nonliving the heat from the hot plate is causing the gel like substance to move it's the same thing with liquid nitrogen how it seems to bounce off the floor it's because liquid nitrogen is super cold and the heat basically excites the electrons in the liquid nitrogen making it bounce off the floor same with the gel like substance the electrons in the gel substance are getting excited by the heat and jumping up and down but the substance itself is not alive
You are a glucose molecule in a disaccharide found in a drink that was sipped by an athlete who is about to begin running a 1600m (1 mile) race. Put the words in the list below in the appropriate order to describe the process of your journey from the mouth and ultimately to the muscle cells for energy.
a. electron transport system
b. active transport
c. stomach
d. pyruvate
e. brush border disaccharidases
f. carbon dioxide and water
g. mouth
h. citric acid cycle
i. glucose transporters
j. duodenum
k. glycolysis
l. jejunum
m. blood
n. esophagus
Answer:
Mouth -Esophagus-- Stomach -Duodenum -Jejunum -Brush border disaccharidases--Glucose transporters--Active transport--Blood-Glycolysis-Pyruvate--Citric acid cycle - Carbon dioxide and water : )
Explanation:
The journey of a glucose molecule from the mouth and ultimately to the muscle cells for energy in the correct order is:
Mouth > Esophagus > Stomach > Duodenum > Jejunum > Brush Border Disaccharidases > Blood > Glucose Transporters > Glycolysis > Pyruvate > Citric Acid Cycle > CO2 and Water > Active Transport > Electron Transport System.
The drink rich with disaccharides starts its journey from the mouth cavity and moves through the esophagus to the stomach. The disaccharide digestion takes place when it reaches the jejunum through the duodenum of the small intestine by enzyme maltase that also presents in Brush Border Disaccharidases to glucose.
Glucose moves o blood and through a glucose transporter for cellular respiration that starts with glycolysis that converts glucose to pyruvate and enters in TCA cycle and releases CO2 and water as byproducts that ultimately moves to the ETS system to provide energy to the muscles.
Thus, the correct answer is - given above in the correct order.
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What happens in the postsynaptic neuron when excitatory neurotransmitters bind to receptors?
Answer:
it causes the depolarization of the target cell
Explanation:
Glutamate is an excitatory amino acid neurotransmitter that binds to specific receptors on the surface of target cells and thus causes its depolarization. During glutamate-mediated depolarization, the difference in charge inside and outside the cell is lost due to the entry of sodium and calcium positive ions into the postsynaptic cell (neuron) through specific ion channels. Moreover, glutamate binding also leads to the exit of potassium ions from the cell, thereby resulting in excitation. Through this mechanism, glutamate regulates many signaling pathways, such as those involved in memory, learning, emotions, cognition, motor control, etc.
according to a mangrove food web which organism is a producer in the mangrove swamp Crab, Mold, Pelican, Or Phytoplankton
Answer:
Phytoplankton.
Explanation:
This is because in the mangrove swap, phytoplankton is a green plants that have green pigment called chlorophyll uses light energy from the sun with carbondioxide and water to produce carbohydrates. Phytoplankton is a primary producer because it manufacture it food through the process of photosynthesis and it is the source of flow of energy in the habitat.
Carbon-14 is a radioactive isotope of carbon that has a half-life of about 5,730
years. You have discovered a fossil and want to know how old the fossil is. You count
the parent and daughter atoms and calculate that you have about 6.25% of the
parent atom (carbon-14) left. How old is the fossil? (Provide units (years) for your
final answer. You must show your work.
2 points for showing work
1 point for final answer with units
Answer:
22,920 years
Explanation:
When the fossil first started to decay, it must have had 100% of its parent carbon-14 atoms. Every 5,730 years, that amount gets cut in half. Let's travel back a ways, to the very beginning, 0 years into the decay. We'll keep track of the time elapsed, the number of half-lifes, and the percent of carbon-14 remaining:
0 years (0 half-lives) - 100%5,730 years (1 half-life) - 50%11,460 years (2 half-lives) - 25%17,190 years (3 half-lives) - 11.5%22,920 years (4 half-lives) - 6.25%That last one represents our situation, so the fossil is 22,920 years old.
Tufa is a/an ____ sedimentary rock.
A) organic
B) Clastic
C) Chemical
Answer:
chemical
Explanation:
Which of the following is not part of the cell
theory?
Answer:
All vital functions of an organism occur within its cells
Explanation:
WHY THE OTHER CHOICES ARE PART OF THE CELL THEORY
1st choice- When a cell reproduces, it splits. This means that BOTH of the cells are exactly the same.
2nd choice- ALL organisms, from bacteria to elephants are made of cells, either multicell or unicell
3rd choice- Cells split to reproduce, so yes
Describe the movement of oxygen molecules if there were more oxygen molecules
outside the cell
Explanation:
Because there's a higher concentration of oxygen molecules outside the cell compared to the cell's cytoplasm, you'll see that oxygen diffuses into the cell along this concentration gradient. ... Because the molecules are moving at random, some will move out of the cell, but most will be moving in in this case.
Transporation is the mechanism by which the molecules and enzymes move in and out of the cell. When more oxygen is present outside the cell diffusion will occur along the concentration gradient.
What is diffusion?Diffusion is a transportation mechanism that involves the movement of the ions and the molecules from the high concentration area towards the low concentration region.
The high amount of oxygen present outside the cell will diffuse through the cell membrane inside the cell along the concentration gradient so that the concentration inside and the outside achieves equilibrium.
Therefore, the movement of the oxygen molecules from high concentration to low is diffusion.
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Help plz
environmental cues can affect gene expression and protein synthesis.
true or false
Answer:
pretty sure its true
Explanation:
Which of the following is NOT true regarding meiosis?
A. The daughter cells have half of the original DNA.
O B. Only occurs in somatic (body) cells.
O C.
C. Only occurs in sex cells (gametes).
D. 4 daughter cells are produced from one parent cell.
how do some cells make food molecules
Answer:
All living cells release energy from food molecules through cellular respiration and/or fermentation. Some cells make food molecules using light energy through the process of photosynthesis. lol
What are the four levels of organization in living things? a. cell, multicellular, organ, organ system b. single cell, multicellular, tissue, organ c. larger size, longer life, specialized cells, organs d. cell, tissue, organ, organ system
3.4 Briefly describe the purpose of conjugation in paramecia.
Answer:
Conjugation is a process of exchange of genetic material between two organisms. paramecium is a unicellular protozoan in which true sexual reproduction is absent. so in these organisms conjugation brings genetic variatin in new generations.
Explanation:
The function of conjugation in paramecium is to exchange genetic material between organisms and make new combinations of genetic material.
Results in science are not generally accepted as being accurate until they can be verified. Which of the following is an example of repetition in science? A.A student designs an experiment on plant growth that includes multiple trials. B.One scientist carries out the same experiment performed by another scientist to validate the results. C.A scientist poses a new question for investigation after reading the results of another scientist’s work. D.A scientist analyzes the data included in the published work of another scientist and agrees with the conclusions
Answer:
B) One scientist carries out the same experiment performed by another scientist to validate the results.
Explanation:
repetition definition is basically B.
One scientist carries out the same experiment performed by another scientist to validate the results. Therefore, option (B) is correct.
What is repetition?Repetition in science is the process of repeating an experiment or study to verify or validate the results. This is done to ensure that the results are accurate and reliable, and not due to chance or experimental error.
An example of repetition in science is when one scientist carries out the same experiment performed by another scientist in order to validate the results and confirm that they are accurate and consistent. This process helps to build confidence in the results and increases the credibility of the scientific findings.
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What is the genotypic ratio of the following cross? RR X Rr ?
100% Red
2:20
3:1
O
2:2:1
Answer: the genotypic ratio is 2:2:0
Explanation:
RR x Rr —> RR Rr RR Rr
Hii please help me...
Hello !
So are pants made out of organic or inorganic.
Or plant, animal, mineral.
please don’t guess :)
Why do different cells of the body have different structures or shaps?
Answer:
Cells have different shapes because theydo different things. ... The shapes ofcells have evolved to help them carry out their specific function in the body, so looking at a cell's shape can give clues about what it does. Neurons are cells in the brain and nervous system.
Question 5
The specific heat of water is higher than the specific heat of sand. That is why water heats up more slowly than sand,
True or false hurry please
Based on the amino acid sequence data from the table below, which of the statements is true
Answer:
A
Explanation:
All of the energy comes from the sun but ______________ capture this energy.
(Copy pasted)
Please answer
Answer:
chloroplasts
Explanation:
plants and other organisms capture the energy, but if you wanna get really specific its chloroplasts
Please help with this.
Explanation:
Central Asia is where middle-Eastern Islamic culture meets Russian Soviet culture. The countries of Central Asia were once the center of multiple nomadic empires and tribes, including the Scythians, Mongols, and Turks. This had a big influence on the traditions and cultures of many Central Asian countries to this day.
which is a reason cells divide?
A. to prevent tumor formation
B. to have a smaller surface area
C. to reproduce
D. to stop binary fission
Answer:
C. to reproduce
Explanation:
All living cells undergo division to produce more identical or different cells. The major types of cell divisions that cells undergo are; mitosis and meiosis. Mitosis results in two identical daughter cells being produced from a single cell while meiosis results in four daughter cells being produced.
The primary aim of any form of cell division is to REPRODUCE or PROCREATE the number of cells. For example, mitosis produces two (2) cells from 1 and so on....
Answer: C. to reproduce
Explanation:
I just did this on a p e x and I got it correct :)
Any permanent change in a gene is called a
what is the general trend in the elk and wolf populations between 1990 and 2000?
Answer: Decrease
Explanation:
If right I’ll mark brainliest
Answer: TT
Explanation: We know that the ability to roll your tongue is a dominant trait from your parents, and the inability to roll your tongue is a recessive trait. So the genotype would be TT.
Note: I'm not in the grade, so I don't know this yet, I tired to explain it clearly.
Recall the Jagendorf experiment (pasted below) was conducted wholly in the dark. Hypothesize what would happen if you were to mimic the experiment, but rather than alter pH, you place your thylakoids in a beaker with a solution that mimics the chloroplast stroma in direct sunlight. What would be the result?
Answer:
ATP production.
Explanation:
The result will be the production of ATP molecules if we place thylakoids in a beaker with a solution that mimics the chloroplast stroma in direct sunlight. The thylakoids are able to formed ATP in the dark because H+ gradient is required for ATP synthesis. The scientists find out that the light reactions were not necessary to establish the H+ gradient required for ATP synthesis by ATP synthase.
The genetic information of a cell is duplicated and split to form two daughter cells during which of the following processes
Answer:
Cell Division
Explanation:
A definition to cell division: Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle. Hope this helped. :)
Transcribe the following DNA strand. Then translate the tRNA strand you wrote.
Answer:
Transcription into mRNA strand will produce: ACU CAG CUG ACC GAC UGG CAU CUG
Translation into amino acid sequence will yield: Threonine- Glutamine- Leucine- Threonine- Aspartic acid- Tryptophan- Histidine- Leucine
Explanation:
- Transcription is the process by which DNA template is used to synthesize a mRNA molecule in the nucleus (eukaryotes). The transcription, which is carried out by an enzyme called RNA polymerase, follows the complementary base pairing rule i.e. A-T, G-C. Note that Uracil replaces Thymine in the RNA molecule.
Based on this question in which a DNA strand was given as follows: TGA GTC GAC TGG CTG ACC GTA GAC
The mRNA strand that will result from transcribing this DNA will be: ACU CAG CUG ACC GAC UGG CAU CUG
- Translation is the process by which mRNA strand is used to synthesize amino acid sequence (protein) in the ribosomes. In the mRNA sequence, nucleotides are read in a group of three called CODONS. Each codon specifies an amino acid. Based on the mRNA sequence as follows: ACU CAG CUG ACC GAC UGG CAU CUG, the amino acid sequence that will result after using the genetic code will be: Threonine (Thr)- Glutamine (Gln)- Leucine (Leu)- Threonine (Thr)- Aspartic acid (Asp)- Tryptophan (Try)- Histidine (His)- Leucine (Leu).
Which of the following describes a silent mutation?
A.Base pair change results in a premature stop codon; protein is nonfunctional.
B.Base pair change results in a different amino acid; this may or may not affect the protein that result.
C.Base is changed but the resulting amino acid is the same as in the non mutant DNA. No outward changes.
D.A base is either added or deleted and causes the codons to be read incorrectly.
Answer:
C.
Explanation:
Feel Free to mark Brainliest if i get the answer right
Answer:
c
Explanation:
i go0gled in PFFT
how is mitosis different in plants and animals
answers
A. in animals, the cell membrane pinches together.
B. in plants, the dna is one circular chromosome
C. in plants, there are no sister chromatids.
D. in animals, a new cell wall forms
Answer:
a
Explanation:
In animal cells, the cell can simply split apart and the membrane will form on its own while with plant cells in order to split it must first form a cell plate that will later become a cell wall.