Answer:
polyp
Coral polyps secrete a rock-like skeleton of calcium carbonate around them. Calcium carbonate is also the dominant consituent of the rock, limestone. Because modern corals live in large colonies, these skeletons can become quite large, sometimes forming reefs.the soft tissue decays which leaves a hard skeleton behind the skeleton also that was preserved as a fossil of ancient coral and the coral that exists today all belong to the order of Scleractinia (SCLER-ac-TIN-ee-a). in the past the fossils found today lead to the conclusion that their where other kinds of coral which are now extinct The order Rugosa was dominated by solitary corals in which each coral polyp had its own skeleton. Rugose means wrinkled or rough, and the outer surfaces of most rugose coral skeletons has a wrinkled appearance. Because some of the solitary rugose corals formed horn-shaped skeletons, they are called horn corals. Some Rugose corals also formed colonies and coral heads. The order Tabulata consisted entirely of groups of coral animals that lived in large colonies with a shared skeleton. These colonial corals grew in mounds, branching shapes, as chain-like shapes, and even in shapes resembling pipe organs.
Explanation:
discribe the passive transport movement of a substance down it's concentration gradient through a protein channel embedded in the cell membrane
Answer:
The passive transport of a substance by its concentration gradient through a protein channel is called facilitated diffusion.
Explanation:
Facilitated diffusion is a type of passive transport through the membrane, which involves the use of integral proteins called protein channels or transport proteins, and moves substances unable to cross the membrane by simple diffusion.
An example of facilitated diffusion through protein channels is the ion channel. Ions, being electrically charged particles, cannot pass through the plasma membrane. A protein channel -which crosses the whole thickness of the membrane- constitutes a space where ions can move depending on their concentration gradient.
In facilitated diffusion, both protein channels and transport proteins do not require energy, so it is a transmembrane passive transport process.
Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child?
Answer:A positive, B positive
Explanation:
The presence of organic material in soil makes it more productive for plant growth.
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
Organic matter in the soil is called "humus". It is formed by the decomposition of plant material by microorganisms.
It is extremely important for retaining water and nutrients in the soil, both of which are crucial for plant growth and survival. Therefore, organic matter in the soil makes the soil much more "productive."
In the human body, is every organ a part of only one organ system? Or are some organs a part of two or more organ systems? A. Every organ is a part of only one organ system, which is necessary because organ systems work independently of one another. B. Every organ is a part of only one organ system, although organ systems often interact with one another. C. Some organs are a part of two or more organ systems. For example, the heart is a part of the circulatory and digestive systems. D.
C
[From ck12.org] "An organ can be part of more than one organ system. For example, the ovaries produce hormones, which makes them a part of the endocrine system; the ovaries also make eggs, which makes them a part of the reproductive system as well."
Is there more water today, or when the Earth was formed?
Answer:
no it is the same amount of water since the world was formed
Explanation:
water did not magically appear from no where
GIVING BRAINLIEST, THANKS AND FIVE STARS THANK YOU HAVE A GREAT DAY!!!!!!!!!!!!!
The eggs of a cone bearing plant:
receive sperm through the development of tubes
are held on the sticky fluid of the female cone
receive pollen from the wind
Answer:
Cone-bearing plants have two types of cones: female cones and male cones. Reproduction begins when one of the pollen grains from inside a pollen sac on the male cone floats through the air to the scale of a female cone. A pollen tube then grows from the pollen grain toward the female ovule.
Rita planted hydrangeas in her and her grandmother’s home. The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home. This made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic. This is an example of which type of variation? Explain.
Answer:
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Does Soil Affect Flower Color?
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By
Mary Simpson
This flower must have grown in neutral soil, with little aluminum.
In some varieties of bigleaf hydrangeas (Hydrangea macrophylla), soil pH determines whether the plant will produce blue or pink flowers. Blooms appear bluest when grown in acidic soil with a pH in the 5.0 to 5.5 range. The same cultivar may sport pink blossoms in soil with a more neutral pH, such as 6.5 to 7.0. Florists control flower color by potting soil mixture
A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.
What technology helps her to stay in her home safely?The technology that can help her stay in her home instead of moving to a nursing home is a medical-alert bracelet that informs first responders of a fall or an emergency.
The medical alert bracelet is vital as it will help during emergencies as first responders will be made aware of the grandmother's situation and can then respond on time.The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.
This is the best option as other options doesn't have to do with emergencies. Rita planted hydrangeas in her and her grandmother’s home. The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.
Therefore, A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.
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What are the reactants and products of the light independent reactions?
Answer:
In photosynthesis, oxygen, carbon dioxide, ATP, and NADPH are reactants. GA3P and water are products. In photosynthesis, chlorophyll, water, and carbon dioxide are reactants.
The reactants and products of the light-dependent reactions of photosynthesis would be as follows:
Reactant: water, radiant energy, ADP, and NADP+
Products: oxygen gas, ATP, and NADPH
In the light reaction, radiant energy excites the electrons of chlorophyll molecules. The excitation causes the electrons to be knocked off the chlorophyll molecule and the energy of the electrons is used to convert ADP to ATP and NADP+ to NADPH.
The space left by the excited electrons is filled by electrons from water molecules with oxygen from the water molecule being released as a result.
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The normal human body temperture for adults is around 37°C. Which temperature and pH profile curves on the graphs in the figure were most likely generated from analysis of an enzyme from the
human stomach, where conditions are strongly acidic?
Please help!!
A. Curve 1
B. Curve 2
C. Curve 3
D. Curves 1 and 2
Answer:
i think it should be curve 1
Explanation:
in the graph temperature affect the rate of reaction in each curve, we just need to find the enzyme that has best reaction rate around 37 degree which is curve 1.
Cellular respiration uses one glucose molecule to produce a total of
A. 36 ATPs.
B.38 ATPs.
C. 2 ATPs.
D. 24 ATPs.
Cellular respiration uses one glucose molecule to produce a total of 38 ATPs (option B).
What is cellular respiration?Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
Cellular respiration occurs in three processes namely;
Glycolysis; this is the cellular degradation of the simple sugar glucose to yield pyruvic acid, and ATP as an energy source. Krebs cycle; this is a series of enzymatic reactions that occurs in all aerobic organisms; it involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.Electron transport chain; this is a series of electron transfer that results in the synthesis of large amount of energy.In total, the overall process of cellular respiration results in the formation of 38ATPs.
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Answer:
A. 36 ATPs.
Explanation:
took the test good luck! ;)
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Sickle cell anemia is a genetic disease that affects the red blood cells. Your red blood cells are typically donut shaped
and have the job of carrying oxygen around your body. In people with sickle cell anemia, the blood cells become
crescent-shaped and are thick and sticky. They are not as able to carry oxygen, and can even get clogged in the blood
vessels blocking the flow of blood, and therefore oxygen to organs, causing pain and organ damage.
Sickle cell is caused by a genetic mutation that changes a single glutamic acid to valine in the 6 th amino acid position.
Examine the codon chart provided above (for #s 3-5), and determine what mutation likely occurred to cause the
change from glutamic acid (GLU) to valine (VAL). To help get you started, it is helpful to know that a person with
NO sickle cell at amino acid #6 has a DNA code of CTC. (4pts)
Normal RNA: ____________, Normal amino acid made: ___________
Mutated RNA: ___________, Mutated amino acid made: ___________
What type of mutation is this? ________________________________
how does the placement of the mica sheet and the direction of light affect the growth of a plant?
Answer:
Explanation:
When the mica plate was inserted on the illuminated side, the plant did bend towards the light. Therefore, the chemical signal was a growth stimulant because the phototropic response involved faster cell elongation on the shaded side than on the illuminated side.
Which of the following would be the correct classification for the soil and earth material in the most productive aquifer?
low porosity, high permeability
high porosity, high permeability
low porosity, low permeability
high porosity, low permeability
Please help ASAP
(50 points if you help FAST)
Answer:
B. high porosity, high permeability
C. low porosity, low permeability
Explanation:
an increase in the concentration of protons in the cytosol will most likely have which of the following effects on glycolysis
Answer:
Reaction rate will increase as a result of the increased H+ concentrate
Explanation:
Because the more ions the faster the reaction rate
The increase in the concentration of protons ; increases the Reaction rate
An increase in the number the positive ions ( H⁺ ) in a reaction will lead to an increase the reaction rate and a decrease in the activation energy.
Therefore as the number of protons ( H⁺ ) in the cytosol increases, the ripple effect it will have on glycolysis will be an increase in the rate of reaction ( i.e. Reaction rate ) and a decrease in activation energy.
Hence we can conclude that an increase in the concentration of protons in cytosol will increase the Reaction rate of glycolysis.
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Although the options related to your question is missing a general answer is provided above.
b) How does the thermal energy of solid water change as it melts?
Answer:
Hi! So solid water would be ice, the particles in ice are very close together which makes it firm and makes it ice. When you put the ice in the microwave, (Microwave has heat so it would be thermal energy!) the particles in the ice mover a tiny bit away from each other which then makes it water. Then, if you boil the water, the particles that are in the water move far away from each other and it turns into steam!
Hope this helps!! Stay safe! <3
What are some primary consumers in guatemala
What would happen to the flow of energy if autotrophs did not produce more sugars than they need?
Answer:
Your body would not have alot of energy
Explanation:
I need help Please help me?!
Answer:
Potential Energy is energy matter has when still.
Kinetic Energy is energy in motion.
Four features of honeybee
Answer:
Bees have 5 eyes.
Bees have been here around 30 million years.
Bees can fly at a speed of 20 miles per hour.
Bees are insects, so they have 6 legs.
An average beehive can hold around 50,000 bees.
Male bees in the hive are called drones.
Female bees in the hive (except the queen) are called worker bees.
Explanation:
Honeybees have black and yellow stripes, a stinger, 5 eyes, and they have 6 legs.
What is the relationship between biomes and ecosystems???
Please answer soon
Explanation:
Biome and the ecosystem are the words that are sometimes applied interchangeably to explain a particular kind of environment.
The biome represents the geographical region that has the same kind of ecological atmosphere, climate and mostly consistent collection of the species and it is made of a large number of ecosystems.
An ecosystem represents a particular element of the biome and a species that nearly interact in it.
Thus the biome is the collection of various types of ecosystems.
BRAINLIEST BRAINLIEST BRAIBLIEST PLEADE ANSWER DUSUSISISJJAIXNDJDD
Answer:
uh I am not really sure But I think it is HE
Explanation:
It appears the answer must be:
HydrogenIn cells, the production of proteins is handled by the ribosomes and endoplasmic reticulum, while the processing and packaging of proteins is handled by the _________ body.
A) Golgi
B) nuclear
C) plastid
D) cytoplasmic
The answer is A: Golgi.
This is because the Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.
PLS HELP : What is the purpose of apoptosis?
Check ALL that apply.
(4 Points)
to make sure it has enough water
eliminates unnecessary cells
removes unhealthy cells
takes out damaged cells
A student wants to compare how long a flashlight will continue to shine using different brands of batteries. How can the student make sure that the test is fair?
Answer:
start with unused fresh out of the pack batteries
Answer:
THE TYPE OF FLASHLIGHT USED
Explanation:
Zero elevation is also known as
A. peak
B.profile
C.sea level
D.base
what is infographic?
name of locomotory and breathing organs of shark
Answer:
Respiratory system
Explanation:
Like other fishes, sharks extract oxygen from water as it passes over their gills.
raspatory system? idk
Is toxic chemical pollution a nonpoint source pollution or a point source pollution? I need an actual answer.
Answer:
Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. Oil, grease and toxic chemicals from urban runoff and energy production.
Explanation:
What structure is used to transport organic molecules from the leaf to other parts of the plant
Answer:
Phloem
Explanation:
Phloem is the vascular tissue responsible for transporting organic nutrients around the plant body, carries dissolved sugars from the leaves (their site of production) or storage sites to other parts of the plant that require nutrients.
how do cells know how to develop within a multicellular organisms
Answer:
The correct answer is They receive instructions in their DNA
Explanation:
I took the Test