saprotrophs or saprophyte
so for example bacteria
What would you most likely do if a tornado is heading your way?
A. Seek shelter near a window
B. Get into a car or a mobile home
C. Move to the lowest area in a building
D. Move to the outermost part of a building
The answer possibly is C. ¯\_(ツ)_/¯
Answer:
the answer is c.
Explanation:
how factors such as blood pressure blood volume blood viscosity resistance disease and exercice affect blood flow
Blood is essential for many organisms, such as humans and animals, for its important function of transporting substances (food, oxygen), vitamins, waste (carbon dioxide), hormones, etc. to all tissues and cells of the body.
1) Blood volume
If the blood volume increases ==> the blood flow increases.
2) Viscosity of blood
If we have an increase in blood viscosity ==> we have a decrease in blood flow
3) Peripheral Resistance
If there is an increase in peripheral resistance ==> the blood flow decreases
4) Diameter of blood vessels
If we have an increase in diameter of
blood vessels ==> decreased peripheral resistance ==> increased blood flow
5) Blood pressure
If the blood pressure increases ==> the blood flow increases.
6) In case of diseases
In the case of atherosclerosis or acute coronary syndrome ==> blood flow decreases.
7) Physical excercises:
During physical exercises ==> the heart rate increases ==> the blood flow increases.
The diagram below represent a change in guard cells that open and close pores in plant.) This change directly helps to A. increase heterotrophic nutrition) B. absorb minerals ) C. regulate water loss) D. reduce seed production
The guard cells that open and close pores in plant (C), regulate water loss. Therefore, (C), regulate water loss is correct.
Guard cells are specialized plant cells that play a crucial role in regulating the opening and closing of pores known as stomata.
Stomata are tiny openings typically found on the surfaces of leaves, stems, and other plant organs.
Their primary function is to control the exchange of gases, including the intake of carbon dioxide (CO2) for photosynthesis and the release of oxygen (O2) and water vapor.
In addition to gas exchange, stomata also regulate water loss, making guard cells essential for maintaining a plant's water balance.
Guard cells are unique in structure, as they are kidney-shaped with an opening in the center, forming a pore.
These cells contain chloroplasts, which enable them to photosynthesize and produce sugars, providing the energy needed for their functioning.
When guard cells take in water, they swell and become turgid, causing them to bow outward and, in turn, opening the stomatal pore.
The opening and closing of stomata by guard cells are primarily regulated by various environmental factors. These factors include light intensity, humidity, carbon dioxide concentration, and internal plant signals.
Light triggers photosynthesis and the production of sugars in guard cells, leading to an increase in turgor pressure and stomatal opening during the day.
Conversely, at night or under conditions of water stress, guard cells lose water and become flaccid, leading to stomatal closure and reduced water loss.
By regulating water loss through stomatal pores, guard cells help plants conserve water and adapt to changing environmental conditions.
This control mechanism is vital for plant survival, particularly in arid regions or during drought periods, as excessive water loss can lead to wilting and decreased overall plant health.
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What will most likely happen if the hydrogen pump protein in photosystem 1 is not taking in enough H+ ions into the thylakoid
There would be a decrease in formation of NADPH, that is used in the Calvin cycle.
Answer:
No energy(ATP, NADPH ) will be produced
Explanation:
After the energy absorption (gained from sun), an electron is released by chlorophyll which is taken up by the electron transport chain to pump hydrogen ion across the membrane. In this way H+ is pumped into the thylakoid, where ATP is produced by a process named as Chemiosmosis. After this process, the electron releases and converts NADP to NADPH (which is also an energy molecule).
Hence, the energy molecules will not be formed and all the biological processes will come to halt.
when swimming at the beach, you are most likely to encounter
a. estuaries.
b.tidal currents.
c.meteorological tides.
d.thermohaline currents.
B. Tidal Currents
I hope that helps.
_____currents are caused by temperature and density differences. A. Deep B. Longshore C. Tsunami D. Surface
Your answer to your Question is ...A: deep
These currents move water masses through the deep ocean—taking nutrients, oxygen, and heat with them. Occasional events also trigger serious currents.
Final answer:
Deep currents in the ocean are caused by temperature and density differences, forming a part of the thermohaline circulation that affects the vast majority of oceanic water.
Explanation:
Deep currents are caused by temperature and density differences in the ocean. These currents, which flow far below the surface, are part of what is known as thermohaline circulation. This process occurs because cold, salty, and hence denser, water sinks and displaces the warmer, less dense water, creating movement in the deep parts of the ocean basins. Unlike surface currents that are mostly driven by winds and only affect about 10% of ocean's volume, deep currents are involved in the movement of the other 90% of the ocean's water. This movement is slow but constitutes a considerable volume, playing a critical role in global water circulation and climate.
The outer core of the earth is primarily made of A solid metal. B molten metal. C primarily water. D unknown materials
The correct answer is B Molten Metal
Hope i helped <3
True or false? Pollen cells are transported by wind animals gravity and water currents
The integumentary system is an organ system consisting of the skin, hair, nails, exocrine glands, and sensory nerves. What helps to protect the body from UV radiation by preventing sunlight from reaching the skin, and also insulates the body by trapping warm air around the skin?
Answer Is:
--------------
Hair helps to shelter the body from UV radiation by averting sunlight from the skin so it won't hurt, damage, and/or strike the skin. Hair also insulates the body by keeping warm air around the skin.
Answer:
Hair helps to shelter the body from UV radiation
Explanation:
what term most accurately describes the shapes of a dna molecule
The term that most accurately describes the shape of a DNA molecule is "double helix".
What is DNA?The phrase "double helix" is the one that most accurately describes the shape that a DNA molecule has. In 1953, James Watson and Francis Crick were the ones who first proposed that DNA has the structure of a double helix. Their theory was founded on X-ray crystallography data that Rosalind Franklin and Maurice Wilkins had obtained.
DNA has a structure known as the double helix, which is made up of two long chains of nucleotides that are twisted around each other to form a structure similar to a spiral staircase. Hydrogen bonds formed between complementary base pairs, adenine (A) and thymine (T), and cytosine (C) and guanine, are responsible for keeping the two chains connected to one another (G). The characteristics of an organism are determined by the genetic code, which is formed by the specific arrangement of these base pairs along the length of the DNA molecule.
The structure of DNA, which is a double helix, is significant because it enables the accurate duplication of genetic information during the process of cell division and provides a mechanism for the transmission of characteristics from one generation to the next.
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The DNA molecule is most accurately described as having a double helix shape, akin to a spiral staircase, with complementary base pairs forming the steps. B-DNA is the prevalent form in biological systems.
The term that most accurately describes the shape of a DNA molecule is a double helix. This structure is similar to a spiral staircase, with the sugar and phosphate groups forming the sides or the 'backbone' of the staircase, and the nitrogenous bases (adenine, guanine, cytosine, and thymine) forming the steps. These bases pair with each other in a complementary fashion: adenine with thymine (A-T), and guanine with cytosine (G-C), enabling the double helix structure to form naturally.
B-DNA is the most common form of DNA observed in cells, characterized by a right-handed helix and 10.5 base pairs per turn. While many other forms of DNA, including A-DNA, Z-DNA, and synthetic forms exist, B-DNA is considered the most stable and predominant form in biological systems. The double helix shape is a powerful and robust structure ensuring the integrity and accurate replication of the genetic code.
Which product is made from a renewable resource?
A. A stir-fry made with vegetables
B. Pennies made from copper
C. A class ring made from gold
D. Computer chips made from silicon
A for apex
Answer: A. A stir-fry made with vegetables
Explanation:
A renewable resource is the one which can be replenished or reproduce and it takes a short time for nature to recover the loss after the resource is once consumed.
A stir-fry made with vegetables is the correct option because of the fact that vegetables are the renewable resources. The vegetables are grown by the plants, although the vegetables get consumed in making up of the fry but the plants will remain alive from which new vegetables can be grown. Also the seeds of the vegetables can be used to grow new plants and to produce new vegetables.
A stir-fry made with vegetables is the product made from a renewable resource among the options given. Hence the correct option is A.
A: Renewable resources are those that can be replenished naturally and sustainably over time. In the case of a stir-fry made with vegetables, the vegetables used in the dish, such as carrots, broccoli, bell peppers, and others, are derived from renewable resources because they come from plants. As long as the farming or cultivation practices are sustainable, the plants can be grown, harvested, and replaced continuously, making the resource renewable.
B. Pennies made from copper: Copper is a finite resource that is mined from the Earth's crust, and its supply is not infinite. While recycling of copper is possible, the initial source of copper is not renewable.
C. A class ring made from gold: Gold is also a finite resource that is extracted from the Earth's crust through mining. Like copper, while gold can be recycled, the primary source of gold is not renewable.
D. Computer chips made from silicon: Silicon is a key material used in computer chips and is derived from sand, a plentiful resource on Earth. However, while sand is abundant, the process of refining and producing silicon wafers for computer chips requires significant energy and resources. Additionally, the manufacturing of computer chips involves other materials and processes that may not be renewable. Therefore, computer chips made from silicon are not considered products from renewable resources.
Hence the correct option is A.
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I need help on this
question!
C)it has the same charge throughout
Which is not a source of carbon dioxide gas? Plants, factories, machines, humans
Answer:
The correct answer is option A, Plants
Explanation:
Plants are the only species that take up the carbon dioxide and produces oxygen through the process of photosynthesis. They do not release CO2 directly into the environment. While human take up oxygen and produces carbon dioxide which is exhaled out through respiration. The factories and machine uses fossil fuels rich in carbohydrate which on burning produces carbon dioxide as an exhaustive gas.
Lions, giraffes, elephants and other animals gain their energy
A. from the food that they eat. B. by producing it as they move. C. from resting and sleeping. D. by absorbing the light from the Sun.
the answer is "A" the get energy from eating their food.
Hope this helps
Answer:
A. From the food that they eat
water can absorb a large amount of energy while producing only small changes in temperature because water had a what
Water can absorb a large amount of energy while producing only small changes in temperature because water has a high specific heat.
Which one of the following molecules is a byproduct of cellular respiration? A. Water B. Pyruvate C. Glucose D. Oxygen
Looking at the equation for cellular respiration:
glucose + oxygen → carbon dioxide + water + energy
Since cells use glucose and oxygen to make carbon dioxide, water, and energy, carbon dioxide and oxygen are the reactants, while carbon dioxide, water and energy are the products.
The purpose of cells undergoing cellular respiration is to make energy for the cells, so, energy is the main product of this reaction, while, carbon dioxide and water are the waste products, also known as byproducts.
Therefore, the answer is A, water.
Selective breeding is the process of breeding plants or animals so that they inherit particular traits from their parents. Which of these is not possible with selectively breeding a crop species?
A. the crop becomes more tolerant to droughts
B. the quality and yield of the crop improves
C. the crop becomes resistant to bacteria and fungi
D. the offspring will have different traits from the parents
Selective breeding is also known as "artificial selection", which essentially means "made by humans", thereby, what is possible is up to human imagination, endeavor and how much research and disposition is assembled in order to achieve a particular breeding goal.
So, nowadays that the study of the genomes is advanced, its a matter of how much time, energy and resources are combined to lay out an assignment that sorts an specific set of instructions needed to create a particularly desired organism (or trait, in this case). Accordingly, any of those traits mentioned above could be achievable by modern selective breeding.
Answer: D. the offspring will have different traits from the parents
Selective breeding or artificial breeding is a process that involves the breeding between two selected parents (plants or animals) exhibiting desired features useful for human population. The offspring produce obtains the useful traits of both parents. The relevant outcomes of selective breeding may include drought tolerant, improved quality and bacteria and fungi resistant crops.
On the basis of the above description, D. the offspring will have different traits from the parent is not possible with the selective breeding a crop species. As, the offspring exhibit traits of both of the parents.