Answer:
Acids are compounds that dissociate (break) into hydrogen (H+) ions and another compound when placed in an aqueous solution. ... If one of the ions is OH-, the solution is basic. An example of a strong base is sodium hydroxide (NaOH).
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Plants participate in both short- and long-distance signaling. Explain how nerve cells show these two functions, as well. (3 points)
Nerve cells release chemical signals into synapses between them (short distance). They also transverse their lengths with an electrical signal that can result in signal travel along a series of cells (long distance).
Nerve cells release hormones into the synapses between them (short distance). These hormones can also transverse the bloodstream (long distance).
Nerve cells release neurotransmitters into gap junctions between them (short distance). They also use electrochemical gradients that can travel the length of each cell quickly, along a network of cells (long distance).
Nerve cells use plasmodesmata to communicate between them individually (short distance). They also use ion-gated channels to create an electrochemical signal that can be propagated over long distances in their network (long distance).
Answer:
Nerve cells release chemical signals into synapses between them (short distance). They also transverse their lengths with an electrical signal that can result in signal travel along a series of cells (long distance).
Explanation:
Nerve cells release neurotransmitters in the synaptic cleft which are capable of affecting nearby cells such as other nerve cells and muscle cells. Neurotransmitter molecules include, among others, serotonin, acetylcholine, dopamine, norepinephrine and histamine. Moreover, the synaptic cleft is the space that separates a neuron cell and its target cell. On the other hand, neurons transmit signals through electrical impulses. Electrical impulses travel long distances in the body carried by axons of the nerves. Thus, nerve impulses connect the brain and spinal cord and they carry signals to different parts of the body.
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According to the graph, what condition is best for enzyme activity?
Answer:
C
Explanation:
Highest peck in enzyme activities
Tissue → Organ → → Organism
13. Which of the following levels of organization would accurately fill the gap in the diagram above?
A cell B molecule C organism system D population
Which of the following nitrogen bases is present only in RNA and not in DNA?
Answer:
The nitrogen base uracil is only present in RNA. It replaces the Thymine used in DNA and bonds with Adenine.
Explanation:
Long lashes (L) are dominant over short eyelashes (l). Complete a Punnett Square crossing two parents that are both heterozygous for long eyelashes.
Order the following liquids form most dense to least dense: Water, Pancake Syrup/Maple Syrup, Cooking Oil, Milk, Dish Soap HELPP PLZZZ I WILL GIVE BRAINLIEST TO THIS AND MY OTHER QUESTIONS
Answer:
first is syrup than dish soap than milk than water than oil.
a cell was poisoned by a substance that destroyed all of its mitochondria. which cell transport processes would be able to still continue?
Answer:
Nothing
Explanation:
If a cell's mitochondria were destroyed it would die. Mitochondria are the power houses of the cell and without energy, necessary reactions could not take place .
If a mitochondria stopped working the cell would not have its respiratory function such as to use carbon dioxide, water, and energy in which the cell needs to survive so the cell would eventually stop moving and slowly die out with no nutrients and energy.
17. Which of the following best describes how amino acids affect the tertiary structure of a
protein?
a) The number of amino acids determines the tertiary structure of the protein.
b) The interactions of the different R-groups with other R-groups and with their environment
determine the tertiary structure of the protein.
c) The R-group of the last amino acid that is added to a growing polypeptide chain
determines the next amino acid that is added to the chain.
d) The sequence of the amino acids in the polypeptide chain determines the protein's
primary structure but has no effect on its tertiary structure.
Answer:
It is B
Explanation:
I had this question on my test last week
The tertiary structure of the protein is determined by the interactions of the different R-groups with other R-groups and with their environment in the protein (Option B).
An R-group (also called variable group) is a side chain that is attached to the α-carbon of the amino acids, the building blocks of proteins.The linear sequence of amino acids within a protein is the primary structure of proteins. The second structure of proteins is determined by the pattern of hydrogen bonding in the peptide backbone. The most common secondary structures of the proteins are alpha-helices and beta-sheets.The protein tertiary structure is the 3D (tridimensional) shape of the protein, which is due to interaction among R groups of amino acids and with their environment.The most common tertiary structures of the proteins are globular and fibrous structures.Finally, the quaternary structure of the proteins is determined by the interaction of several protein chains or subunits.In conclusion, the tertiary structure of the protein is determined by the interactions of the R-groups and with their environment in the protein (Option B is correct).
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How are precipitation and temperature different between the polar and tropical climate zones?
Answer:
Ok ill do it :D
The polar and tropical region temperature and preticaplation are different in many ways. The tropical climate temperature is warm compared to the Polar temperature The Tropical region precipitation is rain and lots of rain. The polar regions precipitation is mostly snow and hail. These two climate zones are different because where they are located on the globe. All in all there are many differences between these two regions.
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Explanation:
given the Dna Strand: ATG-CAG-AGA how would i transcribe the corresponding RNA Strand ?
Answer:
The RNA strand that is transcribed from the DNA strand sequence ATG-CAG-AGA is UAC-GUC-UCU, according to the complementarity of nitrogenous bases.
Explanation:
In order for DNA to RNA transcription to occur, one must be aware that:
The transcription meets the criteria of base complementarity, where a purine binds to a pyrimidine. In RNA there is no thymine, so it is replaced by uracil.Given a given sequence of bases the RNA resulting from transcription will be governed by these rules:
DNA: ATG-CAG-AGA
RNA: UAC-GUC-UCU
Where:
Adenine is transcribed in Uracil. Thymine (DNA) is transcribed into Adenine. Cytosine is transcribed into Guanine. Guanine is transcribed into Cytosine.DESCRIBE THE FUNCTION OF A CELL MEMBRANE AND ITS RELATIONSHIP TO WHAT HAPPENS INSIDE A CELL
Answer:
cell membrane's main function is to act as a selectively permeable barrier to the transport of materials across it. Membrane is made up of phospholipids arranged in a bilayer fashion. The phospholipids are amphipathic in nature, that is, contain both a hydrophobic and a hydrophilic end.
Explanation:
type a paragraph summarizing cellular division and differentiation
PLS HELP!!! PROJECT DUE IN 30 MINUTES!!
Answer:
Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. ... Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and during normal cell turnover.
Answer:
Cellular differentiation is when a cell changes from one cell type to another—usually, the cell changes to a more specialized class. Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and average cell turnover.
Explanation:
IM A DIFFERENT BREED!
A brown eyed person (BB) and a blue eyed person (bb) have several children. Which of these statements describe the probable eye color of their children?
1.All will have blue eyes
2.All will have brown eyes
3.Half will have brown eyes, and half will have blue eyes
4.Less than half will have brown eye
Answer:
2. B. All will have Brown Eyes
Explanation:
Brown is dominant, so all children will have Bb, brown eyes
Answer:
Im pretty sure theyll have brown eyes if not my bad
Explanation:
What goes in the blank ?
Answer:
I would say the answer is cells, because you basically need cells to live
Explanation:
The nucleus _____.
A.has a net negative charge
B.contains the electrons, protons, and neutrons
C.is the center core of an atom
Answer:
C
Explanation:
Answer:
C.
Explanation:
A. is wrong because the electrons are on the outermost of the atom; that would also mean that B. is wrong. C is correct because the nucleus is, in fact, the center core of the atom.
Exercise 4 (Module 6.9) Glycolysis is the first of three steps in cellular respiration. Review glycolysis by matching each phrase on the right with a term on the left. Some terms are used twice.
_____ 1. Compound formed between glucose and pyruvic acid
_____2. Not involved in glycolysis _____3. Fuel molecule broken down in glycolysis
_____ 4. Produced by substrate-level phosphorylation
_____5. Invested to energize glucose molecule at start of process
_____ 6. Reduced as glucose is'oxddized _____7. Glucose converted to two molecules of this
_____8. Assembled to make ATP
_____9. "Splitting of sugar"
_____10. Carries hydrogen and electrons from oxidation of glucose
A NADH
B. Pyruvic acid
C. ATP
D. NAD+
E Glucose
F. Glycolysis
G. ADP and P
H. Oxygen
I. Intermediate
Answer:
Explanation:
?????????? i don't undrssanted
For lunch, Pat had a baked potato and Erin had a hamburger with no bun. They each consumed the same amount of biomass, but from different trophic levels. In comparison to the amount of land required to produce Pat’s potato, how much land was required to produce Erin’s hamburger?
a. about 10% as much land to produce the hamburger
b. about the same amount of land to produce the hamburger and the potato
c. about 10 times as much land to produce the hamburger
The land was required to produce Erin’s hamburger is about the same amount of land to produce the hamburger and the potato. Option B. This is further explained below.
What is land production?Generally, land natural resource required to generate commodities and services is included.
In conclusion, we see that It takes roughly the same amount of land to produce a hamburger as a potato.
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Answer:
I believe it's B, its been a while since I last studied cells so I might be wrong
Explanation:
Answer:
B
Explanation
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heart muscle cells have alot of mitochondria. why do you think this is?
Answer:
The heart is a vital organ with a high metabolic demand. Our heart muscles contain so much mitochondria because those muscles are very active in our body and require lots of energy to constantly pump blood through our circulatory system.
Explanation:
which of the following statements best explains why plants wilt
Answer:
needs more context bro
It takes 7.5 hours for a Galapagos giant tortoise to travel 1.5 miles. What
is the speed of the turtle?
Answer: I think it is 5hrs per mile
7.5/1.5=5
5*1.5=7.5
The increase of carbon dioxide in the atmosphere is contributing to a global rise in Earth's temperature, known as.....________ & ________
Answer:
Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on the atmospheric level of carbon dioxide
Explanation:
Insert word in for the line (the given statements are definitions of the word):
_______________- a threshold of resources and a maximum number of species that can survive in an environment.
______________- more than the carrying capacity.
Answer:
1: carrying capacity
Explanation:
Answer:
Explanation:
Carrying capacity _- a threshold of resources and a maximum number of species that can survive in an environment
Biological surplus - more than the carrying capacity
Why is solar energy considered a inexhaustible energy resource
Answer:
because it doesn't run out & you can always get more
Explanation:
woo hoo
Which of the following occurs during telophase II? Select all that apply.
1) New nuclei begin to form
2) The centrioles pull at the chromatids
3) Chromatids arrive at opposite ends of the cell
4) Chromosomes are drawn to the metaphase plate
5) Cytoplasm divides and two daughter cells are formed
Answer: 1, 3, 5
new nuclei begin to form
chromatids arrive at opposite ends of the cell
cytoplasm divides and two daughter cells are formed
Answer:
Which of the following is the correct order of the stages of meiosis II?
prophase, metaphase, anaphase, telophase
Which of the following occurs during telophase II? Select all that apply.
new nuclei begin to form
chromatids arrive at opposite ends of the cell
cytoplasm divides and two daughter cells are formed
Explanation:
A proton is a very tiny particle inside an atom. The mass of the proton is estimated to be 0.00000000000000000000000167 g. What is the mass of a proton in specific notion?
A. 1.67 x 10 24 g
B. 16.7 x 10 -25 g
C. 167 x 10 -26 g
D. 1.67 x 10 -24 g
Answer:
The proton is 1.6726×10−27 kg
Answer:
1.67 x 10-24g
Explanation:
a variable that stands alone and isn’t changed by the other variables you are trying to measure
Question 6 options:
independent variable
test-o-matic group
dependent variable
control group
What substance kills Thrax (and most other pathogens)?
Answer:
Alcohol
Explanation:
1. Luca made the following chart for Earth's four basic movements, what needs to be correct on his chart?
Rotation Speed Revolution Speed Solar System Speed Milky Way Speed
0.3 miles/sec
18.5 miles/sec
370 miles/sec
150 miles/sec
The rotation speed and revolution speed should be switched
The revolution speed and solar system speed should be switched
The rotation speed and Milky Way speed should be switched.
The solar system speed and Milky Way speed should be switched.
Answer:
The solar system speed and Milky Way speed should be switched.
Explanation:
The speed of the Earth is with respect to how it moves around it's own axis (rotation speed), the Sun (revolution speed), solar system (solar system speed), and the milky way galaxies (milky way speed) etc.
According to this question, Luca made a chart for this Earth's four basic movements. The chart with their respective speed are as follows:
Rotation Speed - 0.3 miles/sec
Revolution Speed - 18.5 miles/sec
Solar System Speed - 370 miles/sec
Milky Way Speed - 150 miles/sec
Luca, however, made a mistake in his chart.
- The rotation speed of the Earth around its axis is correctly 0.3miles/sec
- The revolution speed of the Earth around the sun is correctly 18.5 miles/sec
- The solar system speed of the Earth i.e. around the solar system is about 150miles/hour
- The milky way speed of the Earth i.e. around local group of galaxies is about 370miles/hour.
Based on the comparison of Luca's chart and correct speed illustration, THE SOLAR SYSTEM SPEED AND MILKY WAY SPEED SHOULD BE SWITCHED.
Which chemical could be used to show that the cells are respiring aerobically
limewater
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