Answer:
Sex sales or sperm and egg cells
Explanation:
HEY BESTAY I NEED UR HELP WILL MARK U BRAINLIEST
Which part of the carbon cycle shown in the figure contributes the most to the greenhouse effect?
(20 Points)
The decay process returns carbon dioxide to the soil.
The remains of dead organisms gradually change into fossil fuels.
Photosynthetic organisms remove carbon dioxide from the atmosphere.
A Burning fossil fuels and wood releases carbon dioxide into the atmosphere.
which of the following is a function of the spleen?
Answer:
Clearance of microorganisms and particulate antigens from the blood stream.
Synthesis of immunoglobulin G (IgG), properdin (an essential component of the alternate pathway of complement activation), and tuftsin (an immunostimulatory tetrapeptide)
Removal of abnormal red blood cells (RBCs)
Explanation:
what is diffussion ?
Defines osmosis?
what is hypotonic solution?
Answer:
Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.
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Definitions from Oxford Languages
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osmosis
/ɒzˈməʊsɪs/
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noun
1.
BIOLOGY•CHEMISTRY
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
2.
the process of gradual or unconscious assimilation of ideas, knowledge, etc.
A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.
What the answer for this
Answer:
A. CPR is an important skill that few Americans have.
Explanation:
The paragraph is talking about how not a lot of Americans know how to perform CPR.
a diagram that models the process of photosynthesis is shown below complete the diagram by filling in the missing labels.
I have this so far
Answer:
reactants = carbon dioxide & water
energy source = light
waste product = oxygen
primary energy = glucose
Explanation:
The energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and primary energy is glucose.
What is photosynthesis?The sustainability of the significant number of life on Earth depends on photosynthesis. It is how almost all of the energy in the biosphere is made accessible to living beings.
All higher living forms on Earth consume photosynthetic organisms directly or indirectly since they are the primary producers that serve as the foundation of the planet's food webs.
Additionally, photosynthesis is responsible for producing virtually all of the oxygen in the atmosphere. The majority of creatures would vanish, there might soon be little food or other organic stuff on Earth, and the atmosphere would eventually be almost barren of gaseous oxygen if photosynthesis stopped.
Commonly used notation for photosynthesis is: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. This indicates that the reactants, six carbon dioxide molecules, and six water molecules, are transformed into a sugar molecule and six oxygen molecules, the products, by light energy being absorbed by chlorophyll (implied by the arrow).
The creature consumes the sugar, and as a byproduct, oxygen is produced.
Therefore, the energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and the primary energy is glucose.
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How are photosynthesis and cellular respiration similar?
A. They both produce ATP and power the cell's biochemical reactions
B. They have the same overall reaction but in reverse
C. They both store energy into glucose molecules
D. They both need radiant energy in order for the process to occur
pls help me with answers due today
it's hard to read, can you crop out the rest so it's just the worksheet
This sunbird has built a nest.
How does this behavior affect the survival of the sunbird population?
O A. It keeps offspring warm as they grow and develop
B. It communicates to the offspring how to reproduce.
O C. It teaches offspring how to build their own nests.
D. It helps attract a mate and produce offspring.
Answer:
your answer is d i think
Explanation:
Answer:
It's A
Explanation:
I got it right, this one is the most logical one since the purpose of a nest is to keep the offspring warm as they grow and develop.
Hope this helps!!
A certain species has little genetic variation the rapid extinction of this species would most likely result from the effects of
Answer:
Environmental change
Explanation:
A species that has little genetic variation cannot evolve (change) in response to variable environmental conditions because genetic variation is the raw material on which natural selection operates to select individuals. Adaptation to changing environmental conditions only can occur when there is variation (either genetic or phenotypic variation). In consequence, a species with low genetic variation is at a high risk of extinction, especially in challenging environments.
12. The best plate to cultivate enteric bacteria is?
A. EMB
B. Blood agar
C. Mannitol salt
D. Sabouraud agar plate
13. The Ingredient in Hektoen plate which makes the agar selective is?
A. Salt
B. Glucose
C. Mannitol
D. Bile acids
14. The enteric plates are only allowing the growth of ?
A. Gram negative bacteria
B. Gram positive bacteria
C. Anaerobes
Answer:
A.) EMB (Eiosin Methylene Blue)
B.) Hektoen Agar contains Bile salt which makes it selective medium.
C.) Gram Negative
16. Which combination of terms correctly matches an organ system with a tissue in that system?
a. Circulatory system - cardiac muscle
b. Digestive system - cartilage
C. Respiratory system - pancreas
d. Nervous system - marrow
Answer:
B
Explanation:
Answer:
A
Explanation:
The Circulatory System is a system that circulates blood around the body. Cardiac Muscle refers to your heart, which is a prominent part in the Circulatory System.
In the citric acid cycle when an aldol addition occurs in a biological system, how do the amino acids contained in the Citrate Synthase enzyme help facilitate the reaction
Answer:
Citrate Synthase facilitates the formation of citrate by deprotonating Acetyl CoA and by protonating the carbonyl oxygen of oxaloacetate
Explanation:
Citrate synthase is a key enzyme in the citric acid cycle that functions to catalyze the formation of citrate from oxaloacetate and acetyl-CoA: acetyl-CoA + oxaloacetate + H2O >> citrate + CoA-SH (Coenzyme A ). This enzyme contains three amino acids at its active site that work together to catalyze the conversion of acetyl-CoA and oxaloacetate into citrate. This active site acts by abstracting (deprotonating) a proton from the alpha carbon of Acetyl CoA which serves as the nucleophile. Subsequently, the active site of the enzyme also protonates the carbonyl oxygen of oxaloacetate, which then suffers nucleophilic attack and thereby facilitating nucleophilic substitution reaction.
Select the best answers from the drop-down menus. Brushing and flossing one’s teeth regularly prevents . It is possible to inherit this disease from one’s parents. Quitting smoking may prevent this disease or disorder of the stomach. A diet rich in fiber can be good for preventing .
Answer:
gingivitis
celiac disease
gastritis
diverticulitis
Explanation:
I need a definition of representation and diversity
Answer:
resperation is the the action of breathing.
diversity is a range of different things.
Explanation:
Which of the following are true of scientific hypotheses?
(Check all that apply.)
They can represent someone's opinion about why change occurs.
O They can be tested through observations of natural events.
O They must be rejected if no evidence is found to support them.
They must be agreed upon by all scientists before they are tested.
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Answer:
I think it's these two
O They can be tested through observations of natural events.
O They must be rejected if no evidence is found to support them
After a carnivore feeds on an organism, the rest of the dead body is __________.
Select one:
eaten by parasites
used by producers
invaded by viruses
consumed by decomposers
After a carnivore feeds on an organism, the rest of the dead body is: D. consumed by decomposers.
What is a carnivore?A carnivore is also referred to as a carnivorous animal and it can be defined as a type of animal whose food and energy requirements are primarily derived from animal products, especially by hunting and scavenging.
This ultimately implies that, a carnivore is an animal that only feeds on other animals such as deers, cows, zebras, rather than grasses or plants.
In conclusion, decomposers are a group of microorganism such as fungi and bacteria, that consumes the rest of the body of a dead or decaying organism after a carnivore has fed on it.
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Green eyes and brown eyes are two different forms of a single gene. This is an example of what?
1.alleles
2.chromosomes
3.genes
4.DNA
Answer:
Chromosomes
Explanation:
Chromosome 15 is what plays a major role in eye color
Molecular formula of 5 glucose molecule
What is a way carbon dioxide moves from nonliving things into living things?
hi!
through the process of photo synthesis
A cell goes through mitosis every 20 minutes. How many cells will there be after 3 hours?
Answer:
Well since a single cell per 20 minutes, it would be 9 cells in 3 hours.
Explanation:
Well since there’s 60 minutes in an hour and 60/20 is 3
3*3 hours is 9
So 9 cells in 3 hours
Grasses
Grasshoppers
Frogs
Hawks
Snakes
Decomposers
Which organisms in the food web shown above compete for the same
food source in this environment?
Answer:
Frogs and snakes.
Explanation:
I answered this question for another person, plus, this is the only reasonable answer.
If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human
being who then contracts the virus, what role is the mosquito playing in the infection of the person?
Header
Header
The host
The pathogen
The vector
The parasite
The symbiotic
Answer:
The pathogen
Explanation:
I need help on this plzzz
Answer:
they all stay but move 1 and 5 .. 1 goes to 4 and 5 goes to 1
8. A major misconception about natural selection is that this mechanism “gives organisms what they want or need so they can adapt to an environment.” Explain why this is not correct.
Answer:
Individuals can't change what they already have, some individuals are born with favorable traits, those get passed on while others are less likely (unfavorable traits) to get passed on.
help pls for brainliest
Answer:
There are two people affected
Explanation:
The black shapes are affected people, the white ones are unaffected
WHAT MIGHT HAPPEN TO A SALAMANDER Population that is forced to live in a cave unexpectedly.
Discribe blood cells and give their proper function. what makes difference on red blood cells to other types of cells of human?
Answer:
white blood cells help in the body in this action is to fight against diseases in the body while red blood cells help transport oxygen and nutrients in body
Blood cells and supply their proper feature: The red blood cell's important feature is to carry oxygen from the lungs and supply it during our body. red blood cells additionally transport waste including carbon dioxide returned to our lungs to be exhaled. Red blood cells can convey oxygen because of a protein known as hemoglobin.
How are human red blood cells exclusive from all different human cells?Red blood cells are microscopic and feature the shape of a flat disk or doughnut, that is round with an indentation within the middle, however it is not hollow. red blood cells do not have a nucleus like white blood cells, allowing them to change shape and flow for the duration of your body less difficult.
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What is the functions of the digestive, excretory, respiratory, circulatory, and lymphatic systems, and how do they interact to maintain the body's homeostasis?
Explanation:
Food and liquids are processed by the digestive system. After nutrients are absorbed during digestion, the excretory system removes solid waste products, or feces, through the rectum. The excretory system also works with the respiratory and circulatory systems and removes carbon dioxide (CO2) from the body.
Homeostasis, which refers to the body's capacity to maintain a steady internal environment despite changes in the external environment, is a state that is maintained by the respiratory, circulatory, lymphatic, excretory, and digestive systems working in concert. Although each of these systems has a unique job to do, they are all interrelated and dependent on one another to keep the body running smoothly.
What is a digestive system charge of ?The digestive system is in charge of converting food into nutrients that the body can absorb. It consists of the liver, pancreas, small and large intestines, stomach, mouth, oesophagus, and stomach. After then, the circulatory system delivers nutrients to the body's cells.
The kidneys, ureters, bladder, and urethra are part of it. The circulatory system and the excretory system collaborate closely to move waste materials to the kidneys for filtering and expulsion from the body.
The respiratory system is in charge of supplying the body with oxygen and expelling carbon dioxide. It consists of the lungs, trachea, bronchi, nose, and mouth. The respiratory system collaborates with the circulatory system to eliminate carbon dioxide and provide oxygen to the body's cells.
Nutrients, oxygen, and waste products are moved throughout the body through the circulatory system. It consists of the blood, blood vessels, and the heart. To provide nutrition and oxygen to the cells and eliminate waste, the circulatory system collaborates closely with the respiratory and digestive systems.
It is the job of the lymphatic system to remove extra fluid from bodily tissues and transport it back to the circulatory system. It consists of lymphatic organs like the spleen and thymus, lymph nodes, and lymphatic arteries. The lymphatic system contributes to immunological function and aids in the body's defence against illnesses and infections.
Overall, through controlling the body's internal environment, these systems cooperate to preserve homeostasis. For instance, the excretory system eliminates waste while the digestive system supplies nutrients for the body. These nutrients and waste materials are delivered to and removed from the body's cells via the circulatory system. The lymphatic system helps the body fight infections while the respiratory system supplies oxygen for cellular respiration.
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What came first? The chicken, or the egg?
:3
Answer:
easy
Explanation:
the egg obviously
Please help!!!!!!!!!!!!
Answer:
253.585 square inches
Explanation:
The figure can be decomposed into 2 rectangles and a quarter circle.
Area of the figure = area of rectangle 1 + area of rectangle 2 + area of ¼(circle)
✔️Area of rectangle 1 = Length × width
Length = 10 in
Width = 6 in
Area of rectangle 1 = 10*6 = 60 in²
✔️Area of rectangle 2 = Length × width
Length = 10 in
Width = 6 + 7 = 13 in
Area of rectangle 2 = 10*13 = 130 in²
✔️Area of ¼(circle) = ¼(πr²)
r = 9 in
π = 3.14
Area of ¼(circle) = ¼(3.14*9²) = 63.585 in²
✅Area of the figure = 60 + 130 + 63.585 = 253.585 square inches