If a blood vessel has valves, it probably is a
If r-organisms reproduce at such a high rate, why don’t they usually reach their carrying capacity? If an r-population is moved into an environment where it has no predators and it is left there for a very long period of time, what might eventually happen to the population’s reproduction strategy?
Briefly describe the DNA transcription process, which involves the transfer of the DNA genetic code onto an mRNA molecule. Include in this answer the role of enzymes.
A ____ is a heterogenous mixture in which the particles do not settle.
What is a species and why is it important?
Which of the following is most likely the result of an organism having lipids in its body?
A. A warm river is filled with fish and algae.
B. A human eats fruit to get a quick source of energy.
C. Water cannot be absorbed through the surface of a leaf.
D. A sheep sleeps for longer hours in the winter.
Water cannot be absorbed through the surface of a leaf.
Storing Energy. Regulating and Signaling. Insulating and Protecting. Aiding Digestion and Increasing Bioavailability.What is lipid?A lipid is chemically defined as a substance that is insoluble in water and soluble in alcohol, ether, and chloroform. Lipids are an important component of living cells.Together with carbohydrates and proteins, lipids are the main constituents of plant and animal cells. Cholesterol and triglycerides are lipids.To know more about alcohol here
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Answer: water can not be absorbed through the surface of a leaf
Explanation:
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A hollow space that was once occupied by a dead organism is a:
cast fossil
mold fossil
mummified fossil
petrified fossil
Answer:
A hollow space that was once occupied by a dead organism is a:
mold fossil
Explanation:
In this type of fossil there are not parts of the animal itself, but we can see an impression of its body, for example a dinosaur footprint. Mold may later be filled with other sediment or minerals precipitated from groundwater, making a cast of the fossil. A mold forms with animal remains, the hard parts of the organism get buried in sand or clay and next they decay and dissolve.
are organic acids that aid in the transportation and breakdown of cholesterol.
Bile acids are organic acids that aid in the transportation and breakdown of cholesterol.
Further Explanation:
Fat is one of the main source of energy required by the body and it provides more energy than carbohydrates and proteins. Fatty acids are organic acids which contains terminal carboxyl group with a chain of alkyl group consisting of minimum 4 and maximum 22 or more carbon atoms. Most of the fatty acids are found as esters of triglycerides, phospholipids and sphingolipids.
Saturated and unsaturated fats are two types of fats necessary for different functions in the body. Saturated fats are solid at room temperature and higher intake of saturated fat leads to increased low density lipoprotein (LDL) and overall cholesterol levels. Unsaturated fats like polyunsaturated and monounsaturated fatty acids are essential fats which cannot be produced by the body and it increases high density lipoprotein (HDL).
HDL removes excess LDL from the blood and if the level of the HDL is low, LDL get deposited in arteries to cause stroke or heart diseases.
Bile acids is known to facilitate digestion and absorption of lipids and in regulation of cholesterol homeostasis. The bile acids is production localized in the perivenous hepatocytes.
Learn more:
Learn more about carbohydrate https://brainly.com/question/6947177 Learn more about cell https://brainly.com/question/1420458 Learn more about blood https://brainly.com/question/1213217
Answer Details:
Grade: High school
Subject: Biology
Chapter: Digestion
Keywords:
Saturated fats, polyunsaturated fatty acids, monounsaturated fatty acids, high density lipoprotein, low density lipoprotein, triglycerides, phospholipids and sphingolipids.
What is an enzyme and how does it work?
The volume of a gas is ______.
equal to the volume of its container
not related to the volume of its container
dependent on the number of particles
dependent on the mass of the particles
Answer:
is is equal to the container volume .
Explanation:
thats where it is and oware is correct.
the temperature to which a mass of air must cool in order to be saturated is the____?
Correct answer would be Dew Point of Temperature
Dew point of temperature is defined as the temperature at which the air must cool in order to become saturated.
At normal conditions of temperature and pressure, the dew point of temperature will not be more than the air temperature because relative humidity cannot be 100 percent. It the temperature is lower than its dew point, then it is called as supersaturated.
Thus, the correct answer would be Dew point.
The temperature to which a mass of air must cool in order to be saturated is the dew point temperature.
The dew point is the temperature at which the air becomes saturated with water vapor, meaning it reaches 100% relative humidity.
As the air cools, its ability to hold moisture decreases, and once it reaches the dew point temperature, condensation occurs, leading to the formation of dew, fog, or clouds.
Understanding the dew point is crucial in weather forecasting as it helps meteorologists predict the likelihood of precipitation, fog formation, or the potential for thunderstorms.
Monitoring the dew point temperature provides valuable insights into atmospheric moisture content and weather conditions.
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sediments form from the process of ___________
fill in the blanks
Sediments form from the process of weathering and erosion, which involves the breaking down of rocks and minerals and the subsequent movement of these particles to a new location where they accumulate and harden to form sedimentary rocks.
Explanation:Sediments form from the process of weathering and erosion. This process primarily involves the breaking down of rocks and minerals on Earth's surface through physical factors like temperature changes, wind, water, and ice. Once these elements have broken down, erosion takes place which involves the movement of the broken pieces, often due to the action of wind, glaciers, or water bodies. These small fragments of rock are carried by natural forces and settle or deposit in a new location. Over time, these deposits accumulate and harden, often with the help of minerals, and form what are known as sedimentary rocks.
For example, sandstone is a common type of sedimentary rock that forms from sand, which itself is a sediment formed from the weathering and erosion of other rocks. Similarly, fossils can be found within certain sedimentary rocks representing the ancient remains of plants and animals that were trapped within the sediments that later hardened into rock.
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Loamy soil is ideal for gardening because it contains
Answer
mostly clay with very little silt or sand.
mostly silt with very little clay or sand.
roughly equal parts sand, clay, and silt.
mostly sand with very little clay or silt.
...?
Answer:
roughly equal parts sand, clay, and silt.
Explanation:
Loamy soil has an almost equal amount of silt, clay, and sand. Presence of an equal amount of soil particles of various size imparts enough pores to loamy soil to facilitate water drainage. Space between these soil particles help the plant roots to breath properly as ample of oxygen is present in spaces. Loamy soil does not allow the nutrients to run off as its clay component trap the nutrients.
hence, loamy soil has properties of sand, clay, and silt to support the plant growth which makes it ideal for gardening.
When a sucrose molecule is digested which monosaccharide are produced
The following life cycle stages do both complete and incomplete metamorphosis of insects have in common is adult. Thus, option B is correct.
What is larva?
Larva" is a stage in the life cycle of an insect among the following choices given in the question that a caterpillar represents. A Caterpillar represents the larva stage in the life cycle of an insect. The Caterpillar is most specifically Butterfly Larva. In this stage of the Butterfly life cycle, the Caterpillar spends most time eating, growing and shedding their exoskeleton.
Life cycle stages do both complete and incomplete metamorphosis of insects have in common is adult. A Caterpillar represents the larva stage in the life cycle of an insect. The Caterpillar is most specifically Butterfly Larva. Larva" is a stage in the life cycle of an insect among the following choices given in the question that a caterpillar represents.
Therefore, The following life cycle stages do both complete and incomplete metamorphosis of insects have in common is adult. Thus, option B is correct.
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. What organ is able to extract dissolved oxygen from water?
What compounds are polymers?
an organic compound consisting mostly of chains of carbon compounds.
what is the process where rocks gas and dust collided to form the planets in our solar system including earth
Accretion is the process where rocks, gas, and dust collided to form the planets in our solar system including earth.
Accretion is the process in which particles such as dusts, gases, and rocks are accumulated in an accretion disk under the influence of gravitation to form massive objects. This process bring about the formation of most astronomical objects, such as stars, planets, and galaxies.
Jamie is reviewing a new diet plan that involves purchasing pre-packaged meals and taking a patented energy supplement. In an ad explaining how it works, Jamie reads about a study cited as evidence supporting the effectiveness of the plan. In the study, two groups were followed: one following the plan and another following a simple low-carbohydrate diet. What should Jamie look for in the study to have full confidence in its scientific reliability?
Answer
A comparison of the plan to a variety of diets
A list of differences between the two diets in the study
Details o ...?
Answer: d. Details on the number of studies conducted and the results of each trial
Explanation:
With details and results from multiple differerent trials and studies, you are more likely to find a good source of reliabilty if you find similiar or the same answers from your research.
To have full confidence in the scientific reliability of the study, Jamie should look for a comparison of the plan to a variety of diets, a list of differences between the two diets, details on the study design, and evidence of peer review.
Explanation:In order for Jamie to have full confidence in the scientific reliability of the study, they should look for several key factors:
A comparison of the plan to a variety of diets, not just one simple low-carbohydrate diet. A list of differences between the two diets being studied Details on the study design, such as the sample size, duration of the study, and any statistical analyses conducted. Evidence of a peer review process, indicating that the study was evaluated by other experts in the field.
By considering these factors, Jamie can assess the reliability and validity of the study and make an informed decision about the diet plan.
What is the best example of water regulating an organism’s body temperature?
OPTION A: a jogger sweating after a run.
Water regulates body temperature in organisms through its high heat capacity, which aids in thermoregulation and maintaining homeostasis. The water in organisms' bodies transports heat and helps keep their internal temperature steady even in differing external temperatures.
The best example of water regulating an organism's body temperature is the process of thermoregulation, where water's high heat capacity plays a crucial role. Due to its ability to absorb and retain heat, water allows organisms to maintain a stable internal body temperature. Just as humans do not experience a drastic drop in body temperature while skiing or playing in the snow, warm-blooded animals utilize water to disperse heat evenly throughout their bodies, akin to a car's cooling system, facilitating the maintenance of an even temperature.
In cold climates, organisms like the polar bear possess insulating features such as fur, feathers, blubber, and fat to conserve heat, while in hotter environments, mechanisms such as perspiration in humans or panting in canines are employed to release excess body heat. Homeostasis, the maintenance of stable internal conditions, is critical for cellular function and organism survival, especially under varying environmental conditions.
What kind of organisms perform photosynthesis
Plants, algae, and some types of bacteria are the organisms that perform photosynthesis.
What kind of organisms perform photosynthesis?Photosynthesis is the process by which organisms convert light energy into chemical energy, typically using sunlight, carbon dioxide, and water.
Plants, including trees, flowers, and grass, are the primary photosynthetic organisms.
Algae, which are simple, plant-like organisms found in aquatic environments, also perform photosynthesis.
Additionally, certain bacteria, such as cyanobacteria, are capable of photosynthesis. These organisms contain chlorophyll or other pigments that enable them to capture light energy and convert it into chemical energy through the photosynthetic process.
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What condition may arise if the pituitary glands is not producing enough growth hormones?
Answer:
growth hormone deficiency and hypopituitarism
Explanation:
Pituitary gland is responsible for stimulating the release of all the essential hormones from our body. If pituitary hormones are not produced in sufficient amount then a complex problem known as growth hormone deficiency is caused. In absence of multiple pituitary hormones, hypopituitarism is caused.
Some of the complications caused because of this deficiency are –
a) Reduced size of body and organs
b) Lower energy level and density of bone material
c) High risk of cardiovascular problems
As primates evolved they developed what?
Which of the following could be a nucleotide of DNA? deoxyribose phosphate group thymine deoxyribose phosphate group uracil ribose phosphate group thymine ribose phosphate group uracil
A nucleotide of DNA consists of a deoxyribose sugar, a phosphate group, and thymine as the nitrogen base. Uracil is not part of DNA but rather of RNA, and ribose is the sugar of RNA, not DNA.
A nucleotide of DNA may contain a deoxyribose sugar, a phosphate group, and one of the four nitrogen bases, which include adenine, cytosine, guanine, and thymine. Uracil is found in RNA, not DNA. Therefore, the correct option that can be a nucleotide of DNA is deoxyribose, thymine, and a phosphate group. Option (a) ribose, uracil, and a phosphate group is not correct because DNA contains deoxyribose, not ribose, and it contains thymine instead of uracil. Option (d) ribose, thymine, and a phosphate group is also incorrect for DNA because the sugar in DNA is deoxyribose, not ribose.
In which part of the chloroplast does the light dependent reaction take place
Global warming is slowly melting the polar ice caps and glaciers, which are made up of freshwater. Marine organisms in which of the following zones of the ocean are going to be most affected by this process?
Organisms that live in the deep abyss of the ocean because the fresh water is more dense then the salt water and will sink to the bottom.
Organisms that live near the surface of the ocean because the freshwater is less dense then the salt water and will rise to the surface.
Organisms that live in the deep abyss of the ocean because the fresh water is less dense then the salt water and will rise to the surface.
Organisms that live near the surface of the ocean because the freshwater is more dense then the salt water and will sink to the bottom.
Answer:
d.
Because of this organisms at the surface will face different environment that might affect them.
why marine protozoa do not have contractile vacuole? ...?
Which describes step three of a muscle contraction?
The answer is Actin and myosin are completely overlapped.
Good luck :)
2x+y=−8x−y=−4{2x+y=−8x−y=−4
(−1, 3)(−1, 3)
(−4, 0)(−4, 0)
(−3, −2)(−3, −2)
(1, 5)
1. Which of the following is NOT part of John Dalton's atomic theory? (1 point)
A. All elements are composed of atoms.
B. All atoms of the same element have the same mass.
C. Atoms contain subatomic particles.
D. A compound contains atoms of more more than one element.
2. Who provided evidence for the existence of a nucleus in an atom? (1 point)
A. John Dalton
B. J. J Thomson
C. Democritus
D. Ernest Rutherford
the atoms, elements, and bonds practice answers are
1.C
2.D
3.D
4.D
5.D
6.B
7.B
8.D
hope this helps
From your knowledge about the distribution of electrons in their shells and from the atomic number (in parentheses), indicate the most likely charge on the ion when this atom forms an ion. (Remember the 2-8-18 shell distribution.)
Oxygen (8)
A) +1
B) +2
C) -2
D) -1
Answer: -2
Explanation:
Following the shell distribution oxygen has a 2.6. configuration and an electronic configuration of [tex][He]2{ s }^{ 2 }2{ p }^{ 4 }[/tex].This means that oxygen has 6 valence electrons that can be used in chemical reactions . In-order to obey the octet rule it has to gain 2 more electrons to have a 2.8 shell configuration.An electron gain is usually denoted by a negative sign whereas a loss is denoted by a positive sign.Hence the -2 charge on the ion it forms.