Answer:
Cholesterol molecules
Explanation:
Several factors increase the fluidity of the plasma membrane in animal cells.
First, by creating kinks in the lipid structure, the unsaturated fatty acids in the phospholipids that make up the membrane improve fluidity. Additionally, cholesterol contributes to the preservation of membrane fluidity. As a buffer, it reduces fluidity at high temperatures and prevents solidification at low temperatures. The actual temperature also has an effect on how fluid the membrane is at higher temperatures, the phospholipids move and flow more freely. Last but not least, the ratio of different phospholipids and their saturation levels can have an effect on the fluidity of the membrane.
Learn more about Plasma membrane, here:
https://brainly.com/question/31465836
#SPJ6
i need answer please
Explanation:
the correct answer is what you have selected.
hope this helps you.
What determines the climate of a location?
Altitude and latitude
Precipitation
Bodies of water
All of the above
Altitude and latitude, Precipitation, and Bodies of water determine the climate of a location. The correct option is D.
What is climate?Climate is the average weather over a longer length of time in a particular place. A description of a climate includes details such as the typical temperature in each season, the amount of rainfall, and the amount of sunshine.
Additionally, the (probability of) extremes is frequently described. Despite the fact that there are other interrelated factors that affect weather, the four primary one are solar radiation, the quantity of which varies with latitude.
Orbital distance from the sun, and Earth's tilt, as well as temperature, air pressure, and the presence of water. The Sun and human activity are two external influences that interact with these as well as one another.
Therefore, the correct option is D, All of the above.
To learn more about climate, refer to the link:
https://brainly.com/question/15363134
#SPJ6
changes that occur in girls only in adolescence
A plastic doll has a mass of 245 grams. It was placed into a graduated cylinder with 100 mL in it. The water rose to 215 ml. What is the little plastic dolls density? Show all work and units.
help
if you don't help my face will be a sad face forever
opening and closing of the heart valves is caused by
Answer:
The pressure differences on either side of the valve.
Explanation:
The heart valves open and close passively because of pressure differences on either side of the valve. When pressure is greater behind the valve, the leaflets are blown open and the blood flows through the valve. However, when pressure is greater in front of the valve, the leaflets snap shut and blood flow is stopped.
Hope this helps!
have a blessed day
What is not a key fluid or molecule that excretion balances?
Nitrogenous waste
Water
Salt
Lymph
An enzyme is a protein that
Answer:
?
Explanation:
need the rest of the question
What does the term organelle mean, literally?
Answer:
it literally means :
any of a number of organized or specialized structures within a living cell.
Explanation:
GOo-GlE said so
Using your own words explain how the process of
Cellular Respiration occurs (hint - what must go in
and what is created?)
Answer:
During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water.
Explanation:
how do the nucleus and ribosomes work together to generate a protein?
Answer:
In the nucleus, an mRNA copy of a gene is produced, which ribosomes use as instructions to synthesize a specific protein.
Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the______________
The answer is liver....
Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.
What is liver and its function?The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver has been reddish - brown. Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver. The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.
The liver also stores vitamins, glycogen, and minerals so it the center of storage also. As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and less use of alcohol leads to keep the liver safe and healthy.
Therefore, Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.
Learn more about liver on:
https://brainly.com/question/15637828
#SPJ2
What is the difference between a hypothesis, a theory and a law in science?
what behaviors would you expect the catfish to exhibit at 7 degrees c ?
A dentist wants to know whether posters of calming nature scenes will reduce patient anxiety. Which of these is the most important Confounding Variable in this experiment?
a) the age of the patient
b) a reduction of anxiety
c) how crowded the waiting room becomes
d) both a and c
Answer:
d
Explanation:
The most important confounding variable in this experiment is d) both a and c.
Confounding variables are factors that are not directly controlled or manipulated by the experimenter but can influence the relationship between the independent variable (calming nature scenes) and the dependent variable (patient anxiety). They can introduce alternative explanations for the observed results.
In this experiment, the age of the patient (variable a) and how crowded the waiting room becomes (variable c) are both potential confounding variables. Here's why:
a) The age of the patient: Different age groups may respond differently to calming nature scenes. For example, younger patients might have different levels of anxiety compared to older patients. Age-related factors such as life experiences, previous dental visits, or personal preferences may influence anxiety levels and responses to the nature scenes. If the age distribution is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.
c) How crowded the waiting room becomes: The level of crowding in the waiting room can create a different environment and affect patient anxiety levels. A crowded waiting room may increase anxiety due to the lack of personal space or increased social interactions. On the other hand, a less crowded waiting room might provide a more relaxed environment. If the level of crowding is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.
Considering both variables a and c as potential confounding variables is important to ensure that any observed effects of the calming nature scenes on patient anxiety are not solely attributed to age or waiting room crowding. Controlling for these variables or including them as factors in the experimental design or analysis can help isolate the true effect of the nature scenes on anxiety reduction.
To learn more about patient anxiety, here
https://brainly.com/question/30749624
#SPJ2
All the following statements can be concluded from the law of conservation of matter except?
A. We can’t throw everything away because there is “no away”
B. Eventually we will rent out of matter if we keep consuming it.
C. There will always be pollution of some sort.
D. Everything must go somewhere.
Answer:
D
Explanation:
Would you expect an ecosystem that had not been disturbed for 20 years to remain the same? Explain why or why not.
The p53 gene in mammalian cells is known to stop the cell cycle in response to damaged DNA. If this gene is damaged without repair, which of the following is most likely to occur
Answer:
very tuff
Explanation:
sorry! I wish I could help this is very forestraiting
one of the most common energy sources used by bacteria is glucose. why is glucose such a good source of energy for bacteria?
Explanation:one of the most common energy sources used by bacteria is glucose. why is glucose such a good source of energy for bacteria?
Number 1
HELP ME I WASNT IN CLASS:(
Answer:
according to me it's a. 1 to 6 inches
but not 100% sure
Answer:
A.
Explanation:
Tectonic plate move so E is incorrect
If the tectonic plate move 1 mile we would create another Pangea so d is incorrect
The tectonic will not move 6 feet or 2 feet in a year so A is the only choice
Hope this helps
Please label the cells I fell like I’m not right
Answer:
Phospholipids B
Transport Protein A
Explanation:
a machine called os used for both harvesting and threshing
what is the difference between a dietitian and a nutritionist
Answer:
Nutritionists deal with general dietary goals and habits, as opposed to dietitians, who are certified to diagnose eating disorders and develop diets to address particular medical problems. Schools, hospitals, cafeterias, long-term care institutions, and sporting groups all hire nutritionists.
Circle the letter of each sentence that is true about carbohydrates.
a. Starches and sugars are examples of carbohydrates.
b. Living things use them as their main source of energy.
c. The monomers in sugar polymers are starch molecules.
d. Plants and some animals use them for strength and rigidity.
Cell Biology:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
2. Give one characteristics you could use to determine whether a cell is prokaryotic or eukaryotic.
3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
4. Explain the function of mitochondria.
5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
Answer:
1. eukaryotic
2. if it's a single cell organism it's prokaryotic, if it's multicellular it's eukaryotic
3. a plant cell will have chlorophyll and cell walls, animal cells lack cell walls and chlorophyll
4. the mitochondria creates energy for the cell through ATP
5. Nucleus
Answer:
Explanation:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
Eukaryotic Cells are more sophisticated because of multiple factors. One such factor is the fact that Eukaryotic Cells have a nucleus that houses the DNA while the DNA of Prokaryotic Cells are in the cytoplasm. Eukaryotic Cells also have organelles that carry out a variety of functions (Mitochondria, Ribosomes, Endoplasmic Reticulum) whereas Prokaryotic Cells have only the basic organelles (in most cases only Ribosomes).2. Give one characteristic you could use to determine whether a cell is prokaryotic or eukaryotic.
The presence of a Nucleus. Prokaryotic cells don't have a nucleus, while Eukaryotic Cells do.3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
The presence of a central vacuole (plant cells have a central vacuole but animal cells do not).The presence of a cell wall (plant cells have a cell wall but animal cells do not).4. Explain the function of mitochondria.
The mitochondria are considered the 'powerhouse' of the cell. This is because it is the site of most of the respiratory process which produces energy for the cell in the form of ATP.5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
The Nucleus is considered the 'brain' of the cell because it directs all of the cell's functions.(photos by Expii and BioNinja respectively)
Which skills are needed to read and understand maps? Check all that apply.
the ability to know each location shown on a map
the ability to know what kind of map you are reading
the ability to use a compass or other navigational tool
the ability to think about how a map can be interpreted
the ability to know how to read different parts of a map
the ability to name many different places around the world
Answer:
You need to know all of the things listed. By knowing all of these it will make it easier to read and understand maps.
Explanation:
The hydroxyl group can make the molecules it is attached to
Answer:
hydrogen bonding
Explanation:
Step by step
A sustainable society is based on which of the following?
increasing wilderness areas
demand for resources
zero pollution
conservation of resources
Answer:
I think it would be conservation of resources.
conserving of resources
(WILL GIVE BRAINLIEST) A doctor's patients complain less about their acid reflux symptoms after taking Prilosec for 4 weeks. What is the Independent Variable? What is the Dependent Variable?
a) the severity of symptoms
b) Prilosec
c) the amount of complaints about symptoms
Why was the 1mL of experimental culture medium that was removed each day replaced by 1mL of sterile culture medium?
Answer:
A sample of a specific species of microorganism was added to 100 mL of a liquid culture medium. ... The 1 mL of experimental culture medium was replaced by 1 mL of new sterile culture medium to maintain a constant volume.
Why are there holes in the ends of phloem tubes?
There are holes in the end of the phloem tubes because Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores.