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:

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

Meiosis is the reductional division which creates four daughter cells that have identical genetic information to the parent cells. Thus, the correct option is C.

Meiosis is a special type of cell division which is also called as reductional division. This division takes place in the germ cells in sexually reproducing organisms which results into production of gametes, such as sperm or egg cells. Meiosis involves two rounds of division which ultimately result in the formation of four cells with only one copy of each chromosome or half genetic content.

Meiosis is divided into two divisions: Meiosis I and Meiosis II. In which, Meiosis II is similar to Mitosis and Meiosis I involves the reduction of genetic material to half.

Therefore, the correct option is C.

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D. Trilobites

Trilobites made their entrance onto the Earth's stage during the late Cambrian Period. This is the first and oldest division of the Paleozoic Era.

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Answer:

A pons structure is a bulbous shape and has two main components - the basis pontis (aka basal/ventral part) and the pontine tegmentum (aka dorsal part). In Psychology the pons is the structure of the brain the acts like the "bridge"(Latin )  for the midbrain and medulla.

Explanation:

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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?

Hence, amino acids are monomeric units of protein molecules.

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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".

Some fungi and insects benefit each other; the fungi protect the insects from predators and the insects spread spores for the fungi. This is an example of a mutualistic relationship.

A mutualistic relationship may be defined as a +,+ type of interaction in which both species benefit from the existence of each other. Example includes lichens, mycorrhizae association, coral reefs, etc.

In the question, the Fungi protect the insects from predators and benefit the insects to get survivability, while in return insects spread spores for the fungi and assist them in their reproduction process.

Therefore, both insects and fungi undergo a mutualistic type of relationship through which both species benefit from the existence of each other.

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This could be wrong but, he said that we take 50% from each parent.

23 from mom and 23 from dad to make up the full 46. Each of those chromosomes carry a specific genetic code.

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B on edge

Explanation:

Answer:

B

Explanation:

Edge 2022

Answer: Around 30-50 degrees of latitude. This is roughly right above and below the equator.

Answer:

Energy is the fundamental need of our everyday life. ... This means that we can convert electrical energy into heat energy and light energy, solar energy can be converted to chemical energy, potential energy can be converted into kinetic energy, Gravitational potential energy can be converted into kinetic energy etc.

Explanation:

The Sun transforms nuclear energy into heat and light energy.

Our bodies convert chemical energy in our food into mechanical energy for us to move.

An electric fan transforms electrical energy into kinetic energy.

Answer:

C

Explanation:

Spores are single-celled and seeds have multiple cells

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. (

Answer:

Charakan

Explanation:

The odd one out would be Charakan.

Theophrastus, Carl Linnaeus, and Aristotle are all scientists that contributed to the science of classification of living organisms (taxonomy).

Aristotle was the first scientist to classify living organisms into plant and animal kingdoms based on the artificial system of classification.

Theophrastus was a student of Aristotle and he wrote a book, De Historia Plantarum,  classifying about 480 plants.

Carl Linnaeus invented the binomial system of naming living organisms in which organisms are given two names - the species and the genus name.

Charakan has no known contribution to taxonomy. Hence, the name is the only odd one.

Answer:

The correct answer is - option B. laws that improve air quality and restrict pollution.

Explanation:

The dark peppered moths were the adaption of the light peppered moths due to the change in the environmental condition of increased pollution that made tree bark dark in color and allows birds to easily prey on the light peppered moths.

This leads to natural selection and light moths become dark but the after Clean Air Act was that there was less pollution then there is less soot in the air, so trees were less black which result in the Light-colored moths would increase, and dark-colored moths would decrease.

Answer:

The trait being described is the ability to fly in rainy season.

Explanation:

The trait being described is the ability to fly in rainy season. The people with bat wings and people with bird wings are present in the population. The event lead to the change in allele frequency because the population of people with bird wings die due to starvation. Yes, the bat wings were adapted to that environment so they are able to survive. The change make the population less similar to other populations because population of people with bat wings increases as compared to other population. Yes, the new population change for the better of the ecosystem because the population is able to controls the population of other species in the ecosystem.

Answer: b. is the correct answer opposable

Explanation:

opposable: (of the thumb of a primate) capable of moving toward and touching the other digits on the same hand.

Answer:

C. They release acids that help break down bare rock to form soil.

Explanation:

Quiz Verified

This is true

May nilbin be with you

Answer:

CHEATING AHHHHHHH... WE cheating together tho

Explanation:

Explanation:

Here there is a image of skeleton system u can draw it

Answer:

Explanation: Examination of conscience is a review of one's past thoughts, words, actions, and omissions for the purpose of ascertaining their conformity with, or deviation from, the moral law.

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:

Speed is a scalar quantity but has no direction whereas, velocity is a magnitude which includes direction. A vector has magnitude and direction.

Answer:

. Speed is a ____scalar quantity______ but has no direction whereas, velocity is a ______vector quantity________ which includes direction. A vector has __magnitude__ and __direction___.

Answer:

1) high water temperatures and water acidity cause coral polyps to expel algae, causing them to turn white in color

2) acidic carbon dioxide dissolves in water, lowering the water's pH

3) the shift in temperature is happening more quickly

4) to protect itself from the sun

5) the biodiversity of the water

Explanation:

should be 100% on the quick check if you put those answers

There are different ranges in temperature.  Why is this change different  is because this shift in temperature is happening more quickly.

There are a lot of factors affecting temperature such has latitude. Most times, the places closer to the Earth's equator are said to be far warmer than those near to the poles.

The recent rise in temperature is said to be due to a new forcing. here, the greenhouse gas emissions from human activity, is said to have driven atmospheric CO2 to its highest level.

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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:

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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!