Answer:
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Explanation:
Infectious diseases are contagious and can be spread from one person to another. Non-infectious diseases are not contagious and cannot be spread from one person to another.
Few examples of infectious diseases include influenza, SARS, and common cold.
Few examples of non-infectious diseases include cancer, diabetes, and many heart diseases.
1. Hen recommending solutions to decrease human impact, which location were you able to make the greatest positive impact? Please explain your selection by using data from the simulation.
Observe 5 different forms of life in your garden, orchard, living beings found with their characteristics and give an explanation of these forms.
Answer:
Explanation:
After going to my garden and observing carefully I have come to the conclusion that there are many forms of life.
The most common way of life is plants: which are mostly green, give us oxygen and some give us fruit or food.
Other forms of life that I observed were:
Birds: vertebrate animals that live on the fruits of trees, sing in the morning and have plumageThe worms: invertebrate animals that serve as compost for the earth. Ants, insects that work in an orderly way and that live in colonies under the ground.Flies, flying insects that help decompose animals.Damage to Schwann cells would result in Group of answer choices loss of the structural framework of the brain decreased speed of conduction ability to produce scar tissue at the site of an injury increased axoplasmic flow
Answer: decreased speed of conduction.
Explanation:
Schwann cells are type of cells of the peripheral nervous system that produce myelin sheath around neurosonal axons thereby increasing the saltatory function of neurons.
If Schwann cells are damaged it result in blockage of electric conduction which will produce secondary demeylination and resulting in shock or toxic immune shock.
Schwann cells produce myelin sheath will help to increase saltatory conduction but when it is damaged it will decrease conduction and result in shock.
step-by-step plan for dealing with a chemical splashed in your eyes.
Explanation:
go to the nearest eye wash station open ur eyes and let the water wash out the chemicals.
List the conditions necessary to provide food for a large population.
Answer:
The necessary condition are the following:
1) One should have enough money to buy the food.
2) One should have enough crops.
3) The distribution of food must be equal.
4) The economy should be high
5) The management should be proper.
6) There should be no discrimination of people in providing food.
Answer:
The conditions necessary to provide food for a large population:
⇒ The large population should be high in economy.
⇒ The large population should have people who can afford food without any difficulties.
⇒ The large population must have plentiful of crops and farmers willing to grow them.
⇒ The area should have enough food to feed the whole population.
⇒ The food can be distributed easily to everyone in the large population.
The red pigment in erythrocytes is __,which transports oxygen.
Answer:
The answer is Haemoglobin.
Explanation:
Haemoglobin is a red pigment in red blood cell is used to transport oxygen.
Which of these options represents the correct flow of events during meiosis II?
A.
Sister chromatids pulled to opposite poles, nucleoli form, cytokinesis
B.
Sister chromatids pulled to opposite poles, nuclear envelope disappears, cytokinesis
C.
Cytokinesis, sister chromatids pulled to opposite poles, nucleoli disappear
Answer:
B
Explanation:
that seems to be the best one
A bird is flying over a field. What will most likely happen if a toxin causes the
hydrogen ion pump to stop moving H+ ions outside the mitochondrial
membranes of the bird's cells?
A. The bird will fly a long distance because it will rely on energy from
glycolysis.
B. The bird will stop flying because it will quickly use up its remaining
energy.
C. The bird will fly only short distances because it will need to rest.
D. The bird will eat more food to build up its energy reserves in the
Krebs cycle.
SUBMIT
Answer:
B. The bird will stop flying because it will quickly use up its remaining
energy.
Explanation:
This is because the mitochondria is known as the power house of cells. Oxidative phosphorylation takes place in this organelle and it involves the conversion of ADP to ATP through the hydrogen ions(protons).
When the hydrogen ion channel is blocked, energy production in cells stop.
This is why the bird will stop flying as it would have used up its remaining energy and won’t have a new one to use to continue flying.
Answer:
B
Explanation:
A p E x
Arrange the following levels of organization starting from smallest and going to the largest.
A. Habitat
B. Biosphere
C. Climate zone
D. Ecosystem
Answer:
-Habitat
-Ecosystem
-Climate Zone
-Biosphere
Answer:
The person above me is wrong.
Correct Answer:
1. Biosphere
2. Biome
3.Ecosystem
4. Habitat
Explanation:
Dentre as alternativas a seguir,a única que é uma mistura é: ( )Um átomo de oxigenio ( )Àgua destilada ( )O ar atmosférico ( )O gás ozoio me ajudem por favor...
Answer:
Atmospheric air
Explanation:
Atmospheric air is a mixture of nitrogen, oxygen, argon, and small amounts of other gases.
A is wrong. A flask of oxygen atoms has nothing else in it. The O atoms are a pure substance.
B is wrong. A flask of distilled water contains only water. The water is a pure substance.
D is wrong. A flask of ozone contains only ozone. Ozone is a pure substance,
Consider this animal cell.
The organelles in an animal cell are labeled. Part F is a network of hollow tubes, flattened sheets, and round sacs.
What is the function of the organelles that are labeled F?
to temporarily store water, waste products, food, and other cellular material
to produce proteins for the cell
to move proteins and other substances through the cell
to contain digestive enzymes that break down waste material and debris in the cell
If im not wrong, its golgi body.
Golgy body giving enzyme to append protein to glycosaminoglycans,
it can store water,
produce protein and transport it or stored in the vesicles,
it also have haltened sacs.
Im sorry if im wrong
Answer: c, the rough and smooth ER
Explanation:
moves things through the cell
In the study of cancer, researchers have used different types of cells, different environmental conditions, and different experimental designs. But, all researchers have arrived at the same conclusion. What does this say about the conclusion? It is well supported. It is weakly supported. It is inconclusive. It is refuted.
Answer:
It is weakly supported.
Explanation:
All the factors in each experiment are different. There are not any controls to ensure the results are reliable. When all the factors vary, it cannot be determined whether the factor being tested was the cause of the result, or another factor was the cause. Although all the reasearchers reached the same conclusion, it cannot be proven whether it was caused by the specific factor being tested, or if it was merely a coincidence.
During multiple experiment, if the results are the same or indicate the same conclusion then the reliability of the conclusion increases. Thus option A is correct.
What is the conclusion?The conclusion is the sum of all the observations during our experiment that gives the outcome of our investigation.
During cancer research on the different types of cells, conditions, and different experimental designs end up with the same conclusion which makes it more reliable. So option A is correct.
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______ 3. Who is responsible for compiling a list of all endangered and threatened species in the U.S.? the U.S. Fish and Wildlife Service c. individual states the U.S. Congress d. forest rangers
Answer:
the U.S. Fish and Wildlife Service.
Explanation:
what is the function of cellulose in plants
Cellulose helps make a plant strong and stiff, so it doesn't bend and break. It is in a plants cell walls.
The cubes below are models of cells made of a jellylike material. One cube is
intact, and the other has been cut into eight smaller cubes
1 cm
1 cm
Which statement is true for these models?
O A. The smaller cubes have less total volume than the large cube.
B. There is more surface area with the one large cube than with the
eight smaller cubes,
C. There is more surface area with the eight smaller cubes than with
the one large cube.
D. The smaller cubes have more total volume than the large cube.
C. There is more surface area with the eight smaller cubes than with
the one large cube.
This applies to our body when we refer to cells , when there needs to be more surface for the same volume
Imagine that a newly discovered species of fish normally has three eyes (E), but the rare mutation (ee) causes "diopthalmic" fish with two eyes to be born. In addition, eye color in these fish is inherited similarly to humans, with black eyes (B) being dominant to blue (bb). Assuming these two genes are carried on separate chromosomes, what must the genotypes of two black-eyed, three-eyed parents be if they have a blue-eyed, diopthalmic son
Answer:
Heterozygous with BbEe and BbEe
Explanation:
The genotypes of the two parents must be heterozygous.
From the illustration, E codes for three eyes while ee causes diopthalmic. B causes black eye while bb codes for blue eye.
Black eye genotypes could be BB or Bb.
Three eye genotype could be EE or ee.
A black eyed, three-eyed couple produced blue-eyed (bb), diopthalmic son (ee). From the law of inheritance, the son inheritance the alleles for each trait from the two parents, one from each. Hence, it means that each of the parent posses recessive alleles in their genotypes, that is they are heterozygous for the two traits.
BbEe x BbEe
9 BBEE black-eyed, three-eyed
3 B_ee Black-eyed, diopthalmic
3 bbEe Blue-eyed, three-eyed
1 bbee blue-eyed, diopthalmic
Name The carbon-containing compounds produced by an engine that burns hydrocarbon fuel
Answer:
Hydrocarbon combustion
Explanation:
Carbon monoxide(CO) Carbon dioxide(CO2), but mostly carbon dioxide
which condition need to be in balance for cells to function
Answer:
homeostasis
Explanation:
In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits (homeostatic range).
Which statement best describes a cause and its effect that occurs during the process of muscle contraction?
Answer:
Muscle contraction can be explained by sliding filament theory.
1. Activation of muscles: the motor nerve generates an impulse to transfer signals from neurons to neuromuscular junction. This stimulates sarcoplasmic reticulum to release calcium into the muscle cells.
2.Contraction of muscles: calcium in the muscle cells binds with troponin causes actin and myosin to bind. Actin and myosin in the muscle binds and contract by utilizing ATP as a source of energy.
A sodium atom that has lost an electron comes near a chlorine atom that has gained an electron. What happens?
A. They form a peptide compound.
B. They form a covalent bond.
C. They form a hydrogen bond.
D. They form an ionic bond.
Answer:
The answer is D.
Explanation:
When metal react with non-metal, it will form an ionic bonding.
(Correct me if I am wrong)
A sodium atom that has lost an electron comes near a chlorine atom that has gained an electron. Then they form an ionic bond.
So, option D is correct one.
What is ionic bond?The bond formed by complete transfer of electron/electrons between atoms is called ionic bond. The ionic bond generally formed between metals and non-metals elements.
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Covalent modification:_____.
a. can involve the addition of phosphate groups.
b. can activate an enzyme.
c. produces modifications that can sometimes be reversed.
d. affects the activity of an enzyme by adding or removing a chemical group.
e. all of these are correct.
Answer: Option E.
All is correct.
Explanation:
A. can involve the addition of phosphate groups.
b. can activate an enzyme.
c. produces modifications that can sometimes be reversed.
d. affects the activity of an enzyme by adding or removing a chemical group.
Because Covalent modifications are enzymes catalyzed changes in the production of protein that involve the removal or addition chemical groups.
Covalent modifications can target a single or many Amino acids and it will alter their chemical properties.
Addition of phosphate group is a covalent modification because it control enzymes activity.
Covalent modification is reversible because it involves addition or removal of phosphoryl group to enzymes.
covalent attachment of another molecule can affect the activity of enzymes and many other proteins. In these occurence, the molecule that act as donor provides a functional moiety that modifies the properties of the enzyme.
A new species of aquatic chordate is discovered that resembles an ancient form. It has the following characteristics: external armor of bony plates, paired lateral fins, and a bony skeleton. In addition to these, it will probably have which of the following characteristics?
a) legs
b) metamorphosis
c) an amniotic egg
d) no jaws
Answer:
a) legs
Explanation:
Based on these characteristics it can also be said that this species would have legs. This is due to this new species having paired lateral fins. That is because paired lateral fins refer to the pectoral and ventral fins, which are corresponding to the fore and hind legs of the higher animals. Meaning that this new species would have had to have legs if they had paired lateral fins, and a bony skeleton would help corroborate this finding.
Answer:
no jaws
hope this helped :)
Is it organic or not organic
Gene expression patterns can be used to test hypotheses based on morphology. For example, the regulatory gene Bapx1 is expressed in the hinge of the developing lower jaw in fishes and reptiles. Where would you predict Bapx1 expression to occur in mammals?
A. in the developing cheekbone
B. in the developing lower jaw
C. in the mature lower jaw
D. in the developing ear bones
Answer:
The correct answer is option D. "in the developing ear bones".
Explanation:
The developing lower jaw of fishes and reptiles has a variety of bones that are joined together, forming the mandible that they use to eat their preys. Some bones in the developing lower jaw of fishes and reptiles are equivalent to the developing ear bones of mammals. Therefore we can predict that the Bapx1 expression in mammals will occur in the developing ear bones. About this evolutionary relationship, scientist Zhe-Xi Luo of the Carnegie Museum of Natural History in Pittsburgh states "Reptiles have [a] jaw full of ear bones from mammals and mammals have an ear full of jawbones of reptiles".
1. List any three reasons why you
would think that you are sick and
ought to see a doctor. If only one
of these symptoms were present,
Why or why not?
2. In which of the following case do
you think the long-term effects on
your health are likely to be most
unpleasant?
• if you get jaundice,
if you get lice,
. if you get acne.
Why?
would you still go to the doctor?
Hi guys I am begging now
Please answer
Answer:
1-if this symptom is persistent
if you start developing other symptoms
if OVC drugs do not work
iguess
2-if you get lice because these are not easily detectable except itchy scalp maybe so before you notice a lot of harm has been done
yes I would go to be checked how fad the damage is and if it can be treated
If the amount of daylight increases plant growth during the summer
Answer:
then, the amount of daylight decreases plant growth in the winter.
Explanation:
Well if plant growth is increased during summer due to the amount of daylight then it will be reduced or decreased during winter because of reduced daylight.
Levels of Organization of Living Things
Answer:
organelles, cells, tissues, organ and organ system,
what are the advantages of modern cutting crops
Answer:
the advantages of using modern technology
more yield of cropseasy farmingmore varieties of cropsfruits and vegetables are available all year round
Some people say that plants make their own food from the Sun through the process of photosynthesis. Based on
the law of conservation of energy, is this description accurate? Explain your response.
Answer:
No, it’s not accurate. The law of conservation of energy states that energy can’t be created or destroyed. Plants transform light energy from the Sun into chemical energy through the process of photosynthesis.
Explanation:
plato
Yes, based on the law of conservation of energy, the description is accurate because plants convert light energy into chemical energy.
What is photosynthesis?Photosynthesis is the process of making food. It occurs in plants and organisms with chlorophyll, like plants, algae, etc. These organisms convert light energy from the sun into chemical energy.
Here, the law of conservation of energy says that energy can not be created or destroyed, it can only be transferred, the same happens in photosynthesis. The light energy from the sun converts into chemical energy.
Thus, Yes, the description fits according to the law of conservation of energy since plants turn light energy into chemical energy.
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Which of the following is the most accurate definition of a gene?
Answer:
A gene is a segment of a DNA molecule that directs the development of some inherited traits.
Explanation: