Answer: D. Only meiosis results In a reduction In chromosome number.
Explanation:
I got it correct on the test
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.
What type of element is Iron
pls hurry
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:
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.
The attractive force between two bodies of different substances that are
in contact with each other. *
Activation Energy
Enzyme
molecule
Adhesion
What facts did you use to predict the pH values of the solution?
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.
what acid fermentation regenerates NAD+ with lactic acid
Answer:
actic acid fermentation
Explanation:
what is the pressure that builds up inside of plant cells due to osmosis and the strength of the cell wall called?
In your own words, recognize that theories do not become laws and laws
do not become theories.
Info
What step of the scientific method comes after forming
question?
a
NEED HELP DUE TODAY PLZ HELP ME I AM STUCK PLZ PLZ PLZ HELP ME!!!!
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
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
Which of the following cells is the most different :
Liver cells
Egg cells
Testicular cells
Uterine cells
Science is open to change.
O True
O False
False not unless it has went under many experiment to be proven else how
This is true in most cases. More is found about a topic, then what is known can change depending on what information can be found.
What causes an earthquake?
hard collisions between tectonic plates
buildup of pressure between tectonic plates
buildup of magma
extreme rock deformation
Answer: ( B. ) build up of pressure between tectonic plates
Explanation:
Mosquito repellent is sprayed on one arm and the other one is not sprayed. the number of mosquito bites is counted after 2 hours. what is the dependent variable and independent variable?
Answer:
who will answer this
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".
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
You are in an area near the shore of a pond with many grasses and no trees. You are in a ____________________.
a.
tundra
c.
forest
b.
marsh
d.
savanna
Answer:
marsh
Explanation:
Differentiate between Carnivores and herbivores animals ? Give 2 examples.
Answer:
carnivores eat only meat and herbivores only greens meaning grass, tress, lettuce, etc
Explanation:
___ is the only continent not to experience tornadoes. Africa Antarctica America
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).
: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
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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An adult panda bear must eat at least 30 pounds of bamboo in a day. There are 12 adult pandas living in part of a
bamboo forest.
How many pounds of bamboo, at minimum, must be available each day in order to support the population of
pandas?
12
30
348
360
Answer: (D) 360
Explanation:
An adult panda bear must eat at least 30 pounds of bamboo in a day. There are 12 adult pandas living in part of a bamboo forest 360 pounds must available each day.
Why does panda only eat bamboo?Panda comes under the specialist because its eats only bamboo because it's present abundantly and Thus they don't have to fight with other animals to get it.
Bamboo is rich in fibre but has less nutrients, so pandas have to eat 20 to 40 pounds of the elements every day just to get by.
Thus, option "D" is correct, 360.
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Which would most likely interact with an open flame and cause an accident
A-Covered shoes
B-Contact lenses
C-Goggles
D-Loose hair?
Answer:
D, loose hair.
Explanation:
If your hair is long enough, it could easily drift into the flame and catch on fire.
Answer:
D. Loose hair
Explanation:
Loose hair would be the most likely to cause an accident with an open flame.
Especially if the hair is long, it can dip down into the flame and catch on fire.
The other objects would not be interacting with the flame because they would be far away, while loose hair can reach into the area where the flame is.
Adult giraffes eat about 75 pounds of food in a day. On average, an area can provide 450 pounds of food per day for giraffes.
Based on this information only, what is the carrying capacity for adult giraffes in this area?
6
75
375
450
Answer: the carrying capacity for adult giraffes in this area is: 6.
Explanation: [ 450 pounds divided by 75 = 6. ]
Fun Fact - Giraffes can drink up to 10 gallons of water a day and spend 16-20 hours a day feeding, their favorite food is Acacia Leaves.
Adult giraffes eat 75 pounds of food in a day. On average, an area can provide 450 pounds of food per day for giraffes.
The carrying capacity for adult giraffes in this area are 6.
How the carrying capacity for giraffes in given area is determined?Adult giraffes eat = 75 pounds of food per dayArea provides = 450 pounds food per dayso, carrying capacity for giraffes in the area equals,
food provided by are per day\ food eater by giraffes in a day
=450\75
= 6.
Hereby, carrying capacity of giraffes in this area is measured.
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Glucose is a building block of carbohydrates. Which of these best describes glucose?
A. nucleotide
B. protein
C. monosaccharide
D. lipid
Answer:
monosaccharide
Explanation:
Glucose is called a simple sugar or a monosaccharide because it is one of the smallest units which has the characteristics of this class of carbohydrates.
Glucose is the simplest monosaccharide which cannot be broken down further. Thus, option C is correct.
What is Glucose?Glucose is the primary component of carbohydrates. Glucose is a monomer made up of carbon, hydrogen and oxygen. Molecular formula of glucose is C6H12O6.
The functional group in glucose is an aldehyde present at the first carbon atom.
Glucose is called monosaccharides because it cannot be hydrolysed further. It is the simplest carbohydrate also referred as simple sugars.
Glucose molecules are chiefly linked together forming a glycosidic bond by removal of water molecule and form a disaccharide.
Glucose is chiefly produced by plants during the process called photosynthesis.
Glucose is the key component in metabolism. It provides energy to the body cells to carry out physiological activities. Glucose is found in blood.
Excess of glucose in the blood results in a medical condition called diabetes. It can be life threatening if not managed on time.
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Which of the following is an example of a detritus food chain?
A. Graas, Insects, Snakes.
B. Plankton, Large fish, small fish.
C. Organic matter, Bacteria, Molluscs.
D. All of the above.
Explanation:
Detritus food chain is the type of food chain that starts with dead organic materials. The dead organic substances are decomposed by microorganisms. The organisms that feed on dead organic matter or detritus, are known as detritivores or decomposers. These detritivores are later eaten by predators.