Answer:
b,c,f.
Explanation:
Meiotic cells in the parents create haploid gametes, which combine during fertilizations to create a diploid organism. Each parent contributes roughly half of each individual's DNA sequence. So, the correct option is D.
What is Meiosis?Meiosis is a sort of cell division that takes place in an organism's gametes, which are its reproductive cells. In the course of meiosis, the parent cell divides twice, creating four haploid daughter cells (gametes) with only one set of chromosomes in each. As a result, just a portion of the genetic material found in the parent cell is present in each gamete.
A zygote, a diploid cell with a full set of chromosomes (half from each parent), is created during fertilisation when two haploid gametes—one from each parent—combine. As a result, each parent contributes around half of a person's DNA sequence.
Therefore, the correct option is D.
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Which two systems work together to make and carry white blood cells to a site of injury in the body?
Answer:
immune system
Explanation:
white blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).
Please help ASAP!!
What threatens and endangers a bird nest and coming out babies?
Answer: Other Predators
Explanation:
Answer: Predators, constant human contact etc
Explanation:
When humans regularly visit a nest it leaves a scent trail for predators to follow, and if the nest has been disturbed/ is being harassed by other bird/predators that may be another reason why.
Carrier proteins have the ability to change shape and physically move molecules across the cell membrane. True or false
Answer:
True
Explanation:
Carrier proteins are the proteins which can help move some substance down their concentration gradient and they can do that by changing their shape while transporting substances across cell membranes. They are responsible for active transport of materials into or out of the cells.
How is Harriet’s feeding of the non-native squirrel similar to other human interactions in the natural world
The book is their a hair in my dirt.
Answer:
(^-^) down below
Explanation:
It has a similarity because the non-native squirrel is part of the interactions in the natural world. It shows the contrasts and comparasions of animal life and other interconnections.
Help pls :,) 50 points!
Answer:
It will most likely decrease.
Explanation:
Answer:
It will decrease
Explanation:
Nucleotides combine to form
(0.5 Points)
Protein
DNA. Carbohydrates
Glucose
Answer:
because it can bond to 4 other atoms at the same time to make carbohydrates, lipids, nucleic acids, and proteins. ... Circle the nitrogen base found in DNA but NOT RNA is ............. . ... Which 2 kinds of molecules combine to form cell membranes? ... SUGAR. N-H. PROTEINS. TRUE or FALSE. Circle T if the statement is TRUE.
Missing: (0.5 | Must include: (0.5
Explanation:
Sorry if u Have to Read All of This but i Like Typeing Long
Answer is in the paraghs
How quickly does the process of excretion occur in plants?
Explanation:
Plants produce two gaseous waste products i.e. oxygen during photosynthesis and carbon dioxide during respiration. Excretion of gaseous waste in plants takes place through stomatal pores on leaves. ... Excess of water is also excreted from the plant body through the stomatal pores and from the surfaces of fruits and stems.
property of materials requiring a transport protein to cross
the plasma membrane.
For a crossword puzzle
certain molecule
Explanation:
i searched it
in your own words, what is the definition for substrate with enzyme.
Answer:
an enzyme substrate is the material upon which an enzyme acts.
Explanation:
Man-made ozone at Earth's surface, bluish in color, and can cause breathing difficulty is
what form of ozone?
Answer:
Bad form.
Explanation:
Bad form of ozone causes breathing difficulty due to its availability near the surface of earth and its composition. Ozone is not emitted directly into the air, it is created due to the chemical reactions between oxides of nitrogen and volatile organic compounds. When these pollutants react with each other in the presence of sunlight, ozone is produced which leads to difficulty of breathing as well as damages the vegetation so this ozone is considered as bad ozone.
Jamal recently went on a Northern Lights tour to see the auroras in Iceland. How could the tour guide best describe what creates the aurora?
A
The aurora is created when lighting gets trapped in clouds.
B
The aurora is created when a solar storm reaches Earth’s atmosphere.
C
The aurora is created when temperatures in Earth’s atmosphere increase.
D
The aurora is created when Earth is located directly between the sun and moon.
At what location on the mountain is the relative himidity probably 100%
Explanation:
On which side of the mountain and at which elevation is the relative humidity probably 100%? The air temperature on the leeward side of the mountain at 1.5-kilometers level is higher than the temperature at the same elevation on the windward side.
A forest fire can have which of the following positive effects? A. Provides heat mammals need in colder seasons. B. Increases annual rainfall by forming more clouds C. Clears underbrush to allow new plants to grow. D. Drives away predators that eat smaller animals.
food for the cattle is known as?
Ans fast
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Answer:
Most cattle in the US have a fodder that is composed of at least some forage (grass, legumes, or silage). In fact, most beef cattle are raised on pasture from birth in the spring until autumn (7 to 9 months). For pastured animals, grass is usually the forage that composes the majority of their diet.
Food for the cattle is know as Fodder
A mother's body undergoes many changes to accommodate the developing fetus during pregnancy. Most doctors blame this discomfort on an increase of hormones in the body. Which two organ systems contribute to increased itching and stretch marks during pregnancy?
Answer:
1. Integumentary System
2. Digestive System and Endocrine System
Explanation:
An organ system combines multiple organs to perform one or more biological functions.
The integumentary system which human skin, is an organ system that protects the outer body. So the stretch marks women experience during pregnancy are evident on the skin, and since it was mentioned in the question that "A mother's body undergoes many changes to accommodate the developing fetus during pregnancy" it can be concluded that the skin stretched due to fetus development.
The digestive system here, the liver, can get disordered by a liver disease known as Cholestasis, which alters the flow of bile produced by the liver for digestion and can lead to bilirubin buildup poisoning blood and causing itchiness that can be experienced during pregnancy.
The Endocrine system is the Hormone center of the body, it affects the mood, and can cause itchiness too.
Definition: This would be any living thing's mother and father.
A truck accidentally leaks a large amount of oil into the habitat where flamingos, shrimp, and algae live. The oil spill resulted in most of the shrimp and algae dying off. How will this affect flamingos?
Answer:
if the shrimp and algae died off then the flamingos wont have any food and will also die off
Explanation:
When doing a two-trait cross, the genotypes of the parents require how many letters? A) one B) two C) three D) four
Answer:
D) four
Explanation:
When doing a dihybrid cross, it's assumed that there is two alleles for each gene. Two traits requires two genes, and two genes requires four alleles, or "letters"
The genotypes of the parents require ( D ) : Four
A two-trait cross ( dihybrid ) is a cross between 2 individuals who are heterozygous at 2 loci
example of a two-trait cross
dihybrid cross between Tall plants with Brown flowers
genotype for each plant ( heterozygous ) = TtBb
Therefore the cross = TtBb * TtBb
where : T ( tall ) = dominant
t ( dwarf ) = recessive
B ( brown ) = dominant allele
b ( white ) = recessive
Hence the parents genotypes will require 4 letters ( TtBb * TtBb )
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Variations within a species are an important part of Charles Darwin's theory of evolution. Which example can be explained by individual variation?
The food source in a lake is not enough to support the bass population, but it can support the trout.
A population of brown bears has doubled in the past 10 years as its habitat size has increased.
Owls and foxes compete fiercely against each other for small rodents in their habitat.
Brightly colored cardinals are better able to survive and to reproduce than darker cardinals.
Answer:
Brightly colored cardinals are better able to survive and to reproduce than darker cardinals.
Explanation:
Variation definition- any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation). Variation may be shown in physical appearance, metabolism, fertility, mode of reproduction, behavior, learning and mental ability, and other obvious or measurable characters.
The brightly colored cardinals are able to survive and reproduce because of variation in a species. Your question states "Variations within a species", so with that clue we can eliminate A and C (examples of competition) And B does not mention variation in a species. So we can conclude that D is the correct answer, since the brighter cardinals are able to survive and reproduce better than the darker cardinals, this is an example of Variation.
Due to variation, brightly colored cardinals are better able to survive and reproduce than darker cardinals. The correct answer is d) Brightly colored cardinals are better able to survive and reproduce than darker cardinals.
What is the variation?Any difference between cells, individuals, or populations of organisms of any species that result from genetic variations or from the influence of environmental circumstances on the manifestation of the genetic potentials (phenotypic variation) is referred to as variety. Physical characteristics, metabolism, fertility, mode of reproduction, behavior, learning, and mental capacity, and other evident or measurably different characteristics can all vary.
Natural populations exhibit variation, and every population has more offspring than the environment can support. The result of this overproduction is that those people who have the highest level of environmental genetic fitness will have kids who are better able to compete in that environment.
Variation within a species allows for the survival and reproduction of the vividly colored cardinals.
Therefore, the correct answer is d).
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A Pro-golfer was seen taking a nap in a golf cart. While sleeping, their foot slipped and that cart began to accelerate across the golf course up to 9 m/s in 3s. What was the cart’s acceleration? Show all your calculations and include units. Be sure to list out your variables, show all your work, and box your final answer as practiced in class.
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Any ball traveling through the air is going to be pulled toward Earth by gravity. Its movement will also
be slowed by friction. Explain how air molecules cause this friction.
Answer:
object slows down), the way in which we calculate a drag force will be slightly different. .and “coefficient of drag , is it easy for objects to move through it
Explanation:
Answer:
by rubbing with air there would be a force against motion
Explanation:
Which statement explains how producers are dependent upon consumers for their survival?
A. Consumers supply oxygen for producers to undergo aerobic respiration.
B. Consumers provide chemical energy needed by producers for cellular respiration.
C. Consumers produce carbon dioxide for producers to use during photosynthesis.
D. Consumers make lactic acid that producers use in photosynthesis.
Answer: it's c
Explanation:
The statement that explains how producers are dependent on consumers for their survival is "Consumers produce carbon dioxide for producers to use during photosynthesis," which is present in the option C.
What is the importance of the consumer?The ecosystem must have both the consumer and the producer, as neither can survive if one gets eliminated from the ecosystem. The producer makes oxygen and glucose by taking the carbon dioxide that is released by the consumer, and in an ecosystem, there are many types of consumers, such as herbivores and carnivores. The consumer depends upon the producer for oxygen and food, while the producer depends upon the consumer and decomposer too.
Hence, the statement that explains how producers are dependent on consumers for their survival is "Consumers produce carbon dioxide for producers to use during photosynthesis," which is present in the option C.
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What are Gametes cells?
Answer:
I think Gametes are mature male or female reproductive cells that fuse together resulting in a zygote during sexual fertilization. The key difference between somatic cells and gametes depends on the ploidy of the genome. Somatic cells consist of diploid (2n) genome while gametes consist of a haploid (n) genome.
Hope it help you!:)
Answer: Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. ... In contrast, each egg cell, or ovum, is relatively large and non-motile.
Explanation: Hope this help :D
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Answer:
Option 3
Explanation:
its option 3 because those big patches are actually the result of erosion of the rocks
Simone cut a large blossom into several small pieces and re-wired the pieces to create small flowers. What is this technique called?
O Feathering
O Wiring
O Extending
O Pruning
Answer:
O Feathering
Explanation:
Feathering refers to the technique by which large flowers are cut into small pieces, which are then used to create smaller flowers. Feathering consists of removing the petals and wire the petals in order to create a smaller form. Carnations are a type of flower in which feathering is applied. This process was widely used by florists in the past but currently is uncommon due to the excessive time and labor involved in this technique.
0 Effects of oil discharged into the ocean
Explanation:
Oil spills at sea are generally much more damaging than those on land, since they can spread for hundreds of nautical miles in a thin oil slick which can cover beaches with a thin coating of oil. These can kill seabirds, mammals, shellfish and other organisms they coat.
Depending on the circumstances, oil spills can be very harmful to marine birds, sea turtles and mammals, and also can harm fish and shellfish. Oil destroys the insulating ability of fur-bearing mammals, such as sea otters, and the water-repelling abilities of a bird's feathers, exposing them to the harsh elements.
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Answer:
presence of the placenta (mammals)
Explanation:
Cat and dogs are two species that belong to the group of placental mammals (class Mammalia). Some phenotypic traits that are exclusive of mammal species include, among others, mammary glands, presence of hair or fur, sweat glands, specialized teeth, etc. A phylogenetic tree is a representation of the evolutionary relationships among different groups/taxa. Moreover, cats and dogs represent two different species of placental mammals, which are characterized by the presence of the placenta (an organ that facilitates the exchange of nutrients during gestation). In this case, the remaining two branches in the phylogenetic tree (branches from left to right) separate from more closely related to less closely related taxa that diverged from the same ancestral node.
Which of the following happens in the G1 Phase of the Cell Cycle?
A.) The organelles duplicate
B.) DNA replicates
C.) Specialized structures for cell division are assembled
D.) The cell splits in two daughter cells
Answer:
DNA REPLICATES
Explanation:
During G1 phase, the cell grows in size and synthesizes mRNA and protein that are required for DNA synthesis. Once the required proteins and growth are complete, the cell enters the next phase of the cell cycle, S phase.
Which of the following scenarios is representative of how agricultural practices can affect the environment?
Explanation:
bush burning - more carbon released into the atmosphere
deforestation - reduction of population of specific species of trees
crop rotation - more nutrients conserved in the soil
afforrestation -less amount of carbon in the atmosphere(cleaner air)
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Answer:
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