Answer:
Once osteoblasts have surrounded themselves with the extracellular matrix of bone tissue, they remain inside little chambers called lacunae, where they carry on the metabolic functions that maintain bone tissue. At this point, they are called osteocytes.
why do trees sometimes get white spots on it
Answer:If you see a suspicious abundance of white spots on your twigs, branches, or leaves, you may have an infestation of scale insects, which are parasites of plants and feed on internal plant fluids. The white spots that you see are in fact thousands of tiny white bugs.
Explanation:
Why does road salt cause changes to nearby plants?
Answer:
increasing water stress
Explanation:
The foliage on roadside vegetation is damaged when salted water sprays up from the pavement by passing vehicles. Salt-laden water can also percolate down through the soil profile, coming into contact with soil particles, soil microbes, and plant roots. Salt injures vegetation by: Increasing water stress
Which one of the following statements is correct regarding rods and cones in the human eye? . *
a. Cones are sensitive to dim light.
b. Cones are sensitive to bright light.
c. Rods are sensitive to bright light.
d. Rods can sense colour.
Answer:
Rods are sensative to bright light
Explanation:
Rodes are important for being able to see darkness, while Cones are importnat for seeing colors.
Which of the following is true about enzymes?
- Enzymes are not changed in a chemical reaction
-Enzymes lower the activation energy of a chemical reaction
- Enzymes are specific for only one substrate/molecule
-Enzymes are reusable
-All of the above
Answer:
all of the above
Explanation:
How many planets are in our solar system? Question 4 options: 3 7 8 10
A trait is :
A: a characteristic
B:a change
C:a removal
How does the roundup ready corn modification "help" humans?
Explanation:
Most Roundup Ready crops are considered safe for consumption. One Roundup Ready crop, though, alfalfa, has been removed from the market.
Give one example of how we could study
how organisms interact with other
organisms:
Answer:
Some organisms can make their own food, and other organisms have to get their food by eating other organisms. An organism that must obtain their nutrients by eating other organisms is called a consumer, or a heterotroph.
Explanation:
the ability to move from one location to another is
without making any other adjustments the _____ can be increased by focusing properly.
Resolution is the ability that a microscope has to distinguish fine details. Without making any other adjustments the RESOLUTION can be increased by focusing properly in a brightfield microscope.
A brightfield microscope (also called compound light microscope) is a light microscope that produces dark images against a bright background.
The brightfield microscope is widely used in cellular biology and microbiological laboratories.
The resolution of the brightfield microscope is limited to 0.2 micrometers (µm).
This maximum value can be reached by changing the objective lens.
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jenn is studying a population of fish found in a pound
Answer:
yes
Explanation:
how do you get fish to put in the pound and what is she studying them for?
What do people with Glycogen Disorder Disorder need to do in order to maintain a normal blood glucose?
the muscles and organs need a certain level of glucose in the blood to work properly. When the body is missing an enzyme or has a flawed enzyme and is not able to use glycogen the right way, it leads to a condition called glycogen storage disease (GSD). Many different enzymes are used by the body to process glycogen.
Identify the type of cell shown
PLEASEEEE !!! I know it is probably easy
Answer:
where is the cell?
Explanation:
The tails of the cell membrane are ____________ while the phosphate heads are ___________.
Hydrophilic, Hydrophobic
Hydrophobic, Hydrophilic
Flexible, Hydrophobic
Water Loving, Flexible
Explanation:
The tails of the cell membrane are __hydrophobic__ while the phosphate heads are __hydrophilic__.
I hope the following image helps to further explain the answer.
The tails of the cell membrane are hydrophobic while the phosphate heads are hydrophilic. The correct option is B.
What is the structure of cell membrane?The phospholipid bilayer, which forms a stable barrier between two aqueous compartments, is the membrane's fundamental structure. These compartments are the inside and outside of the cell in the case of the plasma membrane.
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment.
The membrane of the cell is composed of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
The heads (phosphate) are polar, whereas the tails (lipid) are non-polar. The heads, which form the outer as well as inner linings, seem to be "hydrophilic" (love water), whereas the tails, which face the cell membrane's interior, are "hydrophobic" (water fearing).
Thus, the correct option is B.
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production of red blood cells is regulated by a hormone secreted from cells in the
Answer:....cells in the hormone erythropoietin (EPO) I think I’m not rly good with this I’m just helping
Explanation:
Answer:
Red blood cell (RBC) production (erythropoiesis) takes place in the bone marrow under the control of the hormone erythropoietin (EPO). Juxtaglomerular cells in the kidney produce erythropoietin in response to decreased oxygen delivery (as in anemia and hypoxia) or increased levels of androgens.
Bacteria in the digestive systems of animals that help to break down the animals’ food and in return receive a sheltered habitat and food are examples of commensalism.
True
False
Answer:
True Bacteria in the digestive systems of animals that help to break down the animals’ food and in return receive a sheltered habitat and food are examples of commensalism.
Explanation:
Why does the brain of mammals keep track of the temperature of the skin and the blood?
Answer:
The thermoregulatory center in this gland regulates heat loss and production. This center is influenced by nerve impulses from receptors near the skin and the temperature of the blood flowing through it. When the environment is warm or hot, there are a variety of ways mammals stay cool..
Explanation:
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The brain of mammals keeps track of the temperature of the skin and the blood so that they can regulate the cells and maintain homeostasis in the body relative to the outer environment.
What is the importance of homeostasis in the body?The body's homeostasis should always be maintained in order to keep the cells and organs active and able to perform their functions. Because the brain has different control centers, it keeps track of the skin and blood temperature because the brain can release different hormones depending on the situation. The lipid composition and arrangements of the cells change in the summer and the winter, and all these are possible due to the brain sending signals to cells.
Hence, the brain of mammals keeps track of the temperature of the skin and the blood so that it can regulate the cells and maintain homeostasis in the body relative to the outer environment.
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The image below shows one muscle cell. Please choose the name of the structure that is labeled A.
1. Myosin
2. Actin
3. myoglobin
4. troponin
The name of the structure labeled as A is 'myosin'. Moreover, the name of the structure labeled as B is 'actin'.
A sarcomere is the basic unit of muscle contraction. This unit is defined as the region between two Z-lines.
Band A is a central band composed of the thick filaments of myosin.
Moreover, the sarcomere also has two halves of a band known as I-band, which consists of thin filaments of actin.
Muscle contraction is caused by the interaction between actin and myosin protein filaments in the sarcomeres.
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do predators control the prey or do the prey control the predators
the predators are wolves the prey are deer
Answer:
Explanation:the predators are predators and how they are predators is because they are predatrods
How does water affect Earth’s physical features?
Answer:
Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.
Explanation:
Describe what part of the virus affects a body system but not all the body systems
Answer:
Explanation:
no
Sort each description into correct category.
To keep studying and be successful.
Answer:
You need to study because...
Explanation:
If you don't study you will fail, and if you fail you will not get a job, and if you don't get a job you will not make money, and if you don't make money you can't buy food and water, and if you can buy food and water you will startve, and if you starve you will d ie. Therefore, Study in school.
A molecules is defined as what?
Answer:
Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Several methods of representing a molecule's structure.
Explanation:
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Which mineral has the biggest role on the growth of a plant…. Nitrogen or magnesium?
b) How do you know the students in the above study are acting as scientists? (1 point)
Answer:
Could you edit the question and add the study, please?
Explanation:
in yeast that has been genetically modified to be able to produce spider silk, the ________ is joined with the ________ .
A transgenic organism is an organism whose genome (DNA) has been altered by recombinant genetic engineering techniques. These techniques can be used to transfer exogenous genes within transgenic species.
In yeast that has been genetically modified to be able to produce spider silk, the spider silk CODING SEQUENCE is joined with the yeast REGULATORY SEQUENCE.In this case, transgenic yeast has the spider silk coding gene sequence (i.e., the exons) that encodes for the spider silk protein, whereas a regulatory gene sequence (e.g., a promoter gene sequence) from yeast have been preserved in order to regulate the expression of the target exogenous gene.The most important genetic engineering techniques used to create transgenic animals include DNA microinjection and retrovirus-mediated gene transfer.Learn more in:
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12.What is an invasive species?
A native species which are added to an area
A keystone species in an environment
A non-native species added to an area
Answer:
An invasive species is an introduced organism that becomes overpopulated and negatively alters its new environment. Although their spread can have beneficial aspects, invasive species adversely affect the invaded habitats and bioregions, causing ecological, environmental, and/or economic damage.
To be invasive, a species must adapt to the new area easily. It must reproduce quickly. It must harm property, the economy, or the native plants and animals of the region. Many invasive species are introduced into a new region accidentally
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. ... Any organism, from plants to fungi, may be a keystone species; they are not always the largest or most abundant species in an ecosystem
An invasive species is an organism that is not indigenous, or native, to a particular area. Invasive species can cause great economic and environmental harm to the new area.
Which traits in the investigation showed incomplete dominance?
Answer:
A child born with semi-curly/wavy hair
Explanation:
A child born with semi-curly/wavy hair is individuals exhibiting incomplete dominance because the crossing of parents alleles both straight and curly hairs to produce such offspring. Thus, incomplete dominance occurs to produce an intermediate trait between the two parent traits.
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if you move 50 meters in 10 seconds, what is you speed
Answer:
5 mps (meters per second)
Explanation:
Divide 50 by 10 to get 1 second.