Answer:
I think the answer is D
Explanation:
6. Vinegar is a weak acid. The most likely pH for a sample of vinegar is a. 1.5. b. 5.5. C 8.5.
Answer:
a.) 1.5 pH
Explanation:
Answer:
1 p.h
Explanation:
What would happen to an animal cell with an internal salt concentration of 0.8% if it were placed in a salt solution with a concentration of 0.2%? Why?
Answer:
This simply explain the concept of osmosis. A solution of 0.8% is lower in conc. (hypotonic)compare to that of 0..2%(hypertonic)Therefore, the inner cells layer would lose water to higher hypertonic concentrated medium.
water flows from .8% to salt solution of 0.2%
This follows the concept of osmosis which is the movement of water molecule from the region of higher water potential(.08) to region of lower water potential(0.2) but high solute potential, through a semiportable ,membrane, the plasma membrane.
Explanation:
Which of the following is NOT a function of the digestive system?
Delivers nutrients to the body’s cells
Breaks down food into nutrients the body can use
Absorbs nutrient molecules into the blood
Eliminates waste from the body
Please help I am doing a test.
Explanation:
Deliver nutrients to the body cells.
1. You feel thirsty so you drink a large glass of water. A short time after
drinking, the water levels in the body return to normal. What system
senses that there are low water levels in the body and begins the process
of returning the body to homeostasis?
A-Muscular
B-Nervous
C-Respiratory
D-Cardiovascular
Answer:C
Explanation:sry u already got an answer
In the movie Darwin struggled with publishing his ideas on Evolution by Natural selection. He was afraid of the cultural implications of his discoveries. Do you think his idea of Evolution by Natural Selection was a "dangerous idea"? Back up your claim with evidence from the video and 1 other source. Explain your reasoning.
Answer:
Yes.
Explanation:
Yes, I think Darwin idea of Evolution by Natural Selection was a "dangerous idea" because the people at that time was unable to understand his idea. The people at that time had their own believes which they were followed and rejected everything which were against their believes so this idea of evolution was against the idea of people at that time due to which Darwin was afraid of the cultural implications of his discoveries.
According to the cell theory, where do cells come from?
Answer:
preexisting cells :)
Explanation:
Answer:
Cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
Explanation:
Hope this helped!!
please mark me brainly
-BB
Which pair of statements best describes an essential amino acid?
OItis an amino acid that contains peptide bonds. An example is proline.
O Itis an amino acid that contains nitrogen. An example is aspartic acid.
• Itis an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
O It is an amino acid that can be produgna by the body. Vitamin supplements maintain healthy levels.
Answer:
Hi there, your answer to this is: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
Explanation:
There are 9 essential amino acids that we need in our bodies which are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine which can be found in foods that we normally eat.
Hope this helped :)
Answer:
C, It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
Explanation:
Edge 2021
Hey guys what’s the best way to memorize a science fair project? I have to present one tomorrow and I’m worried
practice with people (parents, friends, siblings) and ask them to ask questions during it so you can learn how to keep focus and memorization, or practice in front of stuffed animals. read it out loud on recording, then practice saying it with the recording without the words in front of you. you'll do great! :)
Answer:
Just present to someone you know a couple of times but try to memorize it while speaking. You can also write what your going to say on some index cards or something just in case you forget something. Just stay calm and take deep breaths when needed
Explanation:
Put the drinking water treatment steps in the correct order.
If the structure of a specific organ protein is temporarily changed due to the chemistry of the protein's local environment, what else may be temporarily influenced?
Answer:
Function of protein also temporarily changed.
Explanation:
If the structure of a specific organ protein is changed temporarily due to the local environment of protein, the function of the protein also changed temporarily because the structure of protein changed which does not allow suitable environment for the proper functioning of the protein so we can conclude that the function of the protein also temporarily changed.
who come first egg or hen ?
Which of these catastrophic events is caused by the warm air from the gulf of mexico and the cold air from the north super celll thunderstorms and has a funnel shaped clouds that produces high speed winds that canlift houses at a F5 scale ?
Answer:
Hurricane.
Explanation:
Hurricane and tornadoes are the catastrophic events that occur when the warm air from the gulf of Mexico and the cold air from the north combines together. These hurricanes and tornadoes causes a lot of damage and destruction if the speed and intensity are higher. These hurricanes produced in different region and causes destruction in another region due to its mobility.
Minerals are rarely used in everyday life true or false
Answer: False
Reason: We Use Minerals In our day to day life, when it comes to cooking, or burning. We use Salt to cook amazing meals, and some pots and pans have minerals built in to them so that they last longer over the years you cook with them. When we burn in the fireplace or in the backyard, some of us use coal and light it up, and sometimes, we use minerals to make buildings. In one of my neighboring towns, their City Hall has little mineral pieces built into the City Hall. I hope this helps, and happy holidays! :)
[50 points... Will give brainliest] Explain how natural selection is impacted by genetic differences, variation, and survival.
Answer:
Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
I changed it a lot Mark me as brainliest!
A single-cell organism that reproduces asexually through mitosis contains 24 chromosomes. When the organism reproduces, how many chromosomes will there be in the resulting daughter cells?
Answer: there will be 24 daughter cells I believe.
Explanation:
Can someone plss help me fill out this Taxonomic Key please
Answer:
Following the instructions would give the following:
3. B - Minnesota
4. A. Mississippi
B. Missouri
5. B Iowa
7. A. Louisiana
8. B. Arkansas
9. A. Tennessee
B. Kentucky
10. A. Wisconsin
B. Illinois
12. A. New York
B. North Carolina
13. A. California
B. Colorado
How is the high concentration of protons in the thylakoid lumen created?
Answer:
i don't understand the question ask you to do sorry
Hydrogen peroxide naturally breaks down into oxygen and water over time. When exposed to the enzyme catalase, hydrogen peroxide is rapidly converted into oxygen and water.
What feature of catalase most likely is responsible for the change in the rate of conversion of hydrogen peroxide into water and oxygen?
A, Catalase speeds up the conversion of hydrogen peroxide into water and oxygen by decreasing the reaction's activation energy.
B, Catalase bonds permanently with the reactants causing hydrogen peroxide to rapidly break down by increasing the activation energy.
C ,Catalase has a flexible structure that allows it to bind and convert any small hydrogen containing compound into water and oxygen.
D, Catalase remains intact, so small amounts of it convert large amounts of hydrogen peroxide into water and oxygen immediately.
Answer:
Catalase is an enzyme in the liver that breaks down harmful hydrogen peroxide into oxygen and water. When this reaction occurs, oxygen gas bubbles escape and create foam. Completely disinfect any surface that the raw liver touches during this activit.
Explanation:
hope this helps you a little have a great day sir/mam
Catalase speeds up the conversion of hydrogen peroxide into water and oxygen by decreasing the reaction's activation energy. Thus option A is correct.
What is the function of catalase ?Catalase is a common enzyme present in all living organisms.
These are tetramer molecule consisting of four polypeptide chains, each of these chains are over 500 amino acids.
In mammal it is found in liver and contains four iron-containing heme groups that allow the enzyme to react with hydrogen peroxide.
In mammalian cell, Catalase involve in decomposition of most toxic substance called hydrogen peroxide into less toxic products like water and oxygen.
It protect the cell from oxidative damage by reactive oxygen species.
The optimum pH and optimum temperature for the activity of this enzyme ranges from four and eleven depending on the species.
Thus option A is correct.
Learn more about catalase, here:
https://brainly.com/question/3480289
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does wind and weather diverge at the equator?
URGENT ANSWER ASAP
Which base is found only in RNA nucleotides?
cytosine
uracil
thymine
adenine
Answer:
uracil
Explanation:
guanine is the other DNA base
Please help me.
Which of the following describes photosynthesis?
Brainliest to whom ever is first and correct!
Thank youuuuuuuu.
Photosynthesis - the process that takes in matter from the sun and energy from carbon dioxide in the air and water from the soil to make glucose and oxygen.
A car tire company is testing a new tire that has proposed improved performance in wet conditions. An experiment was performed on a closed, half-mile track in wet conditions with the same car and driver. Two trials were performed with standard and new Wet Condition tires. What would the tire company MOST LIKELY infer based on this data?
Answer:
The hypothesis of the company is refuted.
Explanation:
Answer:
The hypothesis of the company is VERIFIED not REFUTED
Explanation:
a mutation in which type of cell would only affect the organism and not future generation
Answer:
Somatic cells
Explanation:
A somatic cell mutation in an organism is passed on to the daughter cells in an organism. But this type of mutation doesn't affect the future generations because only genes carried by sperm or ova can become part of offspring's gene material.
Please find me an information about aerobic and anaerobic organisms
Answer:
An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. In contrast, an anaerobic organism (anaerobe) is any organism that does not require oxygen for growth. Some anaerobes react negatively or even die if oxygen is present.
Plants can use the glucose they have made to supply them with energy.
Give four other ways in which plants use the glucose they have made.
Answer:
4 ways in which plants use the glucose -
It is used in maintaining plant structure and for the repaired parts2. It is used in providing energy for work whenever plant needs it .
3. It is used by xylem and phloem to transport food, water, miners etc to different parts
4. It is used in osomosis.
A lesion in the
is likely to affect thinking, planning, and overall personality,
as this brain region plays a significant role in cognition.
A) reticular activating syštem
B) prefrontal cortex
C) olfactory bulb
D) premotor cortex
Cytokinesis occurs after which phase?
Match the descriptions with the type of crime scene search pattern.
zone
spiral
line
investigators move from one side of the
crime scene to another in a single direction
arrowRight
crime area is divided into multiple square
areas and each is assigned to an investigator
arrowRight
from the outside or the center of the crime
scene,the investigator walks down a circular
path and works their way inward or outward
arrowRight
Answer:
1. Line.
2. Zone.
3. Spiral.
Explanation:
In crime scene investigation, individuals who are certified professionals (investigators) in collecting evidence after an unfortunate incident such as murder has occurred use the following strategic investigative methods or techniques;
1. Line method: investigators move from one side of the crime scene to another in a single direction. This method is best used in areas that comprises of obstacles e.g rocks, trees, pillars etc.
2. Zone method: crime area is divided into multiple square areas and each is assigned to an investigator. This method is best used in buildings such as hospital, office, school etc., because these investigators are assigned to each zone of the divided crime area.
3. Spiral method: from the outside or the center of the crime scene, the investigator walks down a circular path and works their way inward or outward.
Answer:
1. Line.
2. Zone.
3. Spiral.
Explanation:
hope this helps.
How can a model of the solar system be used in planning a trip from Earth to another planet? A To estimate distance, travel time and fuel cost. B To anticipate the frequency and occurrence of meteorites and other objects in space. C To map flight plans that avoid solar flare-ups and solar winds. D To predict possible emergencies astronauts may encounter during space travels.
Answer:
A.) to estimate distance, travel time and fuel cost
Explanation:
The lab setup shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail.
In this setup, which tubes contain at least one organism carrying on cellular respiration?
A) Tubes 1 and 2 only.
B) Tubes 2 and 4 only.
C) Tubes 3 and 4 only.
D) Tubes 2, 3, and 4 only.
Answer: D
Explanation:
