BIOLOGY MIDDLE SCHOOL

Which domain consists of single-celled organisms, some of which can cause illnesses treated with antibiotics? A. Archaea B. Bacteria C. Eukarya

Answers

Answer 1
Answer:

Answer: Bacteria

Explanation:

I just took the test and it is not Eukarya
Answer 2
Answer: This one is Eukarya because is a organism that is a nucleus but that doesnt relate to the anwser so yeah its Eukarya

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WHAT ARE SOME FACTS ABOUT TRANSPARENT TRANSLUCENT AND OPAQUIC

Answers

Transparent means all light can shine through. Common substances that are transparent are clear glass, clean water, and cellophane. Translucent means only some light can filter through the substance. Common translucent substances are tissue paper, the skin of your hand, and lamp shades. Opaque means little to no light passes through the substance. Common opaque substances are denim, cardboard, and leather.

I hope this helps. :)

All cells of the body originate from one cell called the zygote. This cell will give rise to all the cells of the body. Based on your knowledge of mitosis and cell differentiation, which of the following statements must be true? A. All the cells of the body have different parts of the DNA from the original cell.
B. All the cells of the body have the same DNA, but use different parts of it.
C. All the cells of the body are exactly the same as the original zygote cell.
D. All the cells of the body have pieces of the original cell’s organelles

Answers

Answer:

B

Explanation:

Different cells use different parts of the DNA strand to perform their functions

Answer: B

Explanation: How does a complex organism such as a human develop from a single cell—a fertilized egg—into the vast array of cell types such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, the process of cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions. All the cells of the body have the same DNA, but use different parts of it.

A scientist makes an image of all of a person's chromosomes. What technique is she using?

Answers

Answer:

The correct answer is karyotype.

Explanation:

A karyotype is an image that helps in analysis to a person's chromosome. It is a picture of all chromosomes of an individual. Scientists take this picture or image sample of chromosomes of the individual is isolated, stained or examined under the microscope. This image helps in analysis and study of the chromosome.

Thus, the correct answer is karyotype.

She is using a karyotype

How do genes mix in humans?

Answers

In the X and Y chromosomes. 50% of your mom's genes are in the X chromosome, and 50% of your dad's in the Y.
Technically, it’s completely possible because DNA is just DNA. It doesn’t matter where it’s come from. In the lab, you can put jellyfish genes into mice, you can put human genes into bacteria, you can put worm genes into yeast. It’s all DNA. It’s all the same kind of nuts and bolts. If you put a gene in that’s kind of got the right bits and bobs, it will be expressed. That means it will be active and it will make a protein because that’s what genes do. They make little recipes that cells use to make different proteins. Now, that’s what genes do. The difficulty comes when you say, if you put certain genes into different species, would it give that species some new power? So for example say, if you put an olfactory receptor, something involved in smelling from a dog into a human, would a human be able to suddenly smell all these different things? The answer is probably no because one gene doesn’t just give a big characteristic like that. So, one gene is not responsible for super accurate sight or the smelling ability of dogs, or the hearing ability of foxes or something like that.

List of non living things

Answers

Some examples of important nonliving things in an ecosystem are sunlight, temperature, water, air, wind, rocks, and soil. Living things grow, change, produce waste, reproduce, and die.

table\

chair

computer

desk

sun

moon

water

air

backpacks

pencils

keyboards

computer mouses

There are many finger-like projections called__________ on the inner wall of the small intestine. They increase the __________ for the absorption of food substances.​

Answers

Answer:

1st blank-- villi

2nd blank-- surface area

hopeithelpsudude(^^)
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