Why should surrogacy be legal in Norway?
Answer:
Norway has strict regulations on artificial insemination, and surrogacy is illegal, but life seems to find its way. One estimate is that more than 150 Norwegian children have been born by surrogacy, in countries such as India and the United States
Explanation:
Please do let me know if the image is too blurry to be read. Do also double click on the image as this sometimes resolves the issue.
Answer:
its too blurry
Explanation:
What relationship exist between amino acid and protein?
Explanation:
When connected together by series of peptide bonds, amino acids form a polypeptide, another word for protein. The polypeptide will then fold into a specific conformation depending on other interactions (dashed lines) between its amino acid side chains.
Amino acids are the subunits or monomers of proteins i.e. proteins are made up of amino acids.
WHAT ARE PROTEINS?
Proteins are one of the four major biological molecules in nature. Proteins are polymeric compounds made up of long chains of structures called AMINO ACIDS. Amino acids come together in a chemical reaction called CONDENSATION REACTION to form complex protein molecules. Each amino acid is linked to one another by a covalent bond called PEPTIDE BOND. Peptide bond is a kind of covalent bond that links two amino acids together. It forms between the amino group (-NH2) of one amino acid and carboxyl group (-COO) of anotherHence, amino acids are monomeric units of protein molecules.
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A boy is anchored to the ocean floor a large wave approaches the boy how will the boy move as the wave goes by
Answer:
The buoy will move because the wave will push it.
Explanation:
CELLS
Question
Answer
1.A cell is "the smallest unit of life".
Explain what that means in your own
words.
2. What does Unicellular mean?
3. What does Multicellular mean?
4. Give 3 examples of different cell types
(look at the pictures)
Answer:
1.its microscopic and it is the building block to every organism
2. unicellular means 1 cell or type of cell
3. Multicellular means multiple cells or types of cells
4. prokaryotic, eukaryotic?
If a parent cell has 20 chromosomes, how many daughter cells will it have if the cell divides by Mitosis?
Answer:
After mitosis, the daughter cell has 20 chromosomes and after meiosis, the daughter cell has 10 chromosomes.
Answer:
10 chromosomes
#CarryOnLearning
At which latitudes do we find Earth's major deserts?
Answer: Around 30-50 degrees of latitude. This is roughly right above and below the equator.
How are rivers made ?
Answer:
Rivers usually begin in upland areas, when rain falls on high ground and begins to flow downhill. They always flow downhill because of gravity. They then flow across the land - meandering - or going around objects such as hills or large rocks.
Explanation:
Hope this helps!
Answer:
A river is created when water moves from higher elevation to lower elevation. It usually goes downhill, and can join with other rivers. The river ends when it flows into an ocean.
I hope this helps!
Why does sexual reproduction result in offspring with genetic variation? Use the examples that you studied to support your answer.
Answer:
Sexual reproduction results in offsrping with genetic variation due to the multiplication brings about limitless prospects of hereditary variety. The examples, that can be studied to support this would be at the end of the day, sexual generation brings about posterity that are hereditarily extraordinary. They vary from the two guardians and furthermore from one another. This happens for various reasons.
Explanation:
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The country of Wakanda has 100,000 citizens living on a land with an area of 100 sq. mi. What is the population density of Wakanda?
Answer:
1000 people per sq. mi
Explanation:
All you need to do is divide.
plz help me with this problem need help filling this in.
Go Deep! Look at the Parent Chromsomes and Key pictured below. Would it be possible for these parents to have a daughter with Hemophilia?
Answer: No, the daughter will be a carrier only.
Explanation: Hemophilia is a sex-linked recessive disorder. The recessive gene is carried on the X chromossome. Males have only one X chromossome, while females have 2. So, for a male individual to have hemophilia, it only needs the recessive gene to be on the X chromossome. In a female, the disorder is expressed when both X chromossomes has the recessive gene.
In the Parent Chromossomes picture shown, the father's X chromossome doesn't have the gene for hemophilia and the mother is heterozygous for the trait, i.e., she carries the recessive gene.
A daughter will inherit an X chromossome from the father and an X chromossome from the mother.
In this family, the daughter will inherit the X with dominant gene H for the father and has a possibility of inheriting another dominant gene H or recessive gene h from the mother.
For the daughter to be hemophiliac, she has to inherit 2 recessive genes. Since in either case she won't, she only inherits 1 recessive gene, the daughter will be a carrier for the trait, not have the disease.
WHICH ONE IS IT??? AHHH
Answer:
b
Explanation:
Answer:
ecology? bc I don't think it's healthy or food chain
Explain the connection between nitrogen-fixing bacteria and the use of
fertilizer.
Answer:
They contain symbiotic rhizobia bacteria within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants; this helps to fertilize the soil
Multiple Choice
Which of the following is typical of aerobic respiration?
decreases a plant’s weight
contains two stages, glycolysis and fermentation
produces methane as a byproduct
produces little energy
Answer:
decreases a plant’s weight
Explanation:
Aerobic respiration is a process of respiration in which oxygen is required and the byproducts of aerobic respiration are carbon dioxide, water and energy.
Plants undergo aerobic respiration and it is a catabolic process in which complex compounds in plants turns into simpler compounds. This process reduces the dry weight of the plants.
Glycolysis is the first step in both aerobic and anaerobic respiration so it is not a typical aerobic respiration.
Hence, the correct answer is "decreases a plant’s weight".
2. What is the name of the moist "ball" of saliva and food that results from the start of digestion in the mouth?
A. epiglottis
B. Ochyme
C. bolus
D. bile
Hii..
Plzz answer..
Note the relationship between the first two words and suggest the suitable word(s) for the fourth place.
Ques. - Axons : Nerve :: Cytons : .......
Which statement is the most accurate regarding the first stage of photosynthesis?
Answer:
1. A 2.B 3.B 4. C 5.5.
Explanation:
where the photosynthesis occured
Answer:
In plants, photosynthesis takes place in chloroplasts.
Answer:
the chloroplast
Photosynthesis occurs in the chloroplast, an organelle specific to plant cells. The light reactions of photosynthesis occur in the thylakoid membranes of the chloroplast.
Explanation:
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A spaceship to the moon covered the 386,400 km in 72 hours. What was the average speed?
Answer:
1.49 m/s; 5.367 × 10⁶ m/hr
Explanation:
Calculations: (This was my thought process, sorry)
386400 km ÷ 72 hr ≈ 5367
5367 × 1000 = 5.367 × 10⁶
5.367 × 10⁶ ÷ 3600 ≈ 1.49 m/s
About 5367 km/hr or 5.367 × 10⁶ m/hr or 2.592 × 10⁵ m/s
Have a great day!
Purple flower color (P) is dominant over white flower color (p) in pea plants. A heterozygous pea plant with purple flowers is crossed with another heterozygous pea plant with purple flowers.
What will be the phenotypes, and probabilities of their offspring?
Question 11 options:
75% purple and 25% white
100% purple
100% white
50% purple and 50% white
Answer:
75% purple and 25% white
Explanation:
When a punnett square is drawn to predict the phenotypes of the pea plants offspring:
- only 1 out of the 4 squares gave the result for the offspring to have white flowers (1/4 = 25%)
- 3 out of the 4 squares gave results for the offspring to have purple flowers (3/4 = 75%)
How many sperm cells are formed from an original cell in a Drosophila fruit fly at the conclusion of meiosis?
O A. two haploid sperm cells
O
B. two diploid sperm cells
O C. four haploid sperm cells
D. four diploid sperm cells
Answer:
Answer: Four sperm cells.
Explanation:
Explanation: Meiosis is is a cell division process that generates four haploid cells (gametes) from a single diploid germline cell.
In the drosophila fruit fly, four haploid sperm cells are produced from a single original parent cell. The germ cells undergo meiosis to form gametes. Thus, the correct option is C.
What is Meiosis?Meiosis is the reductional division through which four daughter cells are produced from a single parent cell. The gametes are produced from meiosis. The gametes produced from a diploid cell are haploid in the number of chromosomes in cells. Both male and female gametes undergo fertilization to form diploid zygote.
Meiosis is divided into two parts- Meiosis I and Meiosis II. Both the parts comprises of four phases- Prophase, Metaphase, Anaphase, and Telophase. The chromatids undergo crossing over with non-sister chromatids to form recombination in cells.
Therefore, the correct option is C.
Learn more about Meiosis here:
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please help me
Which statement best describes the role of lichens in ecological succession?
A. They replace smaller trees and shrubs that need less sunlight.
B. They add nutrients to the soil and hold the soil together with roots.
C. They release acids that help break down bare rock to form soil.
D. They use nitrogen from the air to make nutrients that plants can use.
Answer:
C. They release acids that help break down bare rock to form soil.
Explanation:
Quiz Verified
Please help me I can’t fail please fast
Answer:
C
Explanation:
Spores are single-celled and seeds have multiple cells
The heavily muscled men and straining poses of Rubens's Elevation of the Cross are evidence of Rubens's emulation of which Renaissance master?
what are ionic bonds?
how to Draw skeletal system of human body
please give me some concept to Draw it
Explanation:
Here there is a image of skeleton system u can draw it
Which is an example of how the peripheral nervous system helps the body maintain
O Muscles produce keratin so that hair can grow stronger.
O Sweat glands break down the food that is consumed.
O Muscles contract rapidly to produce heat on a cold day.
O The brain recalls information to help take a test.
Answer:
C. Muscles contract rapidly to produce heat on a cold day.
Explanation:
CORRECT
Answer:
O Muscles contract rapidly to produce heat on a cold day.
Explanation:
Hope this helps
• What does the Human Genome Project decode?
• How is that code represented?
• What has the project revealed about the differences between humans and bananas?
• What questions does the Human Genome Project raise for you?
• What are outliers, and what is their value in understanding disease?
• How can a genetic mutation be advantageous?
• How is the knowledge of mutations being used to combat the HIV virus?
In this activity, students learn about the Human Genome Project. They do an interactive Web activity which simulates the process scientists use to determine the sequence of chromosomal DNA bases. Then they learn how two teams of scientists raced to decode the human genome. Next they explore a stretch of sequenced DNA on the Web to learn about the function of different sections of DNA code. They learn how knowledge of the human genome is being applied to medicine. They also learn about genetic variation among humans and between humans and other species. Finally, they assess what they have learned about the Human Genome Project by playing a game of Jeopardy.
Objectives
Learn about the purpose and work of the Human Genome Project
Describe the process of sequencing human DNA
Understand the functions of different stretches of code on a chromosome
Recognize the similarity in the genetic code among humans and between humans and other species
Learn how the Human Genome Project can contribute to curing diseases
Suggested Time
1-2 class periods
Multimedia Resources
Human Genome Project QuickTime Video
Sequence for Yourself Flash Interactive
The Sequencing Race Begins QuickTime Video
Explore a Stretch of Code Shockwave Interactive
HIV Immunity QuickTime Video
Genetic Variation QuickTime Video
Genome Facts HTML Document
Jeopardy Game Show PDF Document
Extract Human DNA from Cheek Cells HTML Document
Use these resources to create a simple assessment or video-based assignment with the Lesson Builder tool on PBS LearningMedia.
Materials
Jeopardy Game Show (PDF) review
Before the Lesson
Review the concepts of and relationships between DNA, genes, proteins, chromosomes, and traits.
After the Lesson
Do a wet lab in which students extract their own DNA from a cheek cell (see Extract Human DNA from Cheek Cells activity).
The Lesson
Part I
1. Show the Human Genome Project video. Discuss the following:
What does the Human Genome Project decode?
How is that code represented?
What has the project revealed about the differences between humans and bananas?
What questions does the Human Genome Project raise for you?
2. Now have students explore the DNA sequencing process by doing the Web activity Sequence for Yourself. Use the following questions to elicit student responses, either in writing or as part of a whole-class discussion:
Why does the DNA have to be cut into pieces? How is this done?
How are DNA copies made in the lab?
How do primers and special fluorescent nucleotides help determine the DNA sequences?
How does the overlapping of DNA segments allow the entire sequence of a DNA molecule to be read?
3. Show video The Sequencing Race Begins. Ask:
What is the process for sequencing the human genome?
How has the way scientists read the genetic code changed in recent years?
Why is the map of the human genome considered only the beginning of the Human Genome Project?
4. Have students Explore a Stretch of Code and take notes as they do it. Then ask the following and discuss as a class:
What does the majority of the DNA in chromosomes code for?
What is the role of gene promoters like TATA boxes?
How does the "machinery" of the cell know where to begin reading the gene?
What are exons, and what is their function in the chromosomes?
What are introns, and what do they do? What happens to them when DNA is transcribed into mRNA?
What are the roles of "hitchhiking" and ancient code in human DNA, and where did they come from?
How alike is the DNA from two different humans?
What is a gene, and what role do genes play in the human body?
5. Show the video HIV Immunity to examine some of the benefits of mapping the human genome. Ask:
What are outliers, and what is their value in understanding disease?
How can a genetic mutation be advantageous?
How is the knowledge of mutations being used to combat the HIV virus?
6. Show the video Genetic Variation and discuss the following:
Whose genes are being sequenced in the two human genome projects?
Are these genes representative of the human species? Why or why not?
What is the percentage of genetic difference between any two humans?
What does the similarity of basic functions between different organisms indicate?
7. Finally, have students read the Genome Facts document. Have students use these facts and what they have learned about the Human Genome Project to create a series of answers and questions for a Jeopardy quiz show. (
Chemical formulas can have three components. Help me with the worksheet plz.
Answer:
1.the elements
2. subscripts
3.right
4.atoms
5.one
6.brackets
7.multiplied
8.subscript
9.right
Explanation: