Can SOMEONE tell me where the heck the RIBOSOMES are in this pic cuz I never payed attention in BIO

Answer:

[tex]V =2m/s[/tex]

Explanation:

Given:

Represent

- Susan's velocity with [tex]V_s[/tex]

- Michael's velocity with [tex]V_m[/tex]

[tex]V_m = 7m/s[/tex] eastwards

[tex]V_s = 5m/s[/tex] westwards

Required

Determine how fast is [tex]V_s[/tex] relative to [tex]V_m[/tex]

From the question, one train moves eastwards while the other moves westwards.

This means that travel in opposite travel and the relative speed (V) is calculated as:

[tex]V = V_m - V_s[/tex]

Substitute values for [tex]V_s[/tex] and [tex]V_m[/tex]

[tex]V =7m/s - 5m/s[/tex]

[tex]V =2m/s[/tex]

Hence, the Susan's train is moving 2m/s in relative to Michael's train

Answer:

Photosynthesis serves as a process of transferring carbon between the atmosphere and the biosphere by using carbon dioxide present in the atmosphere to produce sugars found in plants.

Note: The model is found in the attachment below

Explanation:

The atmosphere is the layer of gases forming an envelop around the earth. The earth's atmosphere is composed of mainly nitrogen and oxygen as well as other gases such as carbon dioxide and water vapor.

The biosphere refers to the regions of the earth's surface on which living organisms can be found. It includes the land, air and water.

Carbon dioxide is cycled between the atmosphere and the biosphere by the process of photosynthesis which is the process by which green plants manufacture their food with the aid of energy from sunlight.

From the model, in the first stage, energy of sunlight is trapped by light-dependent reactions and is used it to make ATP and NADPH. During the second stage, the light-independent reactions use ATP and NADPH reduce carbon dioxide from the atmosphere to sugars and ADP and NADP⁺.

Thus, photosynthesis serves as a process of transferring carbon between the atmosphere and the biosphere.

Answer:

Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin.

- Wikipedia

Answer:

Epithelial tissues are widespread throughout the body.

Explanation:

they are major tissue located inglands

Answer:

Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. ... Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.

Explanation:

Answer: Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population

Explanation:

is this a multiple choice question? I took biology 2 years ago so I'm not 100% positive but I'm pretty sure they help to speed up reactions

Answer:

They look different

Explanation: Look at them. Yes ok good

Answer:

a) 1:4 (25%)

b) 1:4 (25%)

c) Carrier females have the genotype XFXf.

d) There are four possible genotypes, XFXf, XfXf, XFY, XfY

Explanation:

The mutation for hemophilia is on the X chromosome. Females have two X chromosomes and males have one.

Let's say that the mutated allele is f and the normal allele is F.

A carrier female has the genotype XFXf. A hemophilic man has one X chromosome. and since he is affected, must have the mutated allele. He must have the genotype XfY.

The punnett square below shows the cross

                   XF                     Xf

Xf              XFXf                   XfXf

Y                XFY                   XfY

a) As we saw, carrier females have the genotype XFXf. In the cross, there 1:4 chance that phenotype will occur.

b) A normal male has the genotype XFY. In the cross, there 1:4 chance that phenotype will occur.

c) Carrier females have the genotype XFXf.

d) There are four possible genotypes, XFXf, XfXf, XFY, XfY

Answer:

b

Explanation:

Since a community is the animals living there and their environment, I would choose b.

Thymine is the nitrogenous base that is unique only to DNA.

NUCLEIC ACIDS:

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Answer:

Mass and distance

Explanation:

Gravity is the force that gives weight to objects and causes them to fall to the ground when dropped. Two major factors, mass and distance, affect the strength of gravitational force on an object. You witness the first factor in everyday life - more massive objects are heavier.

Answer:

Gravity is the force that gives weight to objects and causes them to fall to the ground when dropped. Two major factors, mass and distance, affect the strength of gravitational force on an object. You witness the first factor in everyday life - more massive objects are heavier.

Explanation:

"Acceleration due to gravity" typically refers to the increase in speed of a falling object due to the gravitational pull of the Earth. If jump out of a plane, your speed increases towards the Earth (or the center of the Earth really) due to the acceleration of gravity. If you throw a ball up in the air, it slows down and falls due to the acceleration of gravity. I guess it's specified because the force of gravity is causing the acceleration in these instances; as opposed to some other outside force.

1.All living things are composed of cells.

2.Cells are the basic units of structure and function for living things.

3.All cells come from pre-existing cells.

Hop this helps

Answer:

Substitution

Explanation:

Most common

Answer:

I think it's: down

Explanation:

Answer:

The main reason for the production of haploid cells during meiosis is because the two haploid cells will fuse together to make a new genetically different diploid cell  that will form the offspring.

Explanation:

In the context of sexual reproduction, meiosis is the process of cell division by which gametogenesis occurs. In this process, diploid cells are used to obtain haploid cells, called gametes.

The reduction of the chromosomal charge that occurs in meiosis is aimed at producing haploid cells —with half of the crosmosomes of a species— so that when the parents' gametes join, they form a diploide cell called zygote.

Zygote is the starting point for the development of a new individual, part of the offspring.

Answer:

1. C

2. A

3. D

4. B

Explanation:

Hope this helps

:)

Answer:

It produces genetically identical offspring but takes time and energy to find a second parent​

Explanation:

The answer should be It produces genetically identical offspring but takes time and energy to find a second parent​.

Hope this helps you

Answer:

Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. (It doesn't.) Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.

Explanation:

Answer:

shedding

Explanation:

they would lose hair/fur allowing more waste heat to be lost into the environment so that the body could be cooler.

If the environmental temperature increases, the animal is most likely to shed, which is present in the third option because shedding the fur that is present on the skin is helpful for the relief of the heat.

Heat regulates the internal temperature, organ activity, blood pH, and a variety of other functions in the animal body. Animals living in colder climates have more hair and fat than those living in warmer climates, which is due to their need to protect their internal body temperatures. In the case of colder weather, the skin or the fur acts as an insulator and protects the animal by conserving the heat, while in a hot climate, the animals shed these in order to release the heat.

Hence, as the environmental temperature increases, the animal is most likely to shed, which is present in the third option.

Learn more about the heat here.

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Answer:

a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.

Explanation:

Hope this helped if so please leave a rating! :)

THANKS

Answer:

To make sure you body works properly

Explanation:

If you have good nutrition you body will work like it should and you will have an great body and a long life.

Answer:

Here's some reasons:

- It can reduce the main risk of diseases and strokes.

- Improves your body's recover progress.

- Boosts energy

- Increases mental strength

- Reduces blood pressure

- Reduces chance of diabetes

- Reduces chance of heart cancer, breast cancer, rib cancer, brain cancer, and some more types of it too.

Hope this helped you out! :)

Answer: Oxygen, Lactic acid, liver, mitochondria

Explanation: Lactic acid fermentation occurs in muscle cells when OXYGEN levels are low. When LACTIC ACID builds up in muscles it causes pain and muscle fatigue. Usually, the lactic acid diffuses into the bloodstream over time and is filtered out by the LIVER and converted into glycogen and then to glucose. However, with proper training, lactic acid can transfer to the MITOCHONDRIA of muscle cells, where it is broken apart for its energy.

Lactic acid is produced as the byproduct of the anaerobic respiration. The correct answers are oxygen, lactic acid, liver, and mitochondria.

Lactic Acid Fermentation:

During the intense exercise, body become unable to fulfill the need of oxygen. Hence, body start producing energy anaerobic respiration and produce a by-product, lactic acid. This results in build up of the lactic acid in muscle which cause muscle fatigue.

Therefore, the cell reprocess the lactic acid to produce glucose.

To know more about Lactic Acid Fermentation, refer to the link:

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Answer:

c.

Explanation:

Answer:

A change in wind direction cause the air to spiral. Then, warm humid air rises up in the inside of the tornado while cold dry air goes down. These things cause the spinning air currents inside the tornado.

hope this helps!

Suddenly, air pressure changes that significantly cause rapid air movement which ultimately leads a tornado to form. Thus, the correct option is D.

A Tornado may be characterized as a type of natural phenomenon that significantly involves vehemently rotating columns of air touching the ground, usually attached to the base of a thunderstorm.

Tornadoes are generally considered nature's most violent storms. They are generated by powerful thunderstorms and have the ability to cause fatalities and devastate a neighborhood in seconds.

Winds of a tornado may reach 300 miles per hour. Apart from this, a tornado may evolve within a cyclone and form due to the influence of low pressure in the eye of a cyclone.

Therefore, suddenly, air pressure changes that significantly cause rapid air movement which ultimately leads a tornado to form. Thus, the correct option is D.

To learn more about Tornado, refer to the link:

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Answer:

1. Partially Permeable Cell Membrane

2. Water/Carbon Dioxide/Oxygen/Lipids/Bacteria

3. raw materials for respiration/waste/photosynthesis

Explanation:

Hope this helps and good luck on your studies! :)

Answer:

The solution is hypotonic

Explanation:

Molecules in a solution move from highly concentrated regions to regions of low concentration in an effort to reach a state of equilibrium- where the molecules are equally distributed. This always occurs with the molecules moving down the concentration gradient.

Solutions can be:

At 40% salt concentration, solution A is hypertonic while the less concentrated solution at 0% salt concentration is hypotonic.