What’s the difference with prokaryotes and eukaryotes and how are they the same?

Answer:

crust closer to a mid-ocean ridge moves away from the ridge and toward a deep-ocean trench. Sea-floor spreading and subduction work together.

Explanation:

Answer:

C

Explanation:

scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it.

Answer:

Scientific theories and laws develop from the acquisition of scientific knowledge.

Explanation:

Answer:Improvements in the carbonisation of viscose fibers. While maximum theoretical carbon yield for the carbonisation of viscose fibres is 44%, in reality the carbon yield is just in the range of 20%. ...

ELG Carbon Fibre receives ISO standard. ...

Porous carbon fibers have more power.

Answer:

wrapping the electrical cord around the microscope

Explanation:

i took the test

The action that is designed to increase the safety of a person carrying a microscope from one place to another is as follows:

Thus, the correct option is C.

A Microscope may be defined as a laboratory instrument that constructs an enlarged image of a small object such as cells and thus illustrating details too small to be seen by the unassisted eye.

In order to increase the safety of a person that holds a microscope and wants to shift it from one place to another via protecting by wrapping the electrical cord around the arm of the microscope.

The arm of the microscope is the place that is generally people hold when they carry a microscope from one place to another.

Therefore, the correct option for this question is C.

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Answer: Fatty acids. . Monosaccharides. . Nucleotides. . Amino acids. . What type of molecule is represented by the model below?. . -A molecule made up of four carbon rings with other atoms bonded to those rings-. . A.Fat. . B.Carbohydrate. . C.Steroid. . . D.Protein

Explanation:

Experimentation and data collection provides solution to certain problems. It helps to solve an hypothesis formulated providing results and serve as guide for further experiments.

1. A scientific hypothesis is best described as an "educated guess." - False

2. Failure to disprove a hypothesis proves that the hypothesis is correct.- False

3. Scientific theories are never questioned.- False

4. A scientific theory is based on educated guesses and is not backed up by facts/data.-False

5. Scientists that contribute data that contradicts an established theory are not highly regarded in the scientific community.- False

7. Scientific facts are never questioned.-False

The True

6. In order for an investigation to be considered scientific, a controlled experiment must be used.- True

A control serves as a guide in an experiment as the experimental variable is tested with it to see the possible changes or outcome.

8. Science can only answer questions about things that can be seen and observed.- True

Science provides solutions to problem that have been identified, for which data are generated in respect to the problem identified and solutions are provided.

9. Untestable hypotheses fall outside the realm of scientific inquiry -True

An hypothesis should be testable, it is the problem statement that requires a solution.

Answer:

what's measured and effected during a study.

it's named dependent because depends on it's independent variable. dependent variable is often called a response or output, because it's the response you'll get after an experiment.

Answer:

109,440 beats per day

Explanation:

75 times 60 (the amount of minutes in an hour) equals 4,560

456p times 24 (the amount of hours in a day) equals 109,440

Answer:

C : The asthenosphere

Explanation:

The asthenosphere located next layer within the mantle . It has the same chemical composition of the mesosphere.

Answer:

asthenosphere

Explanation:

Answer:

Spermatozoa: 23 chromatids

Ootid: 23 chromatids

Anaphase of mitosis: 92 chromatids

Oogonium prior to S phase: 46 chromatids

Explanation:

1) Spermatozoa, also known as sperm cell is a haploid gamete (n) that results from the meiotic division of a dipoid reproductive cell. Since there are 23 pairs of chromosomes or 46 chromosomes in human somatic cells, there will be 23 chromosomes in the spermatozoa. Also, meiotic division occurs twice and separates sister chromatids in meiosis II. Hence, spermatozoa will contain 23 chromosomes (n) with 1 chromosome each i.e. 23 chromatids

2) Ootid is a haploid cell that arises from the second meiotic division of a secondary oocyte. A primary oocyte, with 46 chromosomes/92 chromatids, undergoes meiosis I to produce secondary oocyte with 23 chromosome/46 chromatids, which in turn undergoes meiosis II to produce ootid with 23 chromosomes/23 chromatids (each chromatid is an individual chromosome).

3) Mitosis is the cell division that produces two identical diploid (2n) daughter cells. Note that, 46 chromosomes get replicated to form 92 chromatids. In the anaphase stage of mitosis, sister chromatids get pulled apart to opposite poles but still remain in the cell as cytokinesis is yet to occur.

4) Oogonium is the diploid (2n) cell that gives rise to primary oocyte via mitosis. Prior to the S phase where chromosomes replication occurs, Oogonium cell will contain 46 chromosomes and 46 chromatids.

D) Biological community

Explanation:

Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.

A biological community is made up of things like a forest of trees and underbrush plants that is home to various animals and is anchored in bacterial and fungal-rich soil.

Each species in a community fills a certain ecological niche. A species' interactions with other individuals in the community, such as rivalry, predation, parasitism, and mutualism, are included in its niche.

The positions along the food chains that indicate which organisms in a community consume which other organisms are referred to as trophic levels.

Therefore, Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.

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Answer:

The use of the word "draw" here refers to the collection of blood samples for laboratory tests.

Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.

Step B - This goes into the coagulation tube with a blue cover.

Step C - The next draw goes into the tube for non-additives. This usually has a red top

Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:

Cheers!

Answer:

TYPE OF LIQUID SUBSTANCE RECEIVED

Explanation:

The independent variable in an experiment is the variable that the experimenter deliberately changes or manipulates in order to bring about a response in the dependent variable/measured variable.

In this experiment, the TYPE OF LIQUID was changed for each group of plant in order to see how it affects how the plants grew. Hence, the TYPE OF LIQUID is the independent variable while the dependent variable is the plant growth, which is dependent on the independent variable.

Answer:

Mass.

Explanation:

It's mass. Example: when a baby is born, is he (or she) measured in grams, or in pounds?

Enzymes are biological catalysts. ... Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind. This is termed "induced fit", meaning that the precise orientation of the enzyme required for catalytic activity can be induced by the binding of the substrate.on:

Answer:

Chemical reactions occur at the active site of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.

Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate.

Activation energy is energy that must be added to get a reaction started, which is recovered as the reaction proceeds.

Enzymes can catalyze reactions through a variety of ways including destabilizing the bonds within the substrate.

Explanation:

usatestprep

Answer: Because not enough oxygen is getting into the blood cells

Explanation:

Answer:

yes

Explanation:

you would be able to survive

If the human's body only had one type of cell, they will not be existing. Hence, the answer is no.

The human body is the most complex of all living organisms. It is made up of trillions of cells that are organized into tissues, organs, and organ systems with each organization carrying out different functions. Without these organizations, humans will not be able to carryout essential life processes and as such, not able to survive.

If the trillions of cells are just one type of cell, then, only one tissue, organ, and organ system can be formed. The cells had to differentiate in order for them to be organized into different tissues, organs, and organ systems

In other words, if your body had only one type of cell, the different biological processes being carried out would not be possible and you would not survive.

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Answer:

Does fertilizer help a plant grow taller?

Explanation:

Every experiment begins with an observation, which then leads to a scientific question that can be tested. In this question, a student measures and records the growth (in height) of two flowering plants every other day for 20 days. He then waters each flowering plants with same amount of water (200mL) but adds 10mL fertilizer to only one group of flowering plant.

This experimental set up implies that fertilizer is the independent variable or manipulated variable of the experiment while the dependent/measured variable is the growth (height) of plants.

N.B: 200mL of water is a constant or controlled variable

Hence, based on the identification of the independent and dependent variables, it can be said that the student is testing IF fertilizer will improve the growth in height of the flowering plants, hence, the scientific question will be: DOES FERTILIZER HELP A PLANT GROW TALLER?

Answer:Hard is the answer

Explanation:

Answer:

A(strong winds)

Explanation:

did the test on edg

Answer:

6 electrons

2 electrons

8 electrons

Answer:

A. Hydrologist

Explanation: A hydrologist is the environmental scientist who is likely to study methods of water conservation and decontamination. He is the person who carries out research on circulating, distributing and studying physical properties of the underground surface of the earth, and its surface waters.

Answer:

Q3: B. Hydrogen ions

Q4: Intermolecular force

Q5: D. Cohesion

Answer: Option C.

if resistance increases, flow decreases.

Explanation:

if resistance increases, flow decreases describe Poiseuille's law because it explain the relationship between fluid flow and the viscosity of the fluid, length and width of the turning. The law describe fluid flow is related to length and radius of tubing and viscosity. Increase in resistance will result in decrease in flow rate because flow and resistance are reciprocally related in one way or the other.

Explanation:

Deoxyribonucleic acid (DNA)is a molecule composed of two polynucleotide chains that coil around each other and growth is the increase of size in a child while development is the process in which a child develops his or her skills

Answer:

species is the lowest subgroup

Explanation: