The expected phenotypic ratio of the offspring would be
75% rose comb
AND
25% single comb
In this offspring, both rose comb and single comb can be expected.
Creating a punnet square will show this with Rr (Heterozygous) being on top and rr (homozygous) being on the left side. When put into the punnet square, it shows a 50/50 chance for both results with two homozygous chances of rr and two heterozygous chances of Rr.
Therefore, the phenotypic ratio of the offspring would be 2:2 or 50/50 as both have an equal chance.
Hope this helps!
The North American Plate is moving away from the Eurasian Plate, forming the Mid-Atlantic Ridge. Iceland offers a natural laboratory to scientists studying plate tectonics. Using what you know about plate tectonics, predict what boundary zone is occurring and two resulting features from the choices below.
Convergent boundary zone; long, narrow trenches; crustal deformations
Convergent boundary zone; submarine mountain ranges; mid-ocean ridges
Divergent boundary zone; volcanic activity; fissure zones
Transform boundary zone; earthquakes; fault lines
The answer is; Divergent boundary zone; volcanic activity; fissure zones
The mid-Atlantic ridge is a divergent boundary. Such a boundary, that majorly occurs in ocean beds, is exhibited by signs of ocean-floor spreading. As the two plates move away from each other, the magma from the mantle rises to fill the void. Mountain ranges form along the boundary due to the numerous fissures between the two plates.
Answer:
its a
Explanation:
Where do tropical cyclones form?
Greta hid her sigh as she opened the gift from her mother she lifted in the new Diary from the box forcing A Smile as she posed for a quick photo she rolled her eyes as she turned away and set the book behind her knowing it would go unused like the one from last year. The first sentence in the paragraph is explicitly or implicitly
i believe it might be "implicitly"
Meiosis is the process that produces sperm and eggs by reducing the gamete cell's number of chromosomes from _____to _____.
diploid to haploid
haploid to diploid
diploid to monoploidy
haploid to polyploidy
Meiosis is the process that produces sperm and eggs by reducing the gamete cell's number of chromosomes from diploid to haploid.
What is meiosis?Meiosis is a type of cell division that occurs in sexually reproducing organisms. It is responsible for producing haploid sperm and egg cells, which are needed for sexual reproduction. The process involves two rounds of division, called meiosis I and meiosis II, that results in four daughter cells, each with half the number of chromosomes as the parent cell. In the first division, homologous chromosomes are paired and separated, resulting in the formation of two haploid cells.
In the second division, the remaining chromosomes are separated, resulting in the formation of four haploid cells. This reduction in chromosome number is necessary for the proper formation of zygotes during fertilization and the maintenance of chromosome number in the offspring.
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What is mistletoe and why does it grow randomly of trees?
A mistletoe is a leathery-leaved parasitic plant that grows on apple. oak, and other broad leaf trees.
Diagram a typical sequence of events in fossilization.
Why is a low pressure area, like the one in the map, created along a cold front? A) The cold air drops the temperature, creating a low pressure area. B) The cold air pushes away the warm air, creating a low pressure area. C) The dense, cold air brings rain with it, creating a low pressure area. D) The dense, cold air pushes the warm air up, creating a low pressure area.
The answer is; D
Cold air mass from the surrounding, which is denser than warm air in the local system, moves in to replace the rising warm air. This rushing cold air mass pushes the warm air further up the atmosphere and causes the warm air mass to cool and form clouds. This condensation process is an exothermic process that further warms up the upper atmosphere hence creating a low pressure system in the region.
The total amount of organic matter present in any trophic level is called A) bioassay. B) biodiversity. C) biomass. D) detritus.
C biomass. hope this helps
i think it might be detritus
Tom's class has been studying natural resources in science. His teacher listed these two words on the board: oil, coal. Tom's teacher asked them to think about why these two words are important to humans. Why are resources such as oil and coal important?
A) They are used as fuel.
B) They are not important.
C) They are used to grow plants.
D) They are used in construction.
the answer is A. They are used as fuel.
A green glass door admits only certain objects. Apples and balls are allowed, but pears and bats aren’t. What determines whether an item can enter? If you get it right I will mark you as brainliest!!!
All words with a repeated letter are allowed. (aPPles and baLLs are allowed)
One student did an experiment on the rock cycle. The steps of the experiment are shown below. Pile wax shavings of different colors one over the other. Hold the pile of colored wax shavings in the palm and squeeze it for two to three minutes. Fold the pile and squeeze it in the palm again for a minute. Place the pile in a metal pan and heat until all the wax melts. Cool the wax overnight. What does the student's experiment most likely demonstrate about the rock cycle?
wax represents rock. different colors means different types of rock. the squeezing n folding represent rocks being compressed n folded together. heating in pan is rock getting heated. the whole experiment demonstrates how metamorphic rock is formed.
The student's experiment demonstrates the rock cycle process by using colored wax shavings to represent different rocks and minerals and simulating the pressure, heat, and cooling that rocks experience.
Explanation:The rock cycle is a continuous geological process that describes how rocks are formed, transformed, and recycled over time. It involves three main types of rocks—igneous, sedimentary, and metamorphic—changing through processes like cooling and solidification, erosion and sedimentation, and heat and pressure, creating a dynamic Earth's crust.
The student's experiment most likely demonstrates the process of the rock cycle. The colored wax shavings represent different types of rocks and minerals, while the squeezing and folding actions simulate the pressure and heat within the Earth that cause rocks to undergo changes. Heating the pile until the wax melts represents the melting of rocks, while cooling it overnight represents the solidification of molten rock.
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Select the correct answer. Which living organism processes nitrogen in the atmosphere and makes it available to other living forms in a usable form
A.
bacteria
B.
plants
C.
humans
D.
animals
A. Bacteria would be your answer
Answer:
Bacteria
Explanation:
check the pic
I’m not sure what to do with it ?
Piece of cake. Your task is to click and drag the words from the item bank (the grey boxes) to their appropriate locations on the diagram (the white boxes).
The diagram shows enzyme function. An enzyme is a protein that speeds up chemical reactions by decreasing the activation energy required for the reaction to take place. Each enzyme works with a specific molecule (the substrate). The substrate fits into the enzyme's active site like a key in a lock. Together, the substrate and the enzyme form the reactants of the reaction. Some enzymes build large molecules from smaller molecules, others (such as the one shown) break large molecules into smaller molecules. The resulting molecules at the end of the reaction are the products.
Why is 2 correct for #1
NEED ANSWER ASAP
Answer :- Option 2 90 mm is correct.
Explanation :-
In the given diagram, we consider the starting point of measurement the value where the mouth of the earthworm is pointed i.e 1.5 cm.So if we count from 1.5 cm that is the start point and then we see the end point i.e 10.5 cm we get,10.5 - 1.5 = 9.0 cm
So the length of the earthworm is 9.0 cm as seen from the scale.
Now to convert cm into mm, we need to know that:1 cm = 10 mm
Thus, to convert 9.0 cm to mm
we need to multiply 9 by 10
9 X 10 = 90
So the answer is 90 mm.
Explain one likely reason why the wolf population rapidly increased
Prey populations rapidly increase. This is followed by an increase in the predator population: As predators eat the prey, their population goes down because there is less to eat and the predator population also goes down.
Which two terms are opposite:
A. Cellular respiration
B. Anaerobic
C. Aerobic
D. Kreb’s cycle
E. Glycolysis
B. and C. are opposite. :)
Anaerobic and Aerobic are opposite terms. The Correct options are B and C.
Thus, There are two types of cellular respiration: aerobic respiration, which requires oxygen, and anaerobic respiration, which does not. Most cells use both types of respiration, depending on the needs of an organism, while certain cells may only engage in one type of respiration.
Apart from macroorganisms, cellular respiration also takes place in chemical processes, such as fermentation. In general, respiration is employed to produce energy and remove waste.
The cytoplasm, which lies between a cell's nucleus and membrane and contains mitochondria, which aid in metabolic processes, starts chemical reactions that cause glucose to break down when a cell needs to release energy.
Thus, Anaerobic and Aerobic are opposite terms. The Correct options are B and C.
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The term extinction applies to the eradication of an entire what ??
Extinction refers to the eradication of an entire Species. Hope this helped!
Final answer:
Extinction is the eradication of an entire species from Earth, with no living members remaining. It can result from specific extinction events or be part of a mass extinction, which affects many species over a short geological time period.
Explanation:
The term extinction refers to the complete elimination of an entire species, signifying that no members of the species remain alive anywhere on Earth. An extinction event could be a specific occurrence that causes the disappearance of a species, such as environmental changes or human activities. While some extinctions occur isolatedly, a mass extinction is a more catastrophic event or environmental condition that wipes out the majority of species within a relatively short geological time frame, such as the Cretaceous-Paleogene extinction event that resulted in the demise of the dinosaurs. Historically, Earth has undergone several mass extinctions, and some scientists speculate that we may be experiencing another one, termed the Holocene extinction event, mainly due to human impact on the environment.
A plant's water supply is now deeper in the ground. By which process do the roots grow longer to reach the water? Question 13 options: interphase photosynthesis mitosis meiosis
Mitosis because photosynthesis is the process of making glucose, interphase is in between the cell dividing process, and meiosis is division for sex cells.
Answer:
C.Mitosis
Explanation:
What adaptation prevents phytoplankton from sinking into deep waters
I'd say flagella.
Hope you find it helpful!
Different between the basic structural and functional units of the Kidney and the lungs Based on the following points:- A)Name , B) Structure , C) Function
The functional unit of the kidney is nephron. Kidney comprises two kinds of nephrons, each situated in distinct sections of the renal cortex, that is, juxtamedullary nephrons and cortical nephrons. A nephron constitutes of a renal tubule, renal corpuscle, and the associated network of capillaries. The nephron is accountable for eradicating waste from the body.
The functional unit of lungs is alveoli. They resemble a cluster of grapes, they are thin and possess moist walls. They are a single layer of cells enveloped by a layer of capillaries. The main function of the lungs is respiration. The alveoli help one to breathe, by conducting the process of gas exchange.
Below are statements that describe either traits that follow the typical pattern of Mendelian inheritance or sex-linked inheritance patterns. Sort them into the proper place
There are two types of the inheritance pattern observed in the humans.
1. autosomal inheritance,which follows the Mendelian Inheritance pattern.
2. Sex- linked inheritance.
The autosomal inherited condition are linked to the inheritance of the genes, which are present on the sutosomes not on the sex chromosome. they occur equally in both male and female progeny. Th inheritance is based on the type of allele inherited, whether it is dominant or the recessive one.
The sex linked disorders are those, which are linked to the sex chromosomes. Most of the sex linked disorders occur due to the inheritance of the affected X chromosome. As the girls have two X chromosome, they are more likeley to be a carrier of the disease, hence, the sex linked traits occurs less in the female, as compared to the males.
The given table is the comparision of the sex linked inheritance and the autosomal inheritance.
Answer:
The following statements Sex-linked traits:
Hemophilia.
A trait like color-blindness, which affects many more men than women.
A trait that is linked to the X chromosome.
These are not equally likely to occur in males and females.
The following statements are Mendelian trait:
Involves a dominant and recessive allele.
A trait like eye color or height .
Predisposition to some diseases like diabetes and heart disease .
These are equally likely to occur in males and females.
Explanation:
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12) What type of RNA acts like a delivery truck, delivers amino acids to the ribosome for protein synthesis, and then leaves empty again, to go collect another amino acid? A) Transfer RNA B) Messenger RNA C) Ribosomal RNA D) Mitochondrial RNA
The correct answer is Transfer RNA.
Answer:
A
Explanation:
tRNA brings the amino acids to the ribosomes to complete protein synthesis.
Some plants increase in height due to changes in specialized regions of cells in the tips of their branches. The processes that result in these changes include Meiosis, cell growth and cloning Mitosis, zygote formation and cloning Meiosis, gamete formation and differentiation Mitosis, cell growth and differentiation
The correct answer is : Mitosis, cell growth and differentiation.
Plants increase in height due to the activity of meristem or meristematic tissue. Meristems are tissues which have capacity to divide throughout their life. Meristems are located in the apical meristems, shoot apex and root apex. Meristems divide through mitosis. The daughter cells enlarge, stretch and differentiate into other types of cells as they mature. This causes some plants to increase in height.
Final answer:
Some plants grow in height through mitosis, cell growth, and differentiation in the meristems. Mitosis provides new cells, which then enlarge and differentiate into specialized tissues, and this process contributes to the plant's overall growth.
Explanation:
Plant Growth and Development
Some plants increase in height due to changes in specialized regions of cells in the tips of their branches, primarily through processes such as mitosis, cell growth, and differentiation. Mitosis is the mechanism behind cell division in the meristems, which are areas of rapidly dividing unspecialized cells. This process produces new cells that can then grow in size and differentiate into specialized plant tissues like xylem and phloem. Cell growth often refers to the enlargement of the cell, particularly through the expansion of the vacuole. Differentiation is the process by which cells become specialized in structure and function to contribute to the various tissues in the plant.
Meristematic tissue plays a key role in plant growth. This tissue is composed of small, unspecialized cells that have the potential to divide and differentiate. Growing plants rely on the meristems for the continuous supply of new cells that will eventually expand and become specialized, pushing the plant upwards and increasing its overall size. The actual growth of plants generally occurs in areas adjacent to these meristems.
which of the following is not part of a nucleotide in a DNA molecule
A nucleotide in DNA is made up of a deoxyribose sugar, a phosphate group, and one of the four nitrogenous bases. Any other element, such as an amino acid, is not part of a nucleotide in DNA.
Explanation:A nucleotide in a DNA molecule comprises three components: a deoxyribose sugar, a phosphate group, and one of the four nitrogenous bases (adenine, thymine, guanine, and cytosine). Therefore, any element that is not one of these three could be considered as not a part of a nucleotide in a DNA molecule. For instance, the amino acid is not part of a nucleotide in DNA. Amino acids are the building blocks of proteins, not DNA.A nucleotide is composed of three main components: a nitrogenous base, a sugar molecule, and a phosphate group. In DNA, the four nitrogenous bases are adenine (A), thymine (T), cytosine (C), and guanine (G). The sugar molecule in DNA is deoxyribose. The phosphate group is a group of atoms containing phosphorus and oxygen. Therefore, the correct answer is phosphate group.
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Which phrase best describes passive transport?
Answer: requires no energy from the cell
Explanation:
There are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done
Final answer:
Passive transport is a naturally occurring phenomenon that allows small molecules or ions to move across the cell membrane without the input of energy. It includes diffusion, osmosis, and facilitated diffusion.
Explanation:
Passive transport is a naturally occurring phenomenon in which small molecules or ions move across the cell membrane without the input of energy by the cell. It includes three main types: diffusion, osmosis, and facilitated diffusion. In diffusion, substances move from an area of higher concentration to an area of lower concentration down a concentration gradient. Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. Facilitated diffusion involves the use of carrier proteins or channel proteins to move substances across the membrane.
water plant siver gold. Which of these materials are minerals?
Native gold is an element and a mineral
Short answer: Silver and Gold found in rock formations (mostly)
Water is a liquid solvent
Plant life has minerals in it, but plants are made mostly of organic cells.
Which belt is a global wind belt found in the middle latitudes ?
A. Doldrums
B. Jet stream
C. Trade winds
D. Prevailing westerlies
Prevailing westerlies belt is a global wind belt found in the middle latitudes.
Predominant winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude are known as the westerlies, anti-trades, or prevailing westerlies. They steer extratropical cyclones in this general way, beginning in high-pressure regions at horse latitudes and moving toward the poles.
Consequently, the polar easterlies are the result of air movement in the polar cell circulation. The predominant westerlies are the result of air movement in the circulation cell that exists between 60° and 30° north.
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Cell structure and transport study guide
12) B. The organism would suffer as its cells would be less able to provide the energy needed to carry out life functions.
13) D. The central vacuoles in the cells lose water and can no longer help support the cells.
14) A. It acts as a framework inside the endoplasmic reticulum and keeps it from collapsing.
15) D. The cell's energy level will diminish as the enzyme decreases.
16) C. Whales are able to conserve oxygen better than humans.
17) A. Glycolysis
18) i dont know this one but maybe B
19) B. It is turned into more chlorophyll for the plant.
20) B. The chloroplasts would be unable to generate ATP.
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Final answer:
Cell structure and transport refer to the components of cells and the mechanisms they use to move substances across the cell membrane. This includes the semi-permeable cell membrane structure, passive and active transport processes, and role of the cytoskeleton in cell organization and movement.
Explanation:
Cell Structure and Transport
The study of cell structure and transport mechanisms is a fundamental aspect of high school Biology. Cells are the basic units of life, and understanding their structure and function is essential for grasping wider biological concepts. The cell membrane plays a crucial role in maintaining a cell's environment through its selective permeability, which allows certain substances to pass while excluding others, contributing to cell homeostasis.
Components of Cell Structure
Key components include the cell membrane, cytoplasm, cytoskeleton, and in eukaryotic cells, organelles such as the nucleus, mitochondria, and endoplasmic reticulum. The cytoskeleton helps organize the cell, enables cell movement, and transports materials.
Transport Across Cell Membranes
Transport mechanisms across the cell membrane include passive transport (such as diffusion and osmosis), which does not require energy, and active transport, which does require energy to move substances against their concentration gradient. Additionally, bulk transport methods like endocytosis and exocytosis move large particles or volumes.
DNA is coiled into chromosomes in a cells what ?
DNA is coiled into proteins,,,,which makes up ur DNA (about 6,400,000,000 basepairs (DNA building blocks) that make up your DNA) basically...and...The way DNA is packaged into chromatin is a factor in how protein production is controlled. so in your nucleus....AGAIN....DNA IS KEPT OR COILED AROUND PROTEIN YET KEPT IN UR NUCLEUS... :)
... i hope this helps somewhat..
chromosome is made up of DNA tightly coiled many times around proteins called histones. protein is kept inside your nucleus
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accelerate to the left: bottom right box
middle right box
accelerate to the right: bottom left box
top right box
top left box
no acceleration; middle right box
Accelerate to the left:
A rope experiences three 400 N forces to the left and three different 410 N forces to the rightAccelerate to the right:
A skateboard is pushed up a hill with a 90 N force to the left and experiences a gravitational force of 100 N to the rightA box experiences a 20 N force to the left and two different 8 N forces to the rightWill not accelerate:
A car experiences a 300 N force to the right from the engine and separate 150 N force due to friction and air resistance to the left.A bottle rocket experiences a 500 N force to the right and 300 N of air resistance to the leftA box experiences a 20 N force to the left and a 19 N frictional force to the rightWhat is accelerationAcceleration is a fundamental concept in physics that describes the rate of change of an object's velocity with respect to time. It represents how quickly an object's velocity (speed and/or direction) changes.
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