What functions are carried out by the interaction of the circulatory and respiratory systems?
Answer:
Explanation:
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A (Blank) is a specific sequence of nucleotides in a strand of DNA that codes for a specific sequence of amino acids.
A dry soil sample has a volume of 500 mL. After 400 mL of water are added to the soil, the soil becomes saturated with
150 mL of surface water left on top. What is the porosity of the soil?
O 30%
O 38%
O 50%
O 63%
Answer:
answer is 50
Explanation:
i gess on quiz and it was correct
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A dry soil sample has a volume of 500 mL. After 400 mL of water are added to the soil, the soil becomes saturated with 150 mL of surface water left on top. The porosity of the soil is 50%. Thus, option C is correct.
What is Forest soil?Forest soil has more moisture than sandy soil therefore the types of plants that are grown in soil of forests are more qualitative and more superior than the sandy plants which are facing certain limitations and facing certain situations.
Forest soil supports plant life, but sandy soil does not support any plants. Forest soil produces more superior life and the plants life are found in the forest area and the sandy plants are lesser found in the sandy areas.
The reason for vegetation in forests is because of the supportive factors that are involved in the good plants life. The soil type that is the richest in organic material would be a dark-colored soil. Decaying matter turns brownish-black which makes this type of soil having a dark color even almost black.
Therefore, A dry soil sample has a volume of 500 mL. After 400 mL of water are added to the soil, the soil becomes saturated with 150 mL of surface water left on top. The porosity of the soil is 50%. Thus, option C is correct.
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What advantage does the white-faced marmoset gain by its method of reproduction?
The marmoset population has genetic variation.
The marmoset can reproduce without a male.
The marmoset can reproduce many offspring at a time.
The marmoset can reproduce by budding.
Answer:
Well, I know that they can reproduce many at a time but its rare.. So i think its c.
Explanation:
Sorry if im wrong, I tried my best. ;c
The advantage of white-faced marmoset gain should be the third option
What is reproduction?Reproduction refers to the biological process by which new individual organisms should be offspring that are generated from their parent. The advantage should be a marmoset that could be reproduced various offsprings at the time.
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A population of bacteria is experiencing exponential growth and doubles in population size every 20 minutes. If there was 1 bacterium at 0 minutes, how many bacteria will there be in 140 minutes? please help for a test worth 20 points
Answer:
980
Explanation:
Because if the bacterium doubles every 20 mins it will multiply 7 times to get to 140 mins.
I hope this was right. Have a nice day! <3
Two adjacent solution are______ if they have the same concentration of solute.
A scientist is extracting the DNA of a multicellular organism. He finds that 20% of the strands bases are Thymine. Based on Chargaff's rule, what percentage of the
strands bases would be Adenine?
A. 20%
B. 70%
C. 40%
D. 60%
Answer:
A. 20%
Explanation:
A DNA molecule consists of four nucleotides viz: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). According to Chargaff in his complementary base pairing rule, these nucleotides pair with one another in such a way that A bonds to T, while G bonds to C.
Based on Chargaff's rule, the amount of Adenine in the DNA is equal to the amount of Thymine while the amount of Guanine is equal to that of Cytosine i.e. A=T, G=C.
A + T + G + C = 100%
Hence, in this question, a scientist finds that 20% of the strands bases are Thymine. This means that the amount of Thymine in that DNA will also be 20%. S
Since A=T = 20% in accordance to Chargaff rule.
How do greenhouse gases affect Earth?
A. They cause wind currents to increase.
B. They decrease ocean currents, cooling the planets.
C. They stop heat from escaping the atmosphere.
D. They reflect sunlight away from Earth.
Answer:
the answer is c
Explanation:
Greenhouse gases affect Earth because They stop heat from escaping the atmosphere.
Thus, A greenhouse is a glass-enclosed building that can be used to cultivate plants. The greenhouse's air and plants are warmed by the sun's rays.
The heat that is trapped inside is unable to escape, warming the greenhouse, which is necessary for the plants' growth. The atmosphere of the earth is the same.
The atmosphere of the planet warms during the day due to the sun. The heat is radiated back into the atmosphere at night when the earth cools. The greenhouse gases in the earth's atmosphere absorb the heat throughout this process.
Thus, Greenhouse gases affect Earth because They stop heat from escaping the atmosphere.
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How do animals obtain energy from the foods they eat?
A. Water in foods is broken down to release energy.
B. Sugars in foods are broken down to release energy.
C. Fats are produced in the body and used to make energy.
D. Proteins are produced in the body and used to make energy.
fats are produces in the body and used to make energy
Which scientist(s) figured out that the shape of a DNA molecule is a double helix?
a. Hershey and Chase
b. Griffith
c. Watson and Crick
d. Franklin
Answer:
thanks
Explanation:
c
Which is the process by which green plants use sunlight, water, and carbon dioxide to make food?
o photosynthesis
o cellular respiration
o anaerobic respiration
o fermentation
PLEASE HELP ME PLEASE :)
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2 = A+B--->C+D
Describe the sodium potassium pump using as much detail as possible. Bonus if you can accurately describe how this relates to cystic fibrosis. and i will make u brainliest
Answer:
The sodium–potassium pump is found in many cell (plasma) membranes. Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are imported into the cell
The structure labeled "A" open and close the sites where the gases, carbon dioxide and oxygen, are exchanged during photosynthesis. What is the structure labeled A?
The structure A in the question seems missing but the given answer is based on the description given in the question.
Answer:
The gaseous exchange of carbon dioxide(CO2) and oxygen(O2) occurs through small, regulated openings called stomata during photosynthesis.
Therefore the Structure A is Stomata
Question 16 of 30
After a hurricane, a small group of seabirds flew off course and formed a new
population. Gene flow between the new population of seabirds and the
original one stopped, and the two populations evolved differently.
What process first caused the seabird populations to evolve differently?
A. Natural selection
B. Genetic drift
C. Reproductive isolation
D. Geographic isolation
Answer:
It’s B genetic drift
Explanation:
The group of birds separated from one another which led to different evolution for both groups of birds because of the new environment
Function of trichocyst
Answer:
Just read this and summarize it
Explanation:
There you go!
What dose the numbers on the map mean
Answer:
how far you need to go and the coordinate 55 south or something
Explanation: 55 south or something
Which of the following terms is used to describe how part or parts of an organism work?
A. Equilibrium
B. Physiology
C. Metabolism
D. Homeostasis
Answer:
B. Physiology
Explanation:
The way in which a living organism or bodily part functions.
The branch of biology that deals with the normal functions of living organisms and their parts.
There are two forms of diabetes. Type II diabetes is also known as late-onset diabetes because it typically affects adults. Consider the following information about Type II diabetes:
Studies have shown that the lifetime risk for developing Type II diabetes is 40% for individuals who have one parent with Type II diabetes.
If a person has two parents with Type II diabetes their risk rises to 70%
Other factors that affect your risk for Type II diabetes include obesity, a sedentary lifestyle (not moving around much), a small or large birth weight, and stress.
Use the information above to answer the question: Is your risk of having Type II diabetes due to your genes, or due to the influence of the environment on your genes (epigenetics), or both?
Answer:
Both
Explanation:
As explained in the passage wether your mom or dad or both have had type ll diabetes in the past determines your risk of having it as well which is part of your genes. But also the influence of the environment on your gene is also a cause to type ll diabetes . Some people would rather stay inside rather than get exercise or some people would rather eat candy or sweets for breakfast or dinner all these things are causes of type ll diabetes which they are caused by the influence big the environment on your genes.
the source of electricity that turns solar energy directly into electricity is?
• wind
• solar thermal
• photovoltaic
•hydroelectric
Answer:
the answer is photovoltaic
does any one know whats wrong with my foot it has been in constant pain since yesterday now i dont know if it is a sprain or what plz help im in constant pain now i can hardly walk it is the long near the big toe right in the center of the long bone conecting to my ankle plz i need to know if i need to go to doctor.
Answer:
Yes. You need to go to the doctor.
Explanation:
Your foot could be doing this because the bone itself could be bruised or else it somehow got injured or is in some other type of pain.
do cells produce waste
The lagging strand can be copied in ___
A. segments
B. continuous strand
Answer:
A......................
HELPPPP PLEASEEE I don’t get this at all
Answer:
i dont really see it
Explanation:
Answer: You should say that the graph matches the scientists claim because the scientist says that the oxygen levels in the artery increase while the oxygen levels in veins decrease.
Explanation:
Which part of the membrane can catalyst chemical reactions
Answer:
Should be the proteins
In the scientific method An educated guess or suggested solution to a problem is known as which of the following
Question 1 options:
guessology
dependent variable
Hypothesis
conclusion
Answer:
Hypothesis
Explanation:
This is a guess that is not that very probably correct so its just suggested, from approximating things
Select the correct answer. Jane starts to blink her eyes when her brother shines a flashlight at her. Why does Jane start blinking her eyes? A. because of a spinal reflex B. because of phototropism C. because of a voluntary reaction D. because of fear
Answer:
C
Explanation:
Jane is reacting to the flashlight being shined in her eyes.
Answer: A or D
Explanation:
It wasn't b or c so go 50/50 with your chances buddy.
where does a plant obtain its supply of co²
Answer:
The leaves
Explanation:
It happens in the process of photosynthesis
Cells use a molecule called
Choose...
to store and release energy like a battery. The energy is stored in chemical bonds between
Choose...
groups of the molecule, and the energy is released when the chemical bonds are broken.
Answer:
ATP & Phosphate
Explanation:
just took the quiz and got it right
B. What is the largest cell called?
This is the largest cell in the human body. In
contrast, the sperm cell is the smallest cell in
the human body.
HELP ASAP!!!