1 - 4y}{y}
y
−4•y+1
=
y
1−4y
→\frac{(1 - 4y)}{y} + 8
y
(1−4y)
+8
→8 = \frac{8}{1} = \frac{8 \: • \: y}{y}8=
1
8
=
y
8•y
→\frac{(1 - 4y) + 8 \: • \: y}{y} = \frac{4y + 1}{y}
y
(1−4y)+8•y
=
y
4y+1
→\frac{4y + 1}{y}
y
4y+1
What does it tell us when some genes are highly expressed in healthy cells but not expressed in cancer cells
Answer:
A red spot means that the gene is expressed in cancer cells but not expressed in normal cells. This gene may be involved in causing colon cancer. A yellow spot mean that the gene is expressed in both normal and cancer cells
Explanation:
if both parents are heterozygous for both traits what are the expected phenotypes of their offspring
Answer:
9:3:3:1
Explanation: If both are heterozygous for both traits in a dihybrid cross, the phenotypic ratio will be 9:3:3:1.