Biology High School

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Answers

Answer 1

Answer:

its c

Explanation:

because it has a definition on it

Related Questions

write a paragraph about Balochistan

​

Answers

Explanation:

Balochistan is located at the eastern edge of the lranian plateau and in the difficult to define border region between southwest, central and south Asia.

What characteristics do Prokaryotic cells have? (Select all that apply)
A. Complex-has organelles
B. Has DNA
C. Has cell membrane
D. Makes up both multicellular & single-celled organisms

Answers

Answer:

it has:-

B) Has DNA

C) Has cell membrane

Please help me!!! ASAP

Answers

we can tell this would be photosynthesis since light is in the equation :D

cellular respiration

Explanation:

A

Definition of Genetic Engineering​

Answers

Answer:

Genetic engineering is the process of altering or modifying the DNA in an organism’s genome.

Answer:

Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's genes using biotechnology

The spinal cord is associated with ____________ pairs of spinal nerves. Spinal nerves are considered

Answers

The spinal cord is associated with 31 pairs of spinal nerves. Spinal nerves are considered mixed nerves because they contain both motor and sensory axons.

3. How does a tongue help in the process of digestion?​

Answers

Answer:

the tongue helps in the process of digestion by facilitation the movement of food while chewing and assisting the process of swallowing

Explanation:

Which organelle captures energy from the sunlight and uses it to produce food in a plant cells

A. Chloroplast
B. Nucleus
C. Ribosomes
D. Mitochondria

Answers

Chloroplasts capture light energy for photosynthesis

A DNA microarray contains immobilized DNA that corresponds to different genes. The microarray is hybridized with fluorescently labeled DNA probes reverse transcribed from the control and experimental mRNA samples. The control probe is labeled with a red fluorochrome, while the experimental probe is labeled with a green fluorochrome. What will be the color of the spot representing a gene with moderately upregulated expression in the experimental sample relative to the control one

Answers

The color of the spot of a gene with moderately upregulated expression will be lime-green. A DNA microarray is a technique used to determine the expression level of many genes simultaneously.

A DNA microarray is a laboratory technique used to identify the genes that are being expressed in a cell.

A DNA microarray contains many tiny spots of specifically labeled cDNA samples referred to as probes, which can be hybridized by base complementarity to transcribed (mRNA) gene sequences.

In the DNA microarray, the probes can be fluorescently marked gene sequences.

After hybridization, the DNA microarray is then scanned in order to determine the level of gene expression of each mRNA that hybridizes with their corresponding probes on the slide.

In this case, green spots evidence genes that are being strongly expressed in the sample.

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Which of the following choices is a component in the habitat of a wetlands ecosystem?A. Moss
B. Bacteria
C. Water
D. Blue Heron

Answers

Answer: C.-Water

Explanation: Water is the main component when it comes to wetlands.

Habitat is the environmental place where organisms like plant and animal lives. Water is the habitat component present in the wetland ecosystem. Thus, option C is correct.

What is an ecosystem?

An ecosystem is a biological community that lives together and has an interconnection with each other as well as their surroundings and other abiotic factors.

The ecosystem can be found in freshwater, marine, or terrestrial places. The wetland ecosystem is covered by water in all seasons and is seen in the form of swamps, marshes, etc.

The wetland is characterized by the presence of water that controls the erosion, water quality, abatement of the flood, etc.

Therefore, water is a component of the wetland ecosystem.

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What is the function of glycoproteins?

O to detect bacteria and other foreign bodies outside of the cell

O to actively carry specific ions or molecules into the cell

O to serve as identification for the cell

O to allow specific ions or molecules to pass freely

Answers

Answer:

Glycoproteins are molecules that comprise protein and carbohydrate chains that are involved in many physiological functions including immunity. Many viruses have glycoproteins that help them enter bodily cells, but can also serve to be important therapeutic or preventative targets.

Explanation:

this is the correct answer happy

PLEASE HELP ME IM TIMED!

Answers

Answer:

C

Explanation:

proteins have a chemical composition of hydrogen carbon oxygen nitrogen and sometimes sulfur

What are the two stages of photosynthesis represented

Answers

Answer:

Light dependent reactions and light independent reactions.

8
1 point
If an element is radioactive
0 It will react with other elements to form compounds
It will not react with other elements
It will spontaneously decay into other stable elements
It will spontaneously explode
Previous

Answers

It will spontaneously decay into other stable elements

If I had a section of DNA that contains 350 nucleotides and the A's and Ts made up 200 of
those nucleotides, how many As
Gs
Cs
and Ts
do I have?(.5 points each response)

Answers

Answer:

100 A

100 T

75   C

75   G

Explanation:

there will be an equal amount of thymine and adenine since they bind together so, 200/2 = 100 each

now there is 150 nucleotides left

guanine binds to cytosine so they also have an equal amount, so 150/2=75

Given, the number of nucleotides in the section of DNA = 350Nucleotides in DNA are of four types - Adenine (A), Guanine (G), Thymine (T), Cytosine (C).Adenine pairs with Thymine while Guanine pairs with Cytosine.Given, there are 200 nucleotides made by Adenine and Thymine.We know, Adenine pairs with Thymine so they will have equal number of nucleotides.So, the number of Adenine = the number of Thymine = 200 ÷ 2 = 100Number of nucleotides made by Guanine and Cytosine = 350 - 200 = 150We know, Guanine pairs with Cytosine so they will have equal number of nucleotides.Therefore, number of Guanine = number of Cytosine = 150 ÷ 2 = 75

Answer:

As = 100

Ts = 100

Gs = 75

Cs = 75

Hope you could get an idea from here.

Doubt clarification - use comment section.

What are some functions of the foot in rotifers? (Choose all that apply)
to propel itself through its environment
to aid in defense against predators
to assist in the digestion of food
to attach itself to a variety of structures

Answers

Answer:

to propel itself through its environment and to attach itself to a variety of structures

Explanation:

I took the quiz(-.-)

Rotifers foot is transformed into a variety of structure for moving and swimming and attach itself to a different structure, hence option d is correct.

What are rotifers?

Some rotifers are really planktonic and free-swimming, while others travel around a substrate via inchworming, and some are sessile and reside inside tubes or gelatinous holdfasts.

About 25 species are sessile or planktonic, colonial (such as Sinantherina semibullata), and some rotifer species have evolved four moveable toes that are equipped with pedal glands to facilitate swimming and crawling.

Rotifers swiftly colonize new environments and transform primary production (algae and cyanobacteria) into a form that is secondary consumers.

Therefore foot of the rotifers is changed into a different structure for movement is attach itself to a variety of structures, hence option d is correct.

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What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle?

Answers

Answer:

Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.

Explanation:

Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.

Which statement describes the process of osmosis in an animal cell

Answers

Answer: B.

Explanation:

The statement that describes the process of osmosis in an animal cell is water molecules move across the plasma membrane until solute concentration are equal on both sides of the membrane.

OSMOSIS:

Osmosis is the process by which water molecules move from a region of higher concentration to a region of lower concentration through a semipermeable membrane.

According to this question, which is describing the structure of the cell membrane as a semipermeable membrane. The cell membrane selectively allows the passage of certain molecules.

Osmosis will occur in this animal cell when water molecules move across the plasma membrane until solute concentration are equal on both sides of the membrane.

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The formation of clouds is caused by which of the following?
O condensation
O evaporation
O infiltration
O precipitation

Answers

Answer:

condensation

Explanation:

once evaporation occurs the water vapor rises and condenses into clouds when it hits the colder air higher in the atmosphere.

Answer: Condensation

Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization. This word mostly refers to the water cycle.

Seedless plants grow from __________?

I need an answer for an 7 or 8 grader

Answers

Seedless vascular plants are plants that contain vascular tissue, but do not produce flowers or seeds. In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds.

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Which population would most likely be able to persist over many generations, despite having limited genetic variability

Answers

Answer:

A population in a relatively stable and static environment

Explanation:

A student made a list of structures are observed in cells from two different organisms which statement describes the most likely difference in the way that organism one and organism two obtain energy

Answers

You didn't include options or statements, however I'll assume these list of structures observed in cells are in eukaryotic cells. Specifically an animal and plant cell. An animal obtains energy from eating food, using the mitochondria to convert that energy into ATP which is more convenient for the cell to use. A plant obtains energy by getting energy from the sunlight. The chlorophyll is in charge of this and uses photosynthesis in order to make this sunlight into the chemical energy found in food. That is when the plant cell uses the mitochondria to convert that chemical energy into ATP for the cell to use.

Hopefully this helped in some way. :)

What is Darwin's theory called?
Describe the basic ideas behind his theory.

Answers

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Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin's specific view that evolution is driven mainly by natural selection.

what is vascular tissue​

Answers

what is vascular tissue??

plant tissue concerned mainly with conduction especially : the specialized tissue of higher plants consisting essentially of phloem and xylem.

hope it helps

what is the difference between ribose and deoxyribose

Answers

Answer: Ribose is a pentose sugar and is found in DNA. Ribose binds a phosphate at the 3′ position

Ribose is a 5-carbon simple sugar. The chemical formula of this sugar molecule is H−(C=O)−(CHOH)4−H. This is the prime component of ribonucleic acid strands. It forms ribonucleotides.


Deoxyribose is a hexose sugar and is found in RNA. Deoxyribose binds a phosphate at the 2′ position. deoxyribose has one less oxygen molecule than ribose.

Deoxyribose, on the other hand, is a monosaccharide too. It also has the same 5-carbon formula as that of ribose sugar but loses an oxygen atom. Its chemical formula is H−(C=O)−(CH2)−(CHOH)3−H

what organ retains or releases body fluids, thereby regulating blood volume and blood pressure?

Answers

Answer:

excretion

Explanation:

waste

Answer: Kidneys

Explanation:

Explain how protein electrophoresis is done. Is it different from DNA and RNA electrophoresis?

Answers

Electrophoresis is the process in which specific components are separated based on size.

As the name implies protein electrophoresis is used to determine proteins in a sample and DNA electrophoresis is used to determine DNA segments (and later sequences) in a given sample.

Question 4 of 10
A cell membrane is very specific about what it allows across. How does this
help the cell?
A. It helps the cell absorb as many different molecules as possible.
B. It is better for the cell if most molecules are prevented from
entering
C. Transport proteins allow only enzymes to pass through the
membrane.
D. The cell works better when it contains fewer proteins.
Oh

Answers

Answer:

(B) It is better for the cell if most molecules are prevented from entering.

I hope this helped at all.

Patient describes a burning sensation on the posterior side of her body, lateral to the spine on the left side of the body inferior to the shoulder blade, inferior to the waist and superior to the knee. Where is this located on the image above?


A


B


C


D


E


F


G


H


I


J

Answers

Answer:

Explanation:

Injuries to the upper brachial plexus (C5, C6) affect muscles of the shoulder and elbow.

DNA sequences that control traits are called
a. genes
b. proteins
C. enzymes
d. deoxyribose sugar

Answers

gene

Explanation:

the gene of a human being carried all the traits of the person which can be transferred to an embryo when fertilization occurs

A. Genes

Genes carry traits from the person to the embryo which is then given to the baby.

Several generations of one family have lived in their home in the mountains since the 1800s. The government designates a new wilderness area, putting the house within the wilderness boundaries. The family is now forbidden to use motorized vehicles to reach their home, they cannot operate a chainsaw to cut firewood, and they cannot string lines for telephones and electricity. This would be an example of: __________

Answers

Answer:

conservation with no sensitivity to local and individual circumstances.

Explanation:

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