Discuss the bone under the following headlines: Composition, type, parts and structure.
Answer:
Explanation:
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Answer:
Bones are composed of two types of tissue:
1. Compact (cortical) bone: A hard outer layer that is dense, strong, and durable. It makes up around 80 percent of adult bone mass.
2. Cancellous (trabecular or spongy) bone: This consists of a network of trabeculae or rod-like structures. It is lighter, less dense, and more flexible than compact bone.
Also found in bones:
osteoblasts and osteocytes, responsible for creating bone
osteoclasts or bone resorbing cells
osteoid, a mix of collagen and other proteins
inorganic mineral salts within the matrix
nerves and blood vessels
bone marrow
cartilage
membranes, including the endosteum and periosteum
Explanation:
Should the thruster fire exert force in the same direction or opposite direction to bring the Pod to a stop? Explain.
Answer: Explain the claim : Firing the thrusters would have caused the pod to move in the opposite direction. The pod would have had to have a lighter mass meaning a smaller amount of force would have had to be exerted onto the pod making it move in the opposite direction.
Explanation:
present and debate current social and ethical implications of biotechnology and genetic engineering
Answer:
These concerns range from ethical issues to lack of knowledge on the effects genetic engineering may have. One major concern is that once an altered gene is placed in an organism, the process cannot be reversed. Public reaction to the use of rDNA in genetic engineering has been mixed.
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Which statement describes how maps represent Earth's surface? They have a three-dimensional surface. They use symbols to represent land features. They all use the same scale to show distance. They accurately represent the relative shape of Earth.
Answer:
B. They use symbols to represent land features.
Explanation:
In Geography, topography can be defined as the shape and structure of the Earth surface. Thus, a topographic map is used to graphically describe this features.
A topographic map can be defined as an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of the Earth.
A topographic map uses contour lines to represent points of equal elevation above sea level such as mountains, hills, plains, valley etc.
The two-dimensional model of a topographic map graphically represents the height of a mount and the steepness of a slope through the use of contour lines.
Contours can be defined imaginary lines used for connecting locations that are having similar elevations on the Earth's surface. These contour lines are typically used for modeling the three-dimensional shape of the Earth surface in a topographic map.
Hence, the statement which best describes how maps represent Earth's surface is that, they use symbols to represent land features.
Answer:
B. They use symbols to represent land features.
Explanation:
Select all that apply.
Which of the following statements are true?
A purebred organism can either be TT or tt.
The combination of two genes determines the genetic trait of an organism.
Recessive genes will sometimes be masked by dominant genes.
It is possible for two genetically different plants to have the same phenotype.
Answer:
A purebred organism can either be TT or tt.
It is possible for two genetically different plants to have the same phenotype.
Explanation:
Where would you expect a maritime tropical air mass to originate?
Answer:
Maritime tropical air masses originate over the warm waters of the tropics and Gulf of Mexico, where heat and moisture are transferred to the overlying air from the waters below.
Explanation:
What two components are often found as part of
an enzyme?
Answer:
The two components which are often found as part of an enzyme are Active site and protein. Proteins are referred to as macromolecules or macromolecules which consists of more or one of a chain of amino acid residue. They do perform an array of functions which are within organisms.
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Describe how an organism's genotypes codes for their phenotype. In your answer use the vocabulary terms: Phenotype, genotype, DNA, mRNA and protein. Please dont answer if you dont know it.
Answer:
The organism's genotype encodes their phenotype because the genotype corresponds to the characteristic that is determined by genes —formed by fragments of DNA— which are transcribed into mRNA to be translated into amino acid sequences in the synthesis of proteins, determining the morphological and functional characteristics of an organism, that is, its phenotype.
Explanation:
Genotype corresponds to the genetic information contained in the DNA, according to the sequence of nucleotides in its molecular structure. This genotype includes characteristics or polymorphisms that define the appearance and function of living beings.
Each DNA molecule constitutes a chromosome, formed by genes —DNA fragments— each of which determines specific characteristics.
When DNA is transcribed into mRNA, information is being sent that is necessary for the incorporation of amino acids into a protein that is being synthesized. The proteins, in turn, determine morphological and functional characteristics that constitute the phenotype of an individual.
When a continent is closer to the equator the climate is
Answer:
The closer a continent is to the equator, the warmer it will be.
Explanation:
The middle of the earth is its largest point, and is therefore closer to the sun than any other area. It is also in more direct sunlight, and has warmer climates.
which of these provided information about animal adaptations to climate change?
a. fossils
b. ice cores
c. tree rings
d. sea-floor sediment
Answer: floor
Explanation:
Fossils are structures which provided information about animal adaptations
to climate change.
Fossils refers to remains of living organisms which have been replaced in the form of rock particles due to its presence in the soil for a long period of time.
The fossils contain an understanding of the structures and characteristics
the animals had which is then compared to its present structures. This helps
to explain how the animals adapted to climate change through changes in
the structure, shape of parts of the body.
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If we were allowed to fish in these waters, how would it affect the food chain? The dolphins in particula
Answer:
Things that would/could affect the dolphins:
Driving away food sourcesOverfishing would cause a lack of food sourcesOverfishing could make them along with other species compete for food/survivalAccidents involving dolphins with boats and fishing equipmentExplanation:
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describe the subcellular structures that found in all bacteria
Answer:
The subcellular structures found in bacteria are: cell wall, cytoplasmic membrane, cytoplasm, ribosomes, vacuoles, plasmids, nucleoid —circular DNA— and annexes, such as pili, cilia and flagella.
Explanation:
Bacteria are unicellular prokaryotic organisms, characterized by a simple structure, lacking a nucleus and most of the organelles, with a circular DNA molecule that is free in the cytoplasm.
The sub-cellular structures present in the bacetry are
Cell wall, surrounding the plasma membrane, composed of peptidoglycan. Plasma membrane of lipidic nature, which covers and protects the cytoplasm. It is possible to find in some bacteria two plasma membranes.Cytoplasm, lacking endomebrane system. Nucleoid is not a true nucleus with nuclear membrane, but corresponds to circular DNA that is free in cytoplasm. Plasmids are fragments of DNA that are associated with the nucleoid, useful for the exchange of genetic material with other bacteria. Ribosome, which participate in the synthesis of bacterial proteins.Vacuoles are structures that are responsible for the storage of reserve substances, useful for bacterial metabolism. The structures annexes to bacteria are the pili, cilia and flagella. The pili are small villi present on the bacterial surface and participate in the process of intercellular communication and conjugation in prokaryotes. Cilia and bacteria serve for the mobility of bacteria.It would be best to use a collecting net to catch which of the following insects?
A. Ground Beetles
B. Gnats
C. Ants
D. Grasshoppers
Answer:
d. grasshoppers
Explanation: ground beetles dont fly or anything like that. gnats are to small for a net. ants are also to small for that
What foods from each food group would provide a balanced breakfast
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Answer:
A well-balanced breakfast includes foods from at least three out of the five food groups. Whole grain breads and cereals; low-fat dairy products, and fruit are typical breakfast choices. Choosing a high-fiber cereal with low-fat milk or yogurt for breakfast has been linked to improved weight or weight loss.
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Answer:
Whole grains, low-fat dairy products, fruit, lean protein
Explanation:
Whole Grain- Cereal, toast, whole grain waffles
Dairy Products- Milk, yogurt
Fruit- Apple, grapes, oranges, etc.
Lean Proteins- Eggs or nuts
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Answer:
They will move inside the cell cos the concentration inside the cell is too low
Explanation:
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Answer:
2nd option
Explanation:
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What materials are needed for photosynthesis to occur?
Answer:
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight
Explanation:
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What is the temperature of Jupiters surface?
Answer:
minus 234 degrees Fahrenheit or minus 145 degrees Celsius
Explanation:
What role did the detergent play when added to the strawberry solution?
Answer:
when added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA strands could gather and clump,making it easier for you to see them.
What is an Igneous Rock?
rock that forms when existing rock changes to a new rock because of heat and pressure
⊝
rock that forms by the process of compaction and cementation of sediments
⊝
rock that forms when melted rock (magma, lava) cools and hardens
Answer:
rock that forms when melted rock (magma, lava) cools and hardens
Explanation:
Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust.
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How does the structure of the
different seeds allow them to move and to grow into a new plant?
Please help it’s due today!
Answer:
Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.
Explanation:
4. Thermal conduction works when two objects are in_______with each other. The_________
energy of the molecules causes them to bounce into each other, causing heat to move through
the object.
A person with cystic fibrosis would have which genotype?
what makes one mineral harder than the other? Explain
Answer:
The hardness of a mineral is mainly controlled by the strength of the bonding between the atoms and partly by the size of the atoms. It is a measure of the resistance of the mineral to scratching, the Mohs scale is for natural minerals.
Answer:The ones that are tightly bound together look different than do ones with looser bonds. For example, in the illustrations below, (A) shows the atomic structure of carbon in a diamond, and (B) is the carbon arrangement in graphite. (A) is more compact than (B), hence it is harder.
Explanation:Rocks are made of minerals, and different minerals have different crystal structures. The chemical bonds that hold atoms together in these minerals are stronger in some than in others, and the atoms themselves determine which bonds are stronger than others.
Which of the following would require the use of recombinant DNA?
1. Crossing two apple trees to create better apples.
2. Breeding a donkey and a horse to make a mule.
3. Engineering bacteria that produce human insulin.
4. Creating a polyploid banana tree.
Scientists are looking to determine the primary productivity of a lake by analyzing its oxygen net primary productivity. How are scientists able to measure how much oxygen is used during a plant’s cellular respiration processes?(1 point)
by observing cellular respiration under bright light conditions
by observing cellular respiration only when photosynthesis occurs
by observing cellular respiration by studying biomagnification
by observing cellular respiration under the absence of light
Question: "Scientists are looking to determine the primary productivity of a lake by analyzing its oxygen net primary productivity. How are scientists able to measure how much oxygen is used during a plant’s cellular respiration processes?"
Answer: "Out of all the options given, the best way for scientists to have the chance to measure the usage of oxygen during a plant's cellular respiration processes would be by 'observing cellular respiration under the absence of light'. So, I would say the best option would be Option D. "
To measure how much oxygen is used during a plant’s cellular respiration processes, scientists did by observing cellular respiration in the absence of light, hence option D is correct.
How to measure oxygen level?As a result, in the absence of photosynthesis, there would be no glucose or oxygen for respiration, and since photosynthesis requires carbon dioxide, only anaerobic respiration would be possible.
Examining a lake's oxygen net primary production, researchers hope to ascertain the lake's primary productivity. By monitoring the output of oxygen or the intake of carbon dioxide, primary productivity is typically calculated. The standard unit of measurement for production rates is grams of organic carbon per unit area per unit of time.
Therefore, observing cellular respiration in the absence of light.
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How might volcanic eruptions change the flow of energy on earth?
Answer:
It causes global warming due to emission of carbondioxide gas.
Explanation:
Volcanic eruptions change the flow of energy on earth by emitting gases such as carbondioxide and sulfur dioxide gases. Volcanic gases like sulfur dioxide is responsible for global cooling by reflecting solar radiation back to the space, while on the other hand, carbon dioxide emitted from volcanoes, has the ability to promote global warming by blocking solar radiation. If the amount of carbondioxide gas is higher as compared to sulfur dioxide gas so global warming occurs.
Question 2 of 10
Which of the following countries produces the most greenhouse gases?
A. Egypt
B. Greenland
C. France
D. United States
Answer:
The answer is D. United States
Explanation:
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Directions Part TWO: Create a short story about your life as a droplet of water. Water can exist in many locations at any point in time. Pick any location or step of the water cycle to begin your journey. Your starting point could be a cloud, ocean, river, deep ground water etc. Choose a starting location and then fully explain with detail how you will travel throughout the entire water cycle. Be sure to include any changes in your heat energy along the way. You must include the following terms Evaporation, Condensation, Precipitation, Run-off, Collection, Deep groundwater, Increased heat energy, Decreased Heat Energy, Gas, and Liquid) Goodluck!!!
Its a simple assignment but i dont know what to say pls help me
Answer:
It is very simple...
Explanation:
just answer it with your own thoughts of life....
Answer: Just look up water cycle images on the internet. You can also make it look like the water droplet is going through some hardships along the way.
1) In pea plants, purple flowers are dominant to white flowers. If two white flowered plants are crossed,
what percentage of the plants will be purple?
Explain your reasoning using a punnett square and a short written explanation.
Answer:
all white
If students are stuck on this one, advise them to make a "key" to help them sort it out.
PP = purple, Pp = purple, pp = white
Explanation: