Answer:
D
Explanation:
Let's assume there's two cuboidal cells, cell A and B
Cell A has a side of x
Let's find the surface area of cell A
SA = 6(L²)
SA = 6(x²)
SA = 6x²
Let's find the volume of cell A
V = L³
V = (x)³
V = x³
Cell B has a side of 2x
Now let's find the surface area of cell B
SA = 6(L²)
SA = 6(2x)²
SA = 24x²
Let's find the volume of cell B
V = (L)³
V = (2x)³
V = 8x³
As you can see, just by doubling the side length, the ratio between Surface Area and Volume went from 6/x to 3/x (the x² in the numerator and the x³ in the denominator cancel out forming 1/x)
The ratio decreased, therefore, D is the statement that makes sense
Which statement explains a difference between a cell wall and a cell membrane?
which of the following blood types is considered a "universal reciever" A B AB O
Answer:
o
Explanation:
Which of the following is the study of the chemistry of living things?
Biology
Geology
Physics
Organic Chemistry
Answer:
organic chemistry I believe so
Explanation:
good luck
Answer:
Organic Chemistry
Explanation:
how do 2 siblings from the same parents look different to each other
Answer:
After all, kids get their genes from the same parents. But brothers and sisters don't look exactly alike because everyone (including parents) actually has two copies of most of their genes. And these copies can be different. Parents pass one of their two copies of each of their genes to their kids.
Explanation:
Please mark this as brainliest
Which researcher proposed that dreams are a chance for problem solving? A. Sigmund Freud B. Matthew Wilson C. Rosalind Cartwright D. J. Allan Hobson
Answer:
The answer is Rosalind Cartwright.
Explanation:
A researcher who proposed dreams which are a chance for problem-solving is Rosalind Cartwright. Thus, the correct option for this question is C.
What is Problem-solving?Problem-solving may be defined as an instance of illustrating a problem that significantly determines the consequences of the problem along with identification, prioritization, and selection of alternatives for a solution; and implementing a solution.
Rosalind Cartwright was a neuroscientist who proposed the theory of dreams with respect to the chance for problem-solving. She hypothesized the complete mechanisms of dreaming which is particularly based on REM sleep. It is a way to process emotions, experienced during the day.
Therefore, a researcher who proposed dreams which are a chance for problem-solving is Rosalind Cartwright. Thus, the correct option for this question is C.
To learn more about Rosalind Cartwright, refer to the link:
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Which substance is harmful in drinking water at any amount?
A) Nitrates
B) Pesticides
C) Charcoal
D) Coliform Bacteria
Answer:
B
Explanation:
Its a poison stay away from it no matter how much it is
On what basis are rocks classified into three
main groups?
A. their age
B. their color
C. their formation
D. their texture
Answer:
The answer is their formation. (C)
Explanation:
why consumers would want GMO?
Answer:
Probably the taste,looks and/or freshness of the food/drink
Question 1 (2 points)
How did we define homeostasis?
Question 1 options:
Actively changing due to an environmental stimulus
Taking “raw” materials and turning it into a usable energy
The ability to increase in size and complexity
Regulation of bodily functions to stay within a certain range
Question 2 (2 points)
Saved
A hypothesis can be described as
Question 2 options:
a testable explanation.
a theory.
a law.
a wild guess.
Question 3 (2 points)
You notice you begin to sweat whenever the door to your bedroom is closed. This is most closely related to which step in the scientific method?
Question 3 options:
making an observation
forming a hypothesis
forming a conclusion
recording data
Question 4 (2 points)
In an experiment, the variable being tested or changed is the
Question 4 options:
control variable
dependent variable
responding variable
independent variable
Question 5 (1 point)
Match each of the following terms with the correct definition?
dependent variable
controls or constants
independent variable
hypothesis
1.
An testable explanation to explain a natural phenomenon
2.
the variables that are held constant in an experiment
3.
the variable that is measured as data in an experiment
4.
the variable that is controlled by the experimenter
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study?
Question 6 options:
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Sam wished to investigate how fertilizer run-off affects the growth of algae in freshwater lakes and streams. He set his experiment up as follows. He placed 900 ml of water into each of five 1000 ml glass beakers. To each beaker, he added 5 ml of water from an aquarium which contained a large concentration of algae. The beakers were placed under a lamp which was on a timer to provide 12 hours of light each day. Liquid fertilizer was added to the beakers in the following amounts.
Each week, a random sample from each of the beakers was examined under a microscope to get a count of the number of algal cells present.
What is the independent variable in this experiment?
Answer:
question 1 is 4. question 2 is 2. question 3 is 1. question 4 is 2. question 5 is 1=3 2=2 3=4 4=1. question 6 is 2
Which molecule can freely diffuse through the cell membrane?
Oxygen
Nitrogen
Hydrogen
Glucose
Which of these Earth spheres interacts with coral reefs to cause coral bleaching?
Atmosphere
Cryosphere
Geosphere
Hydrosphere
Answer: Atmosphere
Took the test
What is Cellular Respiration and what is the formula for it?
Answer:
Summary. Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system in which molecular oxygen is the final electron acceptor. The overall reaction is: C6H12O6 + 6O2 yields 6CO2 + 6H2O + energy (as ATP).
Explanation:
i said it first
which two products are bromelain likely to produce when breaking down proteins
amino acids
fatty acid
monosaccharides
nucleic acid
polypeptides
disaccharides
The two specific products that bromelain produces when breaking down proteins are polypeptides and amino acids.
What are proteins?Proteins are a major group of biological macromolecules composed of a linear chain of aminoacids that are linked by means of peptide bonds.
Proteins are fundamental macromolecules present in all biological systems and they can be made by one or more polypeptides in order to form molecules that exhibit primary, secondary, tertiary, and quaternary structures.
These macromolecular structures can be evidenced by the tridimensional shapes that adopt different proteins, which can be globular or fibrous.
In conclusion, the two specific products that bromelain produces when breaking down proteins are polypeptides and amino acids.
Learn more about proteins here:
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what is the unit for mass
Metals have properties that we use when we walk into safe buildings, use electricity, or cook food .
TRUE OR FALSE?
PLZZZ HELP!!! I NEED HELP DESPERATELY!!
What is the gain of FADH₂ per pyruvic acid in the citric acid cycle?
Which of the following is NOT a function of the smooth ER?
A. Lipid synthesis
B. Protein synthesis
C. Detoxification
D. Ion storage
Answer: B
Explanation:
If the mRNA codon is CCA, what should be the tRNA anticodon be? And Which amino acid does this make?
Answer:
GGU i think
Explanation:
Ten fish have lived in a 10-gallon fish tank for 6 months. However, within 2 weeks of adding 6 new fish, the population of fish drops to 7
fish. Which most likely accounts for this drop in the fish population?
A. The additional fish increased the water level.
B. The additional fish reduced the space per fish.
C. The additional fish increased the water temperature.
D. The additional fish reduced the carbon dioxide levels.
Answer:
I think it's D
Explanation:
Although space per fish is important, and may even be correct, I found D to be the most logical answer as each fish would need the same amount of carbon dioxide or the unbalance would cause a decrease in population.
Hope this helps
what are the 3 major purposes for the cell cycle
How much energy is used by the organism or lost to the environment as heat between trophic levels
10% or 90%
which statement accurately describes bioaccumulation:
1) a substance, such as a pesticide, collects in the body of an organism over time.
2) the concentration of a substance increases as it moves up the food chain
3) a method to get rid of an invasive species in an ecosystem
4) pesticides in the soil, air and water become sources of pollution.
Answer: 1
Explanation:
I think its the first one because I learned this before and the first one seems reasonable
Whitch part of the cells help keep all its pieces together
Answer:
Cytoplasm
Explanation:
Describe the two stage life cycle of plants: the gemetophyte stage and the sopophyte stage
In the box provided explain why living organisms
contain more hydrogen atoms than any other
atoms, yet 65% of a typical organism's mass is
oxygen
І
Answer:
Explanation:
Living organisms are mostly made of water. Water is a molecule made from 2 hydrogen atoms and 1 oxygen atom, H2O. Now even though there are 2 hydrogen atoms for every oxygen atom in a living organism oxygen atoms are much heavier than hydrogen atoms. Hydrogen atoms are more than 15 times lighter than oxygen atoms and this is why they can be fewer atoms of oxygen in the body but they will still represent a lot of its weight.
Answer:
The living species comprise more number of hydrogen atoms in comparison to any other atoms, still 65 percent of the usual organism's mass is oxygen. The prime reason for this is that an atom of oxygen comprises sixteen times more mass in comparison to a hydrogen atom.
Explanation:
PLEASE ANSWER 15 POINTS
determine the CHARACTER of the bond that will form between phosphorus and bromine
In your own words, define or describe what you
already know about photosynthesis?
Answer: Okay so Photosythesis is the process used in most plants (except carnivorus plants) when the plant uses its chroloplasts (cells only plants have) to convert sunlight into sugar which makes food for the plant so it can live without having to hunt for food.
Explanation:
I hope this helps sorry if it doesn't :(
Have a good day :)
Stay motivated :)
Answer:
Photosynthesis is the process used by plants, algae, and certain bacteria to convert the energy from sunlight (or other usable light sources) into chemical energy. Chemical energy is the energy these organisms use for different metabolic processes. During this process, they take in the carbon dioxide produced by all breathing organisms and release oxygen, which we breathe in once again, into the atmosphere.
Don came up with the hypotheses that butterflies prefer to eat nectar from white flowers Don conduct an experiment and learn that his hypotheses with not correct what should Don do next
Answer:
B
Explanation:
A. Don should change the data he collected to make it look like the hypothesis was correct.
B. Don should test a new hypothesis.
C. Don should communicate the results of his experiment.
D. Don should hide his results so that nobody can see that he was wrong.
The correct thing for Don to do would be to test another hypothesis.
Hypotheses are generalized statements without any experimental tests. Once they are tested and are found not to be true, the next thing is to discard them.
A hypothesis that has been proven not to be true no longer serves any purpose. The next thing would be for Don to make and test a new one.
The correct option is B.
Answer:
Don should communicate the results of his experiment.
Explanation:
The result of DNA having one parent strand and one completely new strand of DNA is???
Answer:
semiconservative replication
Answer:
the DNA is sperm very very vruerh4ieieee
arrange these metric prefixes in order from largest to smallest Milli, kilo- hecto, base, deci-, deca, centi-
Answer:
Kilo, hecto, deca, deci, centi, milli
Explanation:
Kilo is thousand, hecto is hundred, deca is ten, deci means tenth, centi is one hundredth, milli is one thousandth.