Answer: When is blood pressure considered high? Normal blood pressure is under 120/80. From 120/80 to 139/89 is pre-hypertension. The threshold for high blood pressure is 140/90, while anything over 180/110 is hypertensive crisis – an emergency.
Explanation:
why velocity is regarded as a vector quantity?
Answer:
Because velocity has magnitude and direction, speed is not a vector quantity since it only has magnitude
For example, if a car is moving backwards with a speed of 40m/s
Your velocity is - 40m/s
Speed is 40m/s
Dalton’s theory was identified using
light microscope images of atoms.
the experimental results of other scientists.
water vapor and air experiments.
Answer:
Explanation:
Actually it was the experimental results of other scientists. The main stems of the theory was the indivisibility of small spheres (his image) that represented the elements he knew which reacted with other elements.
They seemed to give the same ratios in reactions (definite proportions) and multiple whole number ratios. Look up Lavoisier.
Describe the different types of corrections in a scatterplot
I need one paragraph about Cell Energy
Which describes a difference between solar wind and a geomagnetic storm? Select the three correct answers.
Answer:
Hope it may help you.
Explanation:
The intensity of solar wether changes frequently
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The image shows a vulture soaring over a rocky cliff. The arrows model the different ways energy moves between the sun, atmosphere, and geosphere.
Match each type of energy transfer to the arrows shown in the image. Describe how energy transfer helps the vulture soar above this rocky cliff.
Given what we know about the way energy moves through the Earth, we can confirm that the vulture uses the hot air currents that result from this movement of energy to soar above the cliff.
The energy from the sun travels through the atmosphere, then into the soil where it is absorbed. The soil then radiates the heat back out into the atmosphere.
Given that hot air rises, this radiated heat causes the formation of hot air currents that the vulture then uses to glide upwards in a circular motion.
The vulture planes over the hot air currents with its wings at an angle to climb, it goes higher the further it wishes to travel given that once at the desired height, it glides downward towards its destination.
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1. What is likely to be caused by a diet low in both fat and fibre?
A. Constipation and obesity
B. Constipation only
C. Neither constipation nor obesity
D. Obesity only
Answer:
A. Constipation and obesity I think
A kilometer is a longer distance than a meter
Answer:
That's true a kilometer is a longer distance than a meter (1,000 times longer)
Explanation:
what is photosynthesis ??
Answer:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Answer:
The process of making food by plants through the help of sunlight is called photosynthesis
Pepsin and Trypsin are enzymes. At what pH do they have the highest rate of reaction?
Answer:
It has an optimum pH of about 1.5. Trypsin's optimum pH is about 8.
Explanation:
This active trypsin acts with the other two principal digestive proteinases — pepsin and chymotrypsin — to break down dietary protein into peptides and amino acids. These amino acids are essential for muscle growth, hormone production and other important bodily functions.
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what process would allow plant cells to take water into their cells for use in photosynthesis ?
a. Osmosis
b. Diffusion
c. Active Transport
d. Exocytosis
Answer:
B osmosis
Explanation:
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Answer:
a. Osmosis
Explanation:
Osmosis is the net movement of solvent molecules ,usually water from region of lower solvent concentration to a region of higher solvent concentration through a partially permeable membrane.
In which of these forms does acid precipitation reach the surfaces of Earth?
Which of the statements below correctly compares features of plant and animal cells?
Plant cells have a cell membrane, while animal cells have both a cell wall and a cell membrane.
Plant cells have ribosomes only on the rough ER, while animal cells have ribosomes in the cytoplasm.
Plant cells have a large central vacuole, while animal cells have many smaller vacuoles.
Plant cells have chloroplasts but no mitochondria, while animal cells have mitochondria.
Plant cells have a large central vacuole, while animal cells have many smaller vacuoles. Hence option c is correct.
What are vacuole?Vacuole is defined as a region of cytoplasm-free, membrane-lined, and liquid-filled space inside a cell. A membrane-bound cell organelle known as a vacuole. The plant cell's equilibrium depends heavily on the vacuole. It participates in the regulation of cytoplasmic ions, pH, and the control of cell volume and turgor.
Animal cells lack a cell wall, whereas plant cells do. Animal cells lack chloroplasts while those of plants do. Animal cells have many little vacuoles, but plant cells only have one giant vacuole. Animal cells only have a cell membrane, but plant cells have both a cell wall and a cell membrane. Cell walls are used by plants to give the plant structure. Animal cells lack the organelles known as chloroplasts that are present in plant cells.
Thus, plant cells have a large central vacuole, while animal cells have many smaller vacuoles. Hence option c is correct.
To learn more about vacuole, refer to the link below:
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Which of the following is not a functional group that can bond with carbon?
а
carbonyl
b
hydroxyl
C
sodium
d
phosphate
Sodium is not a functional group that can bond with carbon (Option C)
A functional group is a combination of atoms in a molecule that is capable of conferring particular chemical and physical properties.The most common functional groups include the carboxylic acids groups (CO2H), carbonyl groups (C=O), alcohol groups (-OH), ester groups (CO2R), and amine groups (NH2).Functional groups are observed along the carbon backbone of the biomolecules.This carbon backbone is made up of chains/rings of carbon atoms with the occasional substitution of an element (e.g., N or O).Learn more in:
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how do fish obtain oxygen?
a.
from water flowing over their gills.
b.
from water flowing over their fins.
c.
from water flowing over their lungs.
d.
none of the above.
Fish take water into their mouth, passing the gills just behind its head on each side.
what method did jesus use to lead the rabbis to a clearer understanding of God's plan?
Jesus used the parables to lead the rabbis to a clearer understanding of God's plan.
In christian religion, Jesus used a method of teaching called parables to expatiate a most topics he handled. This was for the better understanding of God's plans.
The parables are defined as the short stories that demonstrates a moral lesson.
A typical example of a parable used by Jesus is the parable of the lost coin.
Here Jesus told a story of a woman that had ten coins and lost one of them. He said that the woman searched carefully until she finds it. she went ahead to call her neighbors to rejoice with her as she has found the lost coin.
In this parable, Jesus passed a clearer understanding of God's plan for a repented sinner. HE said that there is rejoicing in the presence of God over one sinner who repents.
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12. Cows digest proteins into smaller molecules called peptides through the use of an enzyme called pepsin.
Aqueous solutions taken from the contents of a cow's stomach are found to have many more hydrogen ions
(H+) than hydroxide ions (OH-). A veterinarian is attempting to conduct an experiment that mimics protein
digestion and has the following four test tubes set up. Which would you expect to have the greatest
concentration of peptides?
(A) Test tube 1: protein and pepsin in water at pH 1.4
(B) Test tube 2: protein and pepsin in water at pH 8.2
(C) Test tube 3: protein in water at pH 7.6
(D) Test tube 4: pepsin in water at pH 1.7
Is milk production a quantitative trait? explain your answer
If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
The rate would increase.
The rate would decrease.
The rate would remain the same.
The rate would be zero
Answer:
The rate would increase.
Complete the sentence using one of the following
words:
toxins, waste or food.
Working together, organ systems eliminate bodily
and provide required substances to all cells in the body.
Answer:
food
Explanation:
food is a required substance that works together with the body to keep you alive :)
5 example of balanced and 5 example of unbalanced
Answer:
I think you asked for balanced and unbalanced chemical equations. your answer is in the attachment !
I'm not sure if you're talking about forces or not, but ill answer anyways.
Balanced Forces:
A person standing/sitting stillAn object floating in the waterPicture frames on a wallA jacket hanging on a coat rackA tug of war game where neither side is winningUnbalanced Forces:
A car acceleratingAn object sinking in waterAn object getting knocked over by the windA fruit dropping from a treeRiding a skateboardWhat season comes before spring
Answer:
Winter season comes before spring
plzzzzzzzzz. helppppp...
Answer:
Retina: membrane at the back of the eye that changes light into nerve signals.
lens focuses light rays onto the retina
Please help me, I’m desperate.
Write a micro-theme (a short 100-300 word essay) on the importance of the study of biology.
Match the features plates with their corresponding plate boundaries.
Answer:
please see picture for answer
Name the water-conducting tissue into which the two probes were inserted...
Answer:
Tracheids and vessels are two water conducting hollow tubes present in the vascular tissue called is xylem. Xylem in a plant is responsible for transporting water from the roots to other parts of the plant.
Xylem is the water-conducting tissue into which the two probes were inserted in the diagram shown.
What is Xylem?This is a vascular tissue found in plants which convey water and nutrients from the root to other parts for its survival.
Tracheids and vessels are the two water conducting hollow tubes present in the xylem.
Read more about Xylem here https://brainly.com/question/14197052
what is science in societal perspective
Explanation:
.In societal perspective science is called as influences society through its knowledge and world view. Scientific knowledge and the procedures used by scientists influence the way many individuals in society think about themselves, others, and the environment.
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The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you most likely expect to be the immediate consequence
Answer:
The nuclear lamina is an array of filaments on the inner side of the nuclear ... If a method were found that could cause the lamina to fall into disarray, ...
Explanation:
1. The nuclear lamina is a network inside the nucleus which maintain the shape of nucleus.
2. It is composed of intermediate filaments and many proteins.
3. It providing mechanical support to the nucleus and play many other rolls in the cell.
4. In a cell if the nuclear lamina fall into disarray, the nucleus is misshapen and all these processes run awry. Such cells in which nuclear lamina is broken, they tend to become senescent in response to internal dysfunction, and cause damage to surrounding tissue.
Amoeba sisters:video recap biomolecules
