Answer:
25%
Explanation:
Tt x Tt is the cross you should start with because both are heterozygous. Make a Punnett square. The short phenotype (genotype tt) should show up only once out of the four total genotypes. 1/4=25%
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Answer:
When you pair two tall, heterozygous pea plants, the probability of the offspring on the Pennett square being a short plant would be 25%, considering the most likely dominant gene being overruled with 75% being the tall gene.
Hope this helped :D Happy holidays!
This type of bone forms within sheets like layers of connective tissue.
A flat
B endochondral
C round
D irregular
The correct answer is statement c.
Explanation:
The procedure of the development of bones from hyaline cartilage is known as endochondral ossification. Endochondral ossification transforms hyaline cartilage into true bones, that is, hyaline cartilage functions as a template for the formation o
List the two types of asexual reproduction and write an example on each
Answer:
growth in line
Explanation:
Which description refers to cirrus clouds? are fluffy are wispy produce snow form at low altitudes
Answer:
Wispy is the answer :))
Explanation:
The cirrus clouds are wispy.
• The short, detached, hair-like clouds witnessed at high altitudes are known as cirrus clouds.
• These clouds are delicate, are wispy, look like tufts of hair and are silky sheen.
• They are whiter than any of the clouds during the daytime.
• With the rising or setting of the Sun, they make take the colors of the sunset.
• The cirrus clouds are formed completely of ice crystals that provides them the white color.
• They are formed from the ascent of dry air, which makes the small quantity of water vapor in the air to get deposit into ice.
Thus, the correct answer is they are wispy.
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This image shows the ionic bond between sodium and chloride in NaCl (table salt), and the covalent bond between oxygen and hydrogen in H2O (water.) How are the bonds different?molecular structure
Question 3 options:
The hydrogen transfers its electrons to oxygen in water; sodium and chlorine in salt share their electrons.
The hydrogen and oxygen atoms in water share their electrons; sodium transfers an electron to chlorine in sodium chloride.
The oxygen transfers its electrons to hydrogen in water; sodium and chlorine in salt share their electrons.
Answer:
B. The hydrogen and oxygen atoms in water share their electrons; sodium transfers an electron to chlorine in sodium chloride.
Explanation:
The bonds between sodium and chloride in NaCl (table salt), and oxygen and hydrogen in water are different as sodium and chloride in NaCl have ionic bond and oxygen and hydrogen in water have the covalent bond.
Sodium transfers an electron to chlorine in sodium chloride (NaCl), so that they both have full outer shell and form ionic bonds. sodium and chloride ions exerts electrostatic force on each other and bond together with ionic bonds.
The hydrogen and oxygen atoms in water have covalent bonds because they are bonded by sharing electrons. Both hydrogen and oxygen atoms share unequal electrons with each other and form V-shaped water molecule.
Hence, the correct answer is "B."
A chemical reaction occurs. Which of the following would indicate that energy is transformed during the reaction? A. light is produced B. heat is produced C. an electrical charge is produced D. all of these
Answer:
i think its B.
B.B.B..B.B.B.B.B.B.B.B.
Answer:
D, All of the above
Explanation:
What pattern did you see repeated every year?
Question 6 (1 point)
When a disease is acute, what does this mean?
Answer:
When a disease is acute, it will be a short duration. It may be severe and impair normal functioning. They also come on rapidly, and are accompanied by distinct symptoms that require urgent or short-term care, and get better once they are treated.
hope this helps :)
Coal, oil and natural gas
Why are organelles important?
Answer:
They carry out essential functions that are necessary for the survival of cells – harvesting energy, making new proteins, getting rid of waste and so on. Core organelles include the nucleus, mitochondria, endoplasmic reticulum and several others. ... Different types of cells have different amounts of some organelles.
Which of the following is not a common characteristic of life/living things.
Question 2 options:
a.growth and development
b.abiliity to reproduce species
c.motility - movement from place to place
d.response to environment
Answer:
I think the answer is D
Explanation:
all things grow and develop
all things reproduce if they didnt then there'd no more life
not all things can move from place A to place B
Answer:
That's a tough one. But I think it is D
What will the moon look like from Earth when it is in the position shown in your model
Answer: The Moon will look red in Earth’s shadow. That’s because the Sun’s light is refracted by Earth’s atmosphere.
Explanation:
Edmentum's sample answer
Which of the following statements is true?
O Cold blooded animals have cold blood.
Cold-blooded animals change their body temperature to match the environment.
Mammals and birds are usually cold blooded.
All of the above.
Answer:
Explanation:
Cold blooded animal did not have cold blood.
Cold blooded animals can’t change their body temperature to match the environment.
Mammals and birds are not cold blooded.
Which of these is directly formed as a result of weathering and erosion?
O A. metamorphic rocks
B. sediments
0 C, crystals
O D. igneous rocks
Answer:
b sediments is the ckrrwcr a swer
Sedimentary rocks are directly formed by weathering and erosion. Hence, option B, sediment is correct.
What are weathering and erosion?Breaking down of rocks, mountains, and soils, when they come in contact with air, water, and atmospheric gases is known as weathering. There are two types of weathering: physical weathering and chemical weathering. Weathering results in the formation of soil, it forms sedimentary rock.
Erosion is a kind of geological process in which soil and rock debris are removed from the surface and transported to another place by natural agencies. In this phenomenon, the material is degraded from one place and deposited in another place. It alters an existing landform to form a new landform.
In both phenomena, rocks are broken down into small particles. The major difference between erosion and weathering is that erosion displaces material after breaking down, while weathering breaks down material without displacing them.
Thus, option B is correct. Sediments are formed as a result of weathering and erosion.
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Which of these is more likely to have winter ice?
A)
lakes
B)
open ocean
C)
salt marsh
D)
mangrove forest
E)
estuary
Answer:
A. Lakes
Explanation:
Usually the open ocean has too much movement and higher temperatures to freeze over, so that excludes salt marches and estuary as well. Mangrove forests usually survive in salt water areas, which again the salt and movement of salt water allows for the water to not freeze over. With lakes, they are usually smaller bodies of water found all over the world, and can easily have the top freeze over, since there's no salt, not as much movement, and temperatures can vary more often.
5. A scientist who studies rain, lakes, and rivers (1 point)
Chemist
O Entomologist
O Geologist
Hydrologist
A scientist who studies rain, lakes, and rivers is known as the hydrologist. Thus, option D is correct.
What do you mean by Hydrologist?A hydrologist can be defined as the person who has studies the water present on the earth's surface and it determines all the possible characteristics, levels of the contamination, and the supply of the particular water resources. An aquifer assists in the filtering groundwater by just compelling it to the perish through small pores and in between sediments. It helps in the removal of the impurities present in the water.
A hydrologist has a scientists who studies the circulation, as well as the movement and distribution of the surface as well as underground waters. Such professional studies has about the impact of the human beings, the seasonal changes and the natural calamity just over the water body.
The changes occurring in the oceanic water due to seasonal changes is studied by the hydrologist. As it has involves the physical change in the overall flow of the water due to the impact of the seasonal change.
Therefore, A scientist who studies rain, lakes, and rivers is known as the hydrologist. Thus, option D is correct.
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Es una característica de la planaria excepto:
a) Es un gusano plano
b) Habita en los ríos
c) Es un parásito
d) Son pequeñas
e) Pertenece a los platelmintos
Answer:
The correct answer is option c) Es un parásito.
Explanation:
The planarians are a group of "flat worms" that previously corresponded to the class Turbellaria, which is why they are also called as peat bogs. Around 4500 species are known, most of them aquatic in benthic ecosystems, although there are also species adapted to humid environments on land.
The vast majority of planarians are free-living animals, unlike the rest of flatworms that are totally parasitic. Most are aquatic and live in the bottoms (benthos) feeding on other small animals or on remains of decomposing organic matter.
Todas estas son características de las planarias excepto son parásitos (Opción c).
Los planáridos (Planariidae) son una familia de gusanos planos del phylum Platyhelminthes.Estos gusanos planos (planarias) son de vida libre, contrariamente a otros platelmintos que son generalmente parásitos.No obstante, es importante aclarar que existen excepciones a la regla y algunas especies de planarias son parásitas de diferentes animales.Algunos géneros de planaria incluyen:
AtrioplanariaCrenobiaDigonoporusParaplanariaBdellasimilisPhagocataEn conclusión, todas estas son características de las planarias excepto son parásitos (Opción c).
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which organelles are needed to bring in or move out materials from the cell
Answer:
Molecules can diffuse across membranes via transport proteins, or they can be aided in active transport by other proteins. Organelles such as the endoplasmic reticulum, Golgi apparatus, mitochondria and peroxisomes all play a role in membrane transport.
Question 2
Which two of the following processes require energy
Answer:
what are the options
i would love to helps tho
Explanation:
sorry
Answer:
Exocytosis
Endocytosis
In order for a plant to grow, what force must it overcome?
This diagram shows a red blood cell in a beaker that contains a solution of with a higher salt
concentration than that inside the red blood cell.
high salt concentration
low salt concentration
What will happen to the red blood cell in this environment?
Answer:
The red blood cell will become dry as water inside it will move towards a higher concentration of salt by osmosis.
You are an almond grower and want to determine whether almond size (measured as shelled almond weight) is a heritable trait. A survey of 800 trees from several groves indicates that the average shelled almond weight is 5.71 g. You select the 40 trees producing the biggest almonds (average shelled almond weight of 6.48 g), then cross-pollinate the flowers from these trees. You plant the almonds produced by these flowers and when the resulting trees reach maturity, you measure the size of their almonds and find that the average shelled almond weight is 5.85 g.
1. Calculate the selection differential.
2. Calculate the response to selection.
3. Calculate heritability (h2).
4. If you were to carry out this breeding program for multiple generations would you expect to see almond production to be strongly influenced by genetics, environment, or a combination? Explain.
Answer: 1. S = 0.77
2. R = 0.14
Explanation:
1. Selection differential is the difference between the population mean and the average of the selected parents. Its symbol is S.
S = mean of selected parents - population mean
S = 6.48 - 5.71
S = 0.77
2. Response to Selection is how much gain you make when crossing over selected parents. Its symbol is R.
R = mean of offspring of selected parents - population mean
R = 5.85 - 5.71
R = 0.14
3. Heritability is, basically, a statistical variable that shows how much the variation in a trait is due to genetic factors. Its symbol is h².
To calculate it, use Breeder's Equation:
R = h²S
[tex]h^{2}=\frac{R}{S}[/tex]
[tex]h^{2}=\frac{0.14}{0.77}[/tex]
h² = 0.18
4. You would expect the production to be strongly influenced by environment, because heritability lies between 0 and 1. Low heritability means there is low level of resemblance between offspring and parents. As this program heritability is low, the resemblance is small, which means the characteristics are influenced mostly by the enviroment.
Agar is an excellent solidifying agent for microbiological media because Select one: a. it is not degraded by most microorganisms. b. solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C. c. it is not degraded by most microorganisms and solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C are correct. d. agar provides an excellent source of nutrition for a variety of different microorganisms.
The correct answer is C. It is not degraded by most microorganisms and solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C are correct.
Explanation:
Agar is a substance derived from red algae mainly used as part of some foods and microbiology works. In microbiology, agar is an ideal substance due to its stability and low susceptibility to temperature. Indeed, agar will remain solid below 90° C and liquid below 45°.
Moreover, agar is used in microbiology because this substance cannot be degraded by most microorganisms. Due to this, it is commonly used as a culture medium that will preserve stable properties as it is not affected by the bacteria, and other organisms growing in it. According to this, the correct answer is C.
How is gastric acid produced?
Answer:
Gastric acid secretion is produced in several steps. Chloride and hydrogen ions are secreted separately from the cytoplasm of parietal cells and mixed in the canaliculi. Gastric acid is then secreted into the lumen of the gastric gland and gradually reaches the main stomach lumen.
basically in the stomach
Answer:
Gastric acid is produced in many steps. Chloride and Hydrogen are secreted separately from the cytoplasm of parietal cells and mixed in the canaliculi and, Gastric acid is then secreted into the lumen of the gastric gland and gradually reaches the main stomach lumen.
A researcher analyzes the interaction between two investigational drugs. He begins by plotting the dose–response curve for the first drug, administered alone. He then administers both drugs in combination and plots a second dose–response curve. When the two drugs are co-administered, the dose–response curve is shifted significantly to the right. He concludes, therefore, that the interaction between the two drugs is:__________
Answer: antagonistic
Explanation:
A researcher analyzes the interaction between two investigational drugs. He begins by plotting the dose–response curve for the first drug, administered alone. He then administers both drugs in combination and plots a second dose–response curve. When the two drugs are co-administered, the dose–response curve is shifted significantly to the right. He concludes, therefore, that the interaction between the two drugs is antagonistic.
An antagonist is sometimes called blockers and it is simply referred to as a type of drug that avoids a biological reaction. An antagonist doesn't activate when it binds to the receptor but what it does is that it blocks the receptor. From the question, we are told that when the two drugs are co-administered, the dose–response curve is shifted significantly to the right, this implies that the interaction is antagonistic.
Roger is comparing a model of a sugar molecule to a model of an amino acid.
Which of the following evidence statements would be supported by the two
models?
Sugars and amino acids are made of exactly the same elements.
O Sugars and amino acids have the same structure
Sugars and amino acids are made of the same elements except amino acids also
contain nitrogen
Sugars and amino acids are made of the same elements except sugars also contain
phosphorus
O
Answer:
a
Explanation:
because he is smart sjsjsjsuzzhss
Sugars and amino acids are the important biomolecules which make the genetic material of an organism. These are made up of same elements except amino acids also contain nitrogen in them. Thus, the correct option is C.
What are biomolecules?Biomolecules are the organic compounds which are important for the survival of an organism. Sugars and amino acids are the two important classes of biomolecules which carry the genetic information in them.
Sugars are the carbohydrates which contain carbon, hydrogen, and oxygen elements. These include ribose sugar and deoxyribose sugar which are the components of genetic material- DNA and RNA.
Amino acids are the amphoteric acids which contain both carboxylic acid group and amino group in them. Amino acids combine to form protein molecules. Amino acids are made up of carbon, hydrogen, oxygen, and nitrogen elements.
Therefore, the correct option is C.
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All of the following are considered phases of mitosis (active cell division) EXCEPT:
interphase
prophase
metaphase
anaphase
telophase
Answer: interphase
Explanation:
During interphase, the cell grows and makes a copy of its DNA. It isnt dividing.
During the mitosis, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.
The image below is what? Answer ASAP
Answer:
carbohydrate?
Explanation:
Alcoholic fermentation
forms fewer ATP molecules than cellular respiration
uses oxygen and ATP molecules as reactants
occurs in the muscle cells of animals and humans
gives off carbon dioxide and NADH as products
forms fewer ATP molecules than cellular respiration
What is true about the structure or function of the plasma membrane? The bilayer structure forms a solid boundary that separates the cell from its environment. Hydrophobic molecules keep the cell from getting too much water. It is made entirely of integral proteins. Large molecules often cross the plasma membrane while inside vesicles.
Answer:Large molecules often cross the plasma membrane while inside vesicles.
Explanation:hope this helps!! :)
Answer:
Large molecules often cross the plasma membrane while inside vesicles.
Explanation:
i took test
Which is abiotic? A.tree sap B.insect C.sunlight D.tree stump
Answer:
The answer is C. sunlight
Explanation:
Answer:
C // Sunlight.
Explanation:
Sunlight is the proper answer to this question, as it is a non-living, and has no live factors. So, Sunlight would be abiotic.
