Which of the following cells is the most different :
Liver cells
Egg cells
Testicular cells
Uterine cells
Identify the independent variable by highlighting it red. Identify the dependent variable by highlighting it yellow. 1. If I increase the temperature of the seeds, then germination will increase,
Answer:
Independent variable: temperature ; Dependent variable: germination
Explanation:
The independent variable is what is being changed in an experiment. The dependent variable is what you are measuring in an experiment.
When the independent variable is changed (in this case, temperature), it effects the dependent variable (germination).
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What three parts make up the modern cell theory?
Choose 3 answers:
(Choice A)
A
Cells can only come from other cells.
(Choice B)
B
Cells arise spontaneously.
(Choice C)
C
The cell is the building block of all living things.
(Choice D)
D
All organisms are made of one or more cells.
Answer:
d
Explanation:
all organisms are made of one or more cell
Question one - C
Question two - D
Question three - A
2. Four students raced toy cars on a track. The mass and the acceleration of each car is
recorded in the table below.
Toy Cars
Toy Car
Mass (kg)
Acceleration (m/s)
1
0.19
0.15
2
2.0
3.0
1.5
3
0.25
0.21
4
2.5
Which toy car had the greatest applied force?
A 1
B 2.
с 3
D4
Answer:
the answer is 4
Explanation:
i dont know how to explain it but i took the test and it was right.
The car with the greatest applied force is : ( D ) Car 4
Given that :
Force applied is calculated as : Mass * acceleration
Calculating the force applied on each carFor Toy car 1
mass = 0.19
acceleration = 0.15
Force = 0.19 * 0.15 = 0.0285 N
For Toy car 2
mass = 2.0
acceleration = 1.5
Force = 2 * 1.5 = 3 N
For Toy car 3
mass = 0.25
acceleration = 0.21
Force = 0.25 * 0.21 = 0.0525 N
For Toy car 4
mass = 2.5
acceleration = 3
Force = 2.5 * 3 = 7.5 N
From the answers above the car with the greatest applied force is car 4 with a force of 7.5 N
Hence we can conclude that The car with the greatest applied force is : ( D ) Car 4
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How can the study of biology improve human lives? Give two examples.
Answer:
the study of biology can improve someone's but them understanding live the word biology comes with the root word live
Explanation:
Which is an example of science playing a role in developing technology?
A) the use of an electric spark to produce amino acids from gases that are present in Earth's early atmosphere
B) the discovery that Penicillium mold produces a substance that prevents bacterial growth
C) the improvement in lens-grinding technology, which led to the discovery of cells in cork
D) the discovery that microwaves can pop corn, which led to the creation of microwave ovens
Answer:
d
Explanation:
Answer: It's the discovery that microwaves can pop corn, which led to the creation of microwave ovens.
Differentiate between Carnivores and herbivores animals ? Give 2 examples.
Answer:
carnivores eat only meat and herbivores only greens meaning grass, tress, lettuce, etc
Explanation:
HELP!
A researcher observes the enzymatic polymerization of an organic molecule in a cell. Which enzyme is
MOST likely responsible for catalyzing the reaction?
A. a protein
O B. a nucleic acid
O C. a lipid
D. a carbohydrate
Answer:
A. a protein
Explanation:
Proteins function as enzymes in most of the catalyzing reactions, that increases the rate of reaction within cell.
Proteins are consist of multiple numbers of amino acids and the twisting and folding amino acids provide a unique identity to enzymes. Not all the proteins are enzymes but all the enzymes are proteins.
For example: Trypsin, Pepsin, and Lipases.
Hence, the correct option is "A. a protein".
When magma cools beneath the surface of the earth, it forms
a. granite
b. basalt
c. shale
Answer:
When magma cools beneath the Earth's surface, it forms granite.
Explanation:
Basalt is formed at the surface where magma comes in contact with cool air above the Earth's surface, while shale is formed when mud is compressed.
Do flies have white blood cells?
Answer:Sort of
Explanation:
Insects do have blood -- sort of. It's usually called hemolymph (or haemolymph) and is sharply distinguished from human blood and the blood of most animals that you would be likely to have seen by an absence of red blood cells.Oct
During photosynthesis, plants release_____into the air through their leaves.
Answer:
carbon dioxide is the answer
oxygen
Explanation:
because they do and they always have and they do that so we can
what is the pressure that builds up inside of plant cells due to osmosis and the strength of the cell wall called?
is osmosis passive or active transport
Answer:
Passive Transport
Explanation:
Osmosis does not require ATP so it is a passive transport. Osmosis is a form of passive transport. Water molecules are small enough to move freely across the plasma membrane without the use of ATP
message me btw : )
Answer: Osmosis is passive transport.
Explanation: Water moves from areas where solutes are less concentrated to areas where they are more concentrated.
What conclusions can be drawn about the existence of carbon-12, carbon-13, and carbon-14? A) These are forms of carbon and they accommodate 6 neutrons and 6 electrons but each contains a difference number of protons - 6, 7, and 8 respectively. B) These are configurations of carbon and they have 6 protons and 6 neutrons but each contains a difference number of electrons - 8, 7, and 6 respectively. Eliminate C) These are isotopes of carbon and they all contain 6 protons and 6 electrons but each contains a difference number of neutrons - 6, 7, and 8 respectively. D) These are allotropes of carbon and they consist of 6 protons and 6 electrons but each contains a difference number of neutrons - 8, 7, and 6 respectively.
Answer:
C.
Explanation:
All these carbon atoms are isotopes: they have the same amount of protons (in this case, 6 because carbon always has 6 protons) and the same amount of electrons (6 because the carbons given have a neutral charge).
Therefore, the only thing we are changing is the atomic mass and the amount of neutrons present in each isotope.
In Carbon-12, there are 6 protons, 6 neutrons, and 6 electrons.
In Carbon-13, there are 6 protons, 7 neutrons, and 6 electrons.
In Carbon-14, there are 6 protons, 8 neutrons, and 6 electrons.
Answer:
These are isotopes of carbon they both contain 6protons and 6electrons but each contains a diff about of neutrons 6,7 and 8 respectively
What type of element is Iron
pls hurry
Spontaneous generation is
Answer:
Explanation:Spontaneous generation is a body of thought on the ordinary formation of living organisms without descent from similar organisms. The theory of spontaneous generation held that living creatures could arise from nonliving matter and that such processes were commonplace and regular.
what essential elements are found in large molecules
Answer: carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
Explanation:
Answer:
I'm from Brazil, I will answer in English and Portuguese for you to train
CHONPS (ou apenas CHON) é um acrônimo mnemônico para os seis elementos químicos mais frequentes na composição dos seres vivos (ou os mais essenciais): Carbono (C), Hidrogênio (H), Oxigênio (O), Nitrogênio (N), Fósforo (P) e Enxofre (S). Estão também entre os mais abundantes do planeta.
CHONPS (or just CHON) is a mnemonic acronym for the six most common chemical elements in the composition of living things (or the most essential): Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), Phosphorus (P) and Sulfur (S). They are also among the most abundant on the planet.
Which of the following is the independent variable for the previous
experiment?
scores on the test
the classical music
the classroom
the students taking the test
In the cell cycle typical cancer cells, mutations have most likely caused
A.uncontrolled growth
B.a halt in cell division
C.a failure in mitosis
D.slower growth
Answer:
This process is akin to searching for the proverbial needle in a haystack, because many of the mutations present in these cells have little to nothing
Explanation:
During mitosis, normal cells undergo checkpoints that monitor the fidelity of the processes that occur during the cell cycle. Uncontrolled cell growth refers to the breakdown of these regulatory checkpoint mechanisms.
In the cell cycle of typical cancer cells, mutations most like cause UNCONTROLLED GROWTH (Option A).Apoptosis refers to the programmed cell death that prevents the uncontrolled growth of cancer cells.In cancer cells, genes that control apoptosis during the cell cycle suffer mutations, thereby leading to uncontrolled cell growth.In conclusion, in the cell cycle of typical cancer cells, mutations most like cause UNCONTROLLED GROWTH (Option A).
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In your own words, recognize that theories do not become laws and laws
do not become theories.
What do you think of when you hear the word science
Answer:
Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence.
Explanation:
Which of the following is true about the action of enzymes? *
the binding of the substrate denatures the enzyme
O substrates bind at a site remote from the active site
the binding of a substrate changes the shape of the active site so the reaction can
occur
enzymes increase the energy required to initiate the reaction
Answer:
enzymes increase the energy required to initiate the reaction
Explanation:
what acid fermentation regenerates NAD+ with lactic acid
Answer:
actic acid fermentation
Explanation:
Which if the following statements is true regarding scientific hypothesis?
Answer:
A testable hypothesis is valuable, even if evidence shows that it is false
Explanation:
Sorry it took so long hope it helps!!
Explore the following website:Save The Pacific Northwest Tree Octopus What have the authors done to make the site look valid? What indications are there that the Pacific Northwest Tree Octopus is not real? Give three examples for each answer.
Answer:
They tried to make it look credible by listing the author and contacts and stuff but do not have any official sources. They are photo edited pictures from other people.
Explanation:
i added pictures from the web site and made note of added tiny details.
The attractive force between two bodies of different substances that are
in contact with each other. *
Activation Energy
Enzyme
molecule
Adhesion
Info
What step of the scientific method comes after forming
question?
a
:What do we need to figure out next to explain what essential elements are found in
large molecules?
Answer:
sorry I don't have this answer
24. If scientists search other planets for possible life, they are likely to focus on the presence of
molecule containing which of the following elements?
A. Iron
B. Carbon
C. Potassium
D. Sodium
Similarities between exponential growth and logistical growth ?
Answer: Exponential population growth: When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce.
Explanation: