pls help 4-7 35 point ​

Pls Help 4-7 35 Point

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Answer 1

Answer:

sorry i havent learn about this yet

Answer 2
4. The main difference between natural selection and genetic drift is that the natural selection is a process where more adaptive species are selected in response to the environmental challenges whereas genetic drift is a random selection.

Related Questions

which type of rna is involved in protein synthesis

Answers

ribosomal rna i’m pretty sure

nucleic acids are assembled in the _____ direction.

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5’ to 3’ hope this helps:)

Nucleic acids are assembled in the 5' to 3' direction during DNA replication. DNA replication is the process of duplication of DNA molecule.

What are Nucleic acids?

Nucleic acids are the biomolecules occurring in the chemical compounds which serve as the primary information-carrying molecules in the cells. Nucleic acids play an important role in directing the process of protein synthesis. The two main classes of nucleic acids include deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Nucleic acids can only be synthesized in vivo in the 5′-to-3′ direction and these can be assembled in the same direction in cell, as the polymerases which assemble various types of new strands generally rely on the energy which is produced through breaking the nucleoside triphosphate bonds to attach these new nucleoside monophosphates to the 3′-hydroxyl (−OH) group, through a phosphodiester bond.

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In an experiment, the factor that we measure is called the *
1 point
Independent variable
Controlled variable
Conclusion
Dependent variable

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D dependent variable

what happens to the i band when the sarcomere contracts

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Answer:

The A band stays the same width and, at full contraction, the thin filaments overlap. ... The I band contains only thin filaments and also shortens. The A band does not shorten—it remains the same length—but A bands of different sarcomeres move closer together during contraction, eventually disappearing.

1. Ai là người đã đặt nền móng cho di truyền học

A. Men đen

B. Moocgan

C. Newton

D. Anhxtanh

Answers

Explanation:

here your answer

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Some bacteria are aerobic and others are anaerobic. What does this mean?
A.
Some use H2O (water), and others do not.
B.
Some use CO2 (carbon dioxide), and others do not.
C.
Some use air, and others do not.
D.
Some use O2 (oxygen), and others do not.

Answers

Answer:

D. Some use O2 (oxygen), and others do not.

Explanation:

Bacteria can either grow aerobically or anaerobically. Because of their ability to respire and ferment organic substances, these types of bacteria (facultative anaerobes), can continue growing in the presence or the absence of oxygen.

Hope this helps! Please Mark BRAINLIEST.

Answer:

They would perform aerobic processes.

Explanation:

When exposed to a lack of oxygen, facultative anaerobes develop metabolic processes with oxygen, like respiration. But in the absence of oxygen, they can develop processes like fermentation. When in oxygen, they prefer the use of it, because that's what makes them facultative, the fact that they're able to work in both circumstances. Otherwise, tolerants are able to survive but not to work properly, in different environments.

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How do most terrestrial primary producers make their own food?

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Answer:

Primary producers like plants make their own food by doing something called photosynthesis. ... Leaves of plants absorb light from the sun. Leaves of plants also absorb the air that people breathe out, called carbon dioxide. Leaves of plants also absorb water.

Explanation:

something called photosynthesis

why do tropical rainforest ecosystems have the highest productivity
check all that apply
1.A lot of light
2. A lot of water
3. A lot of photosynthetic organism
4. A lot of organism that carry out cellular respiration ​

Answers

Answer:

i think its all of them

Explanation:

which statement best compare the roles of organelles in making proteins?

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Answer:

Vesicles modify proteins, while the Golgi bodies manufacture proteins. Rough ER transport proteins, while the cell membrane modifies proteins. Chromosomes modify proteins, while the nuclear membrane produces proteins.

Explanation:

fluid-filled sacs that cushion synovial joints are called

Answers

Answer:

They are called bursea

Explanation:

If a hom.ozygous white horse [tex]C^WC^W[/tex] and a hom.ozygous black horse [tex]C^BC^B[/tex] are bred together, what is the likelihood that their offspring will be roan with both colors represented in their hair if this gene follows a codominant inheritance pattern?
A.) 50%
B.) 25%
C.) 100%
D.) 0%

Answers

Answer:

c

Explanation:

looked at the answer when i finished the test and got it wrong lol

The roan coat color in horses is also an example of codominance. A “red” roan results from the mating of a chestnut parent and a white parent. Therefore, option (C) 100% is correct.

What is co-dominant inheritance?

In the genetic phenomenon known as codominance, both alleles of a gene pair found in a heterozygote are allowed to fully express themselves. Because of this, the phenotype of the offspring is a combination of the phenotypes of both the mother and the father. As a result, the trait does not exhibit dominant or recessive characteristics.

The blue roan horse has hair that is both white and gray, whereas the red roan horse's hair is both white and a reddish-brown color. The hairs of the offspring take on the coloration of both of its parents' coats. This is a situation of co-dominance.

Therefore, the resulting heterozygous progeny will have a 100% codominant inheritance pattern.

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A student observed several cell layers positioned on top of one another in the high-power field of view of a compound light microscope. To observe the details of only one of these cell layers, the student should

Answers

Answer:

rotate the fine adjustment

The phospholipid by layer is What

Answers

Phospholipids are made up of two layers, the outer and inner layers. The inside layer is made of hydrophobic fatty acid tails, while the outer layer is made up of hydrophilic polar heads that are pointed toward the water.

Explain the relationship between these terms photosynthesis chlorophyll thylakoids chloroplasts

Answers

Answer:

In photosynthesis, oxygen, carbon dioxide, ATP, and NADPH are reactants. GA3P and water are products. In photosynthesis, chlorophyll, water, and carbon dioxide are reactants. GA3P and oxygen are products

Answer:

Photosynthesis occurs in the chloroplasts.

Chloroplasts capture light energy.

Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.

Chlorophyll is found in the thylakoids.

Chlorophyll absorbs light energy.  

Chlorophyll is what makes plants look green.

identify the region of the sphenoid bone in contact with the pituitary gland.

Answers

Answer:

The sella turcica is a depression in the central region of the sphenoid bone. It houses the pituitary gland.

Poultry products are a likely source of infection by:

Answers

Poultry products are a likely source of infection by Salmonella enterica

which causes typhoid.

Most farm animals such as pigs, cattle and poultry have been found to be

infected with Salmonella enterica as a result of their contact and exposure

to a dirty environment.

This is why it is advisable to apply much heat on poultry products such as

eggs to kill the micro-organism.

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What is so interesting about the hydrothermal vent system?

Answers

Answer:

They support unique ecosystems and their communities of organisms in the deep ocean. They help regulate ocean chemistry and circulation. They also provide a laboratory in which scientists can study changes to the ocean and how life on Earth could have begun.

Explanation: hey are old, preserve a lot of old organisms, and help the ecosystem

what is the most dangerous plant known by man kind?

Answers

Answer:

1). The oleander, also known as laurel of flower or trinitaria, is a shrub plant (of Mediterranean origin and therefore, resistant to droughts) with intensely green leaves and whose leaves, flowers, stems, branches and seeds are all highly poisonous, hence it is also known as "the most poisonous plant in the world".

2). The Dendrocnide Moroides is known as "the world's most dangerous plant," with even morphine rendered ineffective against its venom, Nature reports. The shrub has numerous names including the Gympie Gympie, Stinging Bush, Queensland Stinger and the Giant Australian Stinging Tree.

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The most dangerous plant known by man kind is The Dendrocnide Moroides.

How do hydrogen ions get transferred from the Light Reaction to the Calvin Cycle?

Answers

Answer:

A photon of light hits chlorophyll, causing an electron to be energized.

The free electron travels through the electron transport chain, and the energy of the electron is used to pump hydrogen ions into the thylakoid space, transferring the energy into the electrochemical gradient.

how long does it take for a body to become skeletal remains?

Answers

Answer:

usually it takes like 3 weeks to several years but it depends on many factors like temperature, humidity, presence of decomposers etc etc etc

1 point
8. In the above food web described, crab, clams, mussels, sea snails and
urchins are
Mussel
Sea snail
Clam
Urchin
Crab



Primary Consumer (Herbivore)
Secondary Consumer (Carnivore)
Producer

Answers

Answer:

they are all primary consumers

Explanation:

at which point does chromosome replication begin? explain your answer

Answers

This is what I got not sure if it’s right but before A cell can divide it must accurately replicate all of its chromosomes, including the DNA and its associated histone and non-histone proteins. This process begins at numerous orgins of replication during the S phase of the cell cycle and each of a cells chromosomes simultaneously

Answer:

Before a cell can divide, it must accurately replicate all of its chromosomes, including the DNA and its associated histone and non-histone proteins. This process begins at numerous origins of replication during the S phase of the cell cycle in each of a cell’s chromosomes simultaneously.

Explanation:

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Answers

Answer:

That would be the sun, because of its gravitational pull its what pulled the other planets closer, then making our solar system. However, the sun was formed after the solar nebula, but thats not an option, so the next thing made was the sun. I hope this helps you! :D

Answer:

Answer is the sun

Explanation:

hope it helps u❤

What is the total number of particles inside the cell

Answers

Hi there!

Every cell contains 100 trillion atoms.
100 trillion atoms hope it helps

what is the geosphere, also called the lithosphere

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Answer:

The lithosphere is part of a larger sphere called the geosphere. ... The lithosphere refers to the outer part of the geosphere, which includes the upper part of the mantle and the crust. The lithosphere is also part of the Earth where the rock cycle is found.

using your knowledge of photosynthesis, explain what is meant by the sentence “plants give us what we need and we give plants what they need.”

Answers

Part of the process of life is plants give us oxygen(o2) and we give off carbon dioxide (co2) in an exchange to breathe and plants to live and create food for themselves aka photosynthesis

insects
APPLY Identify the biotic and abiotic components of the taiga ecosystem shown here. Can
you list a few more biotic and abiotic components that might be a part of this ecosystem?
plants
sunlight
elk
air
snow
abiotic
biotic
ha

Answers

Answer:

Is there more to this question I actually might be able to help

Explanation:

an element can be identified by its unique number of –

Answers

Answer:

Protons

Explanation:

Every element has a unique number of protons and thats what the atomic number is on an element and how they're labeled in a periodic table

14. What are the two compartments of the forearm and how do they differ?

Answers

Answer:

The anterior compartment is known as the flexor compartment since the muscles primarily function to flex the wrist and digits. The anterior compartment consists of a deep and superficial layer. The superficial compartment contains the pronator teres, the flexor carpi radialis, and the flexor carpi ulnaris.

PLS HELP ASAP! 20 POINTS! Make a bar graph with the data provided below.

Answers

Answer:

The picture is blank can you repost it?

Explanation:

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