Answers
Answer:
The answer is A
Explanation:
Related Questions
Can you identify the steps in the scientific method that correspond to Hunt's experiments?
Drag each statement under the step in the scientific method that it demonstrates.
The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities.
The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities.
The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A.
The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A.
Could bisphenol A from the plastic be affecting the mice in the damaged cages?
Could bisphenol A from the plastic be affecting the mice in the damaged cages?
If mice are exposed to elevated levels of bisphenol A, the frequency of genetic abnormalities in these mice will increase
Answers
Answer:
- The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities: Observation
- The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A: Hypothesis
- Could bisphenol A from the plastic be affecting the mice in the damaged cages?: Question
- If mice are exposed to elevated levels of bisphenol A, the frequency of genetic abnormalities in these mice will increase: Prediction.
Explanation:
The scientific method is an empirical methodology used by scientific disciplines to acquire knowledge. This method provides a standardized and objective approach to make investigations (and thus obtain knowledge). The scientific method consists of 1-to make a question in order to explore a phenomenon of the natural world; 2- to raise a hypothesis, i.e., a plausible explanation of the question and deriving predictions if the hypothesis is true, 3-to make experiments and/or observations and, finally, 4-to arrive conclusions, which are the answers derived from the experimental procedures.
Fragmentation occurs when a large area of ecosystem is divided into smaller, isolated areas due to deforestation. After fragmentation, changes to the ecosystem can occur. Which is most likely an effect of fragmentation on an ecosystem?
a. Animal species in the fragmented area utilize new food sources in the deforested area.
b. Plant species from the deforested area alter conditions at the edge of the fragmented area.
c. The nutrient cycle is replenished by new species colonizing the deforested area.
d. Most native species disappear from both deforested and fragmented areas.
Answers
Answer:B
Explanation:
Arrange the molecules in the correct order to complete the photosynthesis reaction.
glucose + oxygen --> carbon dioxide + water
O glucose + water --> carbon dioxide + oxygen
O carbon dioxide + water --> glucose + oxygen
oxygen + carbon dioxode --> water + glucose
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Answers
Answer:
carbon dioxide + water gives rise to glucose +oxygen
Explanation:
thisthis is because carbon dioxide and water are the raw materials needed for the photosynthesis which gives rise to glucose that is starch and sugar particles and oxygen which is released as a product
Answer:
oxygen dioxide + water --) glucose +oxygen
what do you think about the human and his structure how it's made all the human structure
Answers
Answer:
its a thousand of generation evolution i think as of darwins law of evolution
Answer:
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Can someone pls help me with this (8th grade science)
Answers
Answer:
A
Explanation:
As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.
Which element is not found on most main sequence stars?
Answers
Answer:
Nitrogen is the right answer.
Pls state lamarck's theory
Answers
Answer:
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring
Some scientists predict that if global warming continues over the next few centuries, melting of the polar caps will raise the level of the oceans, causing some peninsulas to become islands. How might this change eventually affect the species that live on these peninsulas
Answers
Look at the diagram. What is the name of muscle 1?
Enter your answer
2
4
Answers
The arm's principal muscle groups are in charge of the upper limb's different movements. These muscles consist of:
What is the location of two-headed biceps brachii muscle ?The two-headed biceps brachii muscle is situated near the front of the upper arm. It is in charge of flexing the elbow joint and supinating (moving the palm upward) the forearm.
Triceps brachii: The three-headed triceps brachii muscle is situated near the rear of the upper arm. The elbow joint's extension is controlled by it.
The brachialis is a muscle in the front of the upper arm, next to the biceps brachii. The elbow joint can flex thanks to it.
Pronator teres: The pronator teres is a forearm muscle that aids in pronating the forearm, or turning the palm downward.
Supinator: The supinator is a forearm muscle that aids in supinating the forearm (turning the palm upward).
Anconeus: The anconeus is a tiny muscle that helps the triceps brachii expand the elbow joint. It is situated at the back of the elbow joint.
Together, these muscles enable a variety of arm movements, including as elbow flexion and extension, forearm pronation and supination, and shoulder joint movement.
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Running for a long period of time, such as during a marathon, can result in muscle fatigue. Which process is important to a runner at the end of a marathon?
A. lactic acid fermentation to produce ATP without oxygen
B. Alchoholic fermentation to release carbon dioxide
C. The Krebs cycle to produce NADH and FADH2
D. The electron transport chain to produce ATP
Answers
The process that is important to a runner at the end of a marathon is lactic acid fermentation to produce ATP without oxygen (Option A).
Cellular respiration refers to the reactions by which aerobic cells normally produce energy in the form of ATP by using energy stored in the chemical bonds of foods and oxygen.Muscle cells can produce ATP by both cellular respiration (aerobic conditions) and acid lactic fermentation (anaerobic conditions).Acid lactic fermentation is energetically much less efficient than cellular respiration, but ATP production in cellular respiration is much slower than in fermentation, thereby muscle cells use this pathway (fermentation) when they cannot get oxygen fast enough to meet their energy requirement.In conclusion, the process that is important to a runner at the end of a marathon is lactic acid fermentation to produce ATP without oxygen (Option A).
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What effect does increased carbon dioxide
have on global temperatures? (two complete
sentences minimum)
Answers
Answer:
Carbon dioxide increases temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants. With a longer, warmer growing season, plants need more water to survive.
Explanation:
Which system helps regulate body
temperature and water loss?
A. Outegumentary
B. Integumentary
C. Excretory
Answers
Answer:
b
Explanation:
Integumentary system helps regulate body temperature and water loss. Thus option B is correct.
What is the integumentary system?In our body integumentary system is present in the outer layer. It’s made up of your skin, nails, hair, and the glands and nerves on your skin. It acts as a physical barrier — protecting your body from bacteria, infection, injury and sunlight. It also helps regulate your body temperature and allows you to feel skin sensations.( like hot and cold.)
Integumentary system present in skin:-
Dermis, epidermis, Hypodermis
Integumentary system present in nails:-
Nail plate, Nail bed, Cuticle, Matrix, Lunula
Integumentary system present in hair:-
Hair shaft, Hair bulb
Functions of integumentary system:-
Provides physical protection against bacteria and germs.Protects you from the sun’s ultraviolet (UV) rays and sunburn.Helps you feel heat, cold and detect other sensations.Synthesizes vitamin D.
Hence, integumentary system is more important in body for the regulate temperature and water loss. Thus option B is correct.
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how will you describe the process that is shown in the diagram
Answers
Answer:
what diagram are u talking about
which statement best describes cellular resperstion?
Answers
Answer:
C
Explanation:
Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.
How does biology differ from other scientific fields like astronomy or geology?
Answers
Explanation:
Biology is the study of human, animal, and plant life. Astronomy is the study of space. Geology is the study of rocks.
Answer:
Biology is th study of living things while astronomy and geology don’t study living things.
Photosynthesis converts solar energy into what type of energy?
A. Electron energy
B. Water energy
C. Photon energy
D. Chemical energy
Answers
Answer:
chemical energy
Explanation:
Photosynthesis is considered to be an essential biological process by which photosynthetic organisms convert solar energy into ATP and NADPH required for carbon dioxide fixation [56].
These types of trees have their leaves modified into needles to help
reduce water loss?
Answers
Answer:
Coniferous trees
Explanation:
They are mainly found in cold regions
1. Explain the change in erythrocyte count in the case of anemia
2. Where are red blood cells produced?
3. What type of cells help blood to clot?
4. What makes the human circulatory system efficiently carry oxygen to the tissues?
5. Describe the role of blood plasma.
6. Explain the role of lymph in our body
Answers
2. RBC’s (red blood cells) are produced in the bone marrow
3. Platelets help with clotting as well as clotting proteins produced in the liver
4. The human circulatory system is designed specifically to transport oxygen as well as nutrients to all parts of the body through blood vessels. Humans in the womb have blood vessels and a beating heart developed by the 1-2 months in the womb, and the heart immediately begins work. The human circulatory system is efficient because we were created with a system to be as efficient as possible. The circulatory system is basically a highway made of tunnels that allows RBC’s and WBC’s to pass through to every part of the body including major organs. Unfortunately unhealthy eating habits and poor exercise cause this circulatory system to become less and less effective till the point of heart attack, stroke, or major cardiovascular disease.
5. Blood plasma is very important in the transfer of nutrients as well as hormones to the major organs of the body.
6. Lymph is a clear watery substance that carries proteins and other substances throughout the body in order to maintain fluid balance. Lymph is part of the lymphatic system which is a tiny constituent of the immune system.
How are two organisms who descend from the same common ancestor related?
a.)geographically
b) slightly
c) distantly
d) closely
Answers
Answer:
d i think, Hope this helped.
Explanation:
Answer:D
Explanation:
No need to explain, just give me the answer cuz I have to submit my HW in 10 minutes:(
Which molecule drops off its electrons first in the ETC?
1) NADH
2) FADH2
Answers
Answer:
I think the answer is NADH
4.
______ describes the average conditions of our atmosphere over a long period
of time.
Answers
Answer:
The answer is Climate.
Explanation: weather is what conditions of the atmosphere are over a short period of time, and CLIMATE is how the atmosphere “behaves” over relatively long periods of time.
Which fact is true about the inner core layer of the earth? A) The inner core is Earth's thinnest layer. B) The inner core provides the magma for volcanoes. C) The inner core is hotter than the surface of the sun. Eliminate D) The inner core contains the least amount of pressure.
Answers
Answer:
I believe it is C or B.
I am not completely sure but I hope this helps you!
The inner core is hotter than the surface of the sun. So, the correct option is (C).
What are the Layers of the Earth?
The Earth is made up of three different layers:
1.The Crust
2.The Mantle
3. The Core
1. The Crust
It is the outer layer of the earth which is mainly composed of solid rock of basalt and granite. There are two types of crust which are oceanic and continental.
2. The Mantle
The mantle lies beneath the crust and is up to 2900 km thick and consists of hot, dense, solid rock containing iron and magnesium. The crust and the upper part of the mantle divide the lithosphere into both major and minor plates.
3. The Core
The core is the center of the Earth made up of two parts: the liquid outer core and the solid inner core. The outer core is made of nickel, iron and molten rock.
Thus, the inner core is hotter than the surface of the sun. So, the correct option is (C).
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Which of the following shows a correct base pairing in DNA?
A and G
T and G
C and A
Gand C
Answers
Answer: G and C
Explanation: DNA carries the hereditary information for organisms. W ithout DNA, our species would be unable to pass traits from generation to generation. DNA controls all aspects of an organism. It tells spiders how to spin webs, birds to lay eggs, and what color to make your eyes. The genetic information in DNA is stored as special chemical sequences, called chemical bases. The chemicals bases are adenine (A), guanine (G), cytosine (C), and thymine (T). Each base connects with another to form base pairs. Adenine always pairs up with thymine. Cytosine always pairs up with guanine
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Answers
Structure and Properties of Matter:Question 9
In which two states of matter can a substance take the shape of its
container?
Select one:
O
Liquid and gas
O
Gas and crystal
O
Sod and gas
O
Solid and liquid
Answers
Answer:
Liquid and gas
Explanation:
Liquid and gases can take the shape of their contains.
Liquids have not fixed shape and they readily flow.
Gases are random and they occupy the contains they fill .
Volume is the amount of space occupied by a substance. Gases can take up any amount of space in a container. Liquids can readily flow and take up spaces too. Solids are fixed and have a definite volume.how do skin cells replace itself after an injury?
a) skin cells go through the process of budding to make new identical cells.
b) skin cells go through the procces of mitosis to make new identical cells.
c) skin cells go through the process og photosynthesis to make new identical cells.
d) skin cells go through the process of cellular respiration to make new identical cells.
Answers
Answer:
d
Explanation:
as a result of accumulation of waste products in the body , these substances are removed from the body via the skin hence they undergo cellular respiration
Answer:
b) skin cells go through the process of mitosis to make new identical cells.
Explanation:
The skin is the largest organ in the human body; it forms a protective barrier that keeps out external pathogens, and is integral to waste removal. When the organ is injured, damaged cells initiate an immune response, while healthy cells nearby begin to replicate.
This type of cell replication involves somatic cells and results in the diploid number of chromosomes called mitosis. Skin cells are somatic- they contain all 24 pairs of human chromosomes. During replication, the chromosomes are unwound, and copied- then, the newly copied chromosomes separate into two identical daughter cells with the same chromosome number.
There are 150 Saguaro cactus plants per square kilometer in a 10-square-kilometer area of Arizona desert. To which population characteristic does this information refer
Answers
Answer: Population Density.
Explanation:
Population density, this is known as the number of people per unit of area, it is usually denoted with per square kilometre or square mile, population density can be calculated for a county, city, or plants as in this question.
Which tells us the population density of saguaro cactus plant to be 150 per square kilometres.
When we breathe, we inhale oxygen and release carbon dioxide. What cell process does our body use the oxygen for?
A. Photosynthesis
B. Cellular respiration
C. Osmosis
Answers
Answer:
Cellular respiration
Explanation:
This is because if you see Photosynthesis is used for plants to get a food source from the Sun. Osmosis is the movement of chemicals from a less converted membrane to a more. I think i said that wrong but. I am sure it is cellular respiration which is the despirsion of waste products. So yeah Answer is Cellular respiration
What is the source of oxygen as a reactant in cellular respiration?
Answers
Answer:
The Reactants
What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.
Explanation:
Hope this helped, Thanks :)
Cellular respiration has been the chemical process that uses glucose to produce energy. Oxygen is the reactant of the process that comes from the air (breathing) produced by photosynthesis.
What is cellular respiration?Cellular respiration has been defined as the process vital for living organisms that use oxygen and sugar molecules to produce energy to drive the activities and functions of the body. The reactant of the process includes glucose and oxygen gas.
Oxygen and sugar are known to be the product of the photosynthetic reaction that uses carbon dioxide and water. The oxygen gas is present in the atmosphere and enters the body through breathing.
Therefore, oxygen acts as a reactant in cellular respiration that comes from the breathing process.
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what is the most common type of petrified remain fossils
Answers
Answer:
After an organism is buried, minerals carried by water such as silica, calcite or pyrite replace the organic material in the fossil. Some common examples are most dinosaur bones, petrified wood, and many trilobite fossils.
Answer:
The answer is wood
Explanation: