Word bank
• sexual reproduction
• diploid
• unique daughter cells
• gametes
• meiosis
• unique
• haploid
• zygote
• identical daughter cells
• mitosis
Answers
Answer:
Meiosis is a process in which sex cells, also known as gametes are made. Meiosis is different from mitosis in a lot of ways, one being that mitosis creates identical daughter cells and meiosis creates unique daughter cells. Meiosis is important because it allow for the creation of a meiosis nucleus. Cells produced by meiosis will be used in haploid, where each member of the next generation is genetically unique.
Cells produced in sexual reproduction will have half of the genetic information of body cells and will be genetically unique. This is necessary because when a sperm and an egg fuse together in sexual reproduction. They form a zygote: the first body of a new individual.
The new individual will now have cells that are diploid, meaning they have two sets of chromosomes. They zygote will have to do a lot of mitosis allowing it to grow quickly and ensure that all of its cells are genetically unique.
Related Questions
Give 3 examples of convection currents in nature
Mechanism of Energy Transfer Requires direct contact? Requires a medium?
Conduction yes
Convection
Radiation
IMA GIVE BRAINLIEST!
Answers
Answer:
1.Radiator
2.Steaming cup of hot tea
3.Ice melting
Explanation:
1.Puts warm air out at the top and draws in cooler air at the bottom.
2.The steam is showing heat being transfered into the air.
3.Heat moves to the ice from the air. This causes the melting from a solid to liquid.
Explanation:
If a female spinach plant with flat (FF) green (GG) leaves is crossed (pollination and fertilization occur) with a male spinach plant with crinkly (ff) purple (gg) leaves, what allelles and traits will the offspring inherit?
B) This is an example of what type of reproduction?
Answers
B) sexual reproduction
———-
Explanation:
F F
f Ff Ff all offspring will have flat leaves
f Ff Ff
G G
g Gg Gg all offspring will have green leaves
g Gg Gg
All offspring will inherit Ff and Gg and will have flat and green leaves.
B) sexual reproduction
fill in the gaps plzzz
Vasoconstriction and Vasodilation
__________ carries heat from the core around the body.
As blood flows through the ______________ close to the surface of the ______, heat is lost to the body’s surroundings.
The __________________ which supply the capillaries in the skin have smooth _________ in their walls. This means that the arterioles can dilate or constrict to ____________ the flow of blood into the capillaries.
Answers
Answer:
Blood
vessels (arteries), skin
vessels (arteries), smooth muscular cells, regulate
Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers.
A. The increases in carbon dioxide are caused by human activity.
B. The increases in carbon dioxide can be explained by the Milankovitch cycle.
C. The rate of change in carbon dioxide is exponential.
D. The changes are triggered by a new interglacial period.
Answers
Answer:
A and C
Explanation:
A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.
Bobcats are generally solitary and establish territories of a certain size where they hunt for food. What type of population dispersion would you expect bobcats to have?
Answers
Answer:
Uniform dispersion.
Explanation:
The bobcats' population distribution would be a uniform dispersion because they are distributed in an area in a balanced way. That is to say, that there is space between them and that each bobcat establishes its personal space when hunting and for their daily life. As they are solitary animals, they do not live in groups and only associate with other bobcats to reproduce themselves.
What is a molecule in your own words?
Answers
Answer:
A molecule is two or more atoms bonded together to form a single chemical entity.
Hi! Can someone please help with this question ASAP. thanks
What are the 3 pillars of sustainability. Provide examples as well.
Answers
Answer:
economic viability, environmental protection and social equity.
Explanation:
What will be the effect of the damaged DNA? The role of p53 in regulating cell cycle prpgression in response to DNA damage
Answers
Answer:
Damaged DNA causes an increase in the number of mutations in the cell: this is extremely dangerous for the body and in fact this process is at the basis of the birth of cancer cells.
To avoid this, the cell is equipped with some molecular protective systems including the activation of the p53 protein. p53 induces recruitment of DNA damage repair systems and stops cell replication until the damage has been repaired. If the damage cannot be repaired p53 induces cell death through apoptosis
If a mosquito cell has 3 chromosomes, is it haploid or diploid?
Answers
Answer:
If an orangutan cell had 24 chromosomes, then the cell is diploid or haploid (circle one). If a mosquito cell had 3 chromosomes, then it would be a gamete or a somatic cell (circle one).
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All mosquitoes have six diploid chromosomes (2N = 6), and their chromosomes are either submetacentric or metacentric, mosquito cell has 3 chromosomes and is haploid.
What is the difference between haploid and diploid?Three pairs of chromosomes make up the Anopheles mosquito's chromosomal complement: two sex chromosomes As a consequence, when a sperm and egg cell join during fertilization, the resultant zygote has 46 chromosomes.
The number of chromosomes and their shape in mosquitoes are extremely similar mosquito cell has 3 chromosomes, and are haploid.
Therefore, to go from haploid to diploid cells, we only need to double the number of chromosomes. This quantity is denoted by the abbreviation 2n, where n is the number of chromosomes.
Learn more about chromosomes, here:
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Period 6 2-25 What percent of offspring from two heterozygous parents will have the dominant phenotype? William Brown. Feb 24 100 points please help
Answers
Answer:
75%
Explanation:
If both parents are heterozygous (Ww), there is a 75% chance that any one of their offspring will have a widow's peak (see figure). A Punnett square can be used to determine all possible genotypic combinations in the parents. A pedigree that depicts a dominantly inherited trait has a few key distinctions.
What cell part supports the structure of the system plant cell
Answers
Answer:
The cell wall provides strength and support to the plant, much like the exoskeleton of an insect or spider (our skeleton is on the inside of our body, rather than on the outside like insects or spiders). The plant cell wall is mainly made up of the carbohydrates molecules cellulose and lignin.
Explanation:
learned this last year
Which of the following does not act as an agent for transporting sediment? O A. Strata B. A light breeze C. Stream water D. A glacier
Answers
Answer:
A.Strata
Explanation:
A strata is covering or layers
Answer:
strata
Explanation:
a p e x
9
Select all the correct answers.
Based on these images, what can you conclude about the organisms?
C
C
Organism 1 Organism 2
Organism 3
Organism 4
Answers
Answer:
b d
Explanation:
What is the term for organisms that consume other organisms for food like animals, some bacteria, and fungi?
Group of answer choices
heterotrophs
autotrophs
herbivores
omnivores
Answers
Answer:
Heterotrophs
Hope this helps!
Why : A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.” Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients: autotrophs and heterotrophs.
After a devastating forest fire, the surrounding area contained no life. After some time, small plants began to grow along the remaining soil.
Answers
Answer:
Yes.
Explanation:
Yes, small plants began to grow along the remaining soil because of the presence of seeds in the soil that sense suitable environmental condition and come out of the soil. The ashes of burn trees have huge amount of nutrients in the form of minerals that triggers the growth of small plants. After the destruction of forest, new plants grow on that land, this type of phenomenon is called ecological succession.
Answer: CORRECT (SELECTED)
Secondary succession
Explanation:
Secondary succession occurs when a previously occupied area is recolonized after a disturbance kills most, or all, of its community.
PLZZZ HELP ASAP DUE TMR THX
Answers
Answer:
I'm not rlly sure but i think the bigger animal ate the smaller one because after there are no more steps of him (the smallest)
Explanation:
If purple flowers are dominant to white flowers, and a heterozygous purple flower is crossed with a white flower, what is the probability that an offspring will be white? (Hint: draw a Punnett Square). Rr x rr
50%
25%
100%
75%
which one ^
Answers
The structure labeled A in figure 10-3 is called the?
also can someone help with 16 PLEASE !!
Answers
And 16: telomere
Why are seismic waves considered
mechanical waves?
A. They must travel through a medium, such as
the bedrock of the Earth.
B. They will only travel through empty space.
C. They travel in circles.
D. They do not require a medium.
Answers
Answer:
The correct answer is - option A.
Explanation:
The seismic waves are the waves that are the result of an explosion or the breaking of the rock within the earth. In other words, when these explosions or breaking cause an energy transfer within the earth are seismic waves. Seismic waves require a medium to travel and normally it is the earth.
The bedrock of earth is a great example of a medium for traveling these waves that make it a mechanical wave. Earthquake is the result of such waves.
A ray of light is passing through a medium making an angle of 45°. If the
refractive index of the medium is 1.4, calculate the angle of refraction. [Ans: 30°)
Answers
Answer: By Snell's law, we can see that the angle of refraction is 30.34°
Explanation:
Snell's law says that:
If a ray in a medium of refractive index n₁, insides with an angle θ₁ in another medium with refractive index n₂, then the angle of refraction θ₂ is given by:
n₁*sin(θ₁) = n₂*sin(θ₂)
We know that:
The incidence angle is 45°, then: θ₁ = 45°
We can assume that the first medium is air, then n₁ = 1
The refractive index of the other medium is 1.4, then n₂ = 1.4
Replacing these in the Snell's law equation we get:
1*sin(45°) = 1.4*sin(θ₂)
Now we can solve this for the angle of refraction:
sin(45°)/1.4 = sin(θ₂)
Asin(sin(45°)/1.4 ) = Asin( sin(θ₂)) = θ₂ = 30.34°
So the angle of refraction is 30.34°
When the environment favors extreme types in a population at the expense of
intermediate forms, this is an example of which category of natural selection?
Answers
Answer:
Disruptive or Diversifying selection
Explanation:
occurs when natural selection favors both extremes of continuous variation. Over time, the two extreme variations will become more common and the intermediate states will be less common or lost.
Which component makes each amino acid unique?
Amino group
Carboxyl group
R group
Phosphate group
Answers
Answer:
The best answer is R group. An R - group is a chemical group or side chain that is found attached to the central carbon in amino acids
Explanation:
R group
Explanation: thanks to the person above ^
And Magiic Jaaaay for asking the question! remember to stay safe, happy learning.
Civil engineers want to determine whether the porosity of surface soil affects aquifer recharge rates
Answers
Aquifer recharge is water that moves from the land surface or unsaturated zone into the saturated zone. Quantitative estimation of recharge rate contributes to the understanding of large-scale hydrologic processes. It is important for evaluating the sustainability of groundwater supplies, though it does not equate with a sustainable rate of extraction. Where contamination of an aquifer is a concern, estimating the recharge rate is a first step toward predicting solute transport to the aquifer. Recharge may cause a short- or long-term rise of the water table. Artificial drainage, e.g., with horizontal porous pipes buried at a chosen depth, is sometimes used to maintain a minimal thickness of vadose zone for agricultural or other purposes.
Recharge rates vary considerably in time and space. Recharge often occurs episodically in response to storms and other short-term, high-intensity inputs. For a given amount of infiltration, temporal concentration enhances recharge because it entails shorter residence times for water in the portions of the soil from which evapotranspiration takes place. Similarly, a larger fraction will become recharge if it is concentrated in narrow channels such as fingers or macropores, not only because this tends to hasten its passage through the unsaturated zone, but also because the water then occupies less of the volume of soil from which evapotranspiration takes place.
what is a population?
Answers
A normal woman who is a carrier for colorblindness marries a normal man. What types of offspring would you expect?
Answers
Answer:
half Normal half color blind
Explanation:
On punnett Square there are half dominat genes and half non dominant (sorry for the horrible explanation
Which best describe the structure of DNA?
Answers
Answer:
DNA structure
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
i would like help on this please
Answers
A
Explanation: chimpanzees have 0% difference from humans.
when the cell needs energy again, it can remove the third phosphate group from atp to _____ energy.
Answers
PLEASE HELP I FELL ASLEEP IN BIOLOGY CLASS!!?
Answers
Answer: Cell wall
Explanation:
Name two types of proteins that regulate the cell cycle. How do these proteins work?
Answers
Answer:
Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.
Explanation:
I hope this helps :)
The two types of proteins that regulate the cell cycle are Cyclins and Cyclin-dependent Kinases (CDKs). These two groups of proteins are responsible for the progress of the cell through various checkpoints.
What are Proteins?
Proteins are made up of hundreds or thousands of smaller units called Amino acids. They are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs.
Cyclins regulate the cell cycle only when they are bound to Cdks and become fully active. The Cdk/cyclin complex must be phosphorylated, which further initiates other proteins to be phosphorylated that advances the cell cycle.
Retinoblastoma (Rb), is another group of tumor-suppressor proteins that regulates the cell cycle by monitoring the cell size.
Therefore, there are two types of proteins that regulate the process of the cell cycle are Cyclins and Cyclin-dependent Kinases (CDKs).
To learn more about the Cell cycle, refer to the link:
https://brainly.com/question/8283140