Biology College

Argentina located on the tropic of Capricorn. At what position of earth, will the sun be exactly overhead at Argentina?
position 1
position 2
position 3
position 4

Argentina Located On The Tropic Of Capricorn. At What Position Of Earth, Will The Sun Be Exactly Overhead

Answers

Answer 1

Answer:

Position2 would be answer

Explanation:

Answer 2

Answer:

Position 2

Explanation:

I did the test

Related Questions

How many angels can dance on the head of a pin?

1This is a question that has been pondered over the centuries. Can it be answered using scientific method? Is it a scientific question?

The Goal of Science
2The goal of science is to answer questions about the natural world. Scientific questions must be testable. Which of these two questions is a good scientific question and which is not?

What is the age of our planet Earth?
How many angels can dance on the head of a pin?
3The first is a good scientific question that can be answered by radiometrically dating rocks among other techniques. The second cannot be answered using data, so it is not a scientific question. Which of the following would be considered a good scientific question?
SELECT AN ANSWER

A-Why do airplanes fly?

B-How much does a thermometer weigh?

C What is your favorite food?

D) How does size affect the speed of an object rolling down a hill?i

Answers

The answer is d. It shows a scientific question

Answer:

D) How does size affect the speed of an object rolling down a hill?

Explanation:

i think

respiration in echinoderms​

Answers

In general, echinoderms typically respire by simple diffusion, using gills or specialized projections, like tube feet or pockets, to circulate water and oxygen through their bodies. Many echinoderms also use a simple hemal system, a series of pockets and tubes that serves almost like a net of veins and arteries.

If a double-stranded segment of DNA has been found to have 23 purines and 15 thymines, how many guanines are there?

Answers

Answer: 4 Guanines

Explanation: Following Chargaff's ratio that describes the ration of purines to pyrimidines as 1:1, if there are 23 purines, it follows that there should be 23 pyrimidines; 15 Thymines should therefore be hydrogen bonded to 15 Adenines by complementary base pairing.

We are then left with 8 nucleotides composed of guanines and cytosines in complementary base pairs. This means that half that number (4) should be guanines and the rest cytosines.

The DNA is a double-stranded molecule, which is made up of purine, pyrimidine, a pentose sugar, and phosphate backbone. Chargaff's rule states that any species will have a stoichiometric ratio of 1:1.

The number of guanines in the double-stranded DNA is 4.

In the DNA, the base pairing occurs as:

The guanines bind with cytosine through hydrogen bonding. The adenine binds with thymine with two hydrogen bonds.

In the given nucleotide, there are 23 purines (guanine and adenine). There are 15 thymines in the DNA molecule.

Based on the Chargaff rule, the 15 thymines will bind to adenine, leaving only 4 guanines and 4 cytosines. Thus, there will be 4 cytosines left to bond with the guanines to achieve Chargaff's ratio of 1:1.

Therefore, the guanine in the nucleotides will be 4.

To know more about Chargaff's rule, refer to the following link:

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Answers

Little to no agitation I’m pretty sure

Answer:

it is C. Little to No agintation

Hurricanes are generally: ___________.
a. Smaller than mid-latitude cyclones
b. Late summer and early fall storms
c. Areas of strong rainfall and winds
d. Larger than tornadoes
e. All of these

Answers

Answer:

The answer is option B "Late summer and early fall storms"

Explanation:

less tropical storms form into Hurricanes. A few great ecological conditions should be available to allow Hurricane. To start with, warm sea waters of in any event 80 degrees Fahrenheit should stretch out to a profundity of 150 feet or more. Warm surface temperatures along are insufficient for typhoon development; there must be a plentiful profundity of warm water to give energy to the tempest. Second, the environment should cool quick enough from the surface upward to permit soggy air to keep on being precarious and convect. Layers of warm air over top stop or "cap" tropical improvement. At long last, there should be minimal vertical breeze shear, that is, change in wind speed, between the surface and the highest point of the lower atmosphere. Solid breezes over top forestall tropical Hurricane development.

the overall chemical equation that describes photosynthesis is below. By analyzing this equation, which property of photosynthesis can be identified

Answers

what are the choices

Explanation:

photosynthesis is a way that plants make their own food.

name three limitations to using an electron microscope to view an organism

Answers

you can't see the colour of organisms

you don't have the ability to analize living organisms

artefacts can be easily produced

Please help me ?!!!!

Answers

Answer:

the last one I am guessing

Explanation:

If right can you give me brainiest

Hope you have a wonderful day:)

Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow.
What characteristic do these cels most likely share with cancerous cells?
O They form tumors.
O They spread through the blood.
• They divide rapidly.
O They contain a mutation.
A

Answers

Answer:

They divide rapidly

Explanation:

Some normal cells such as hair follicles cells, mouth cells, digestive tract cells, and bone marrow cells divide rapidly. In mammalians, hair follicle cells are cells localized in the skin, specifically in the dermal layer of the skin. In this region, epidermal cells that form the root of the hair divide rapidly by interacting with neuropeptides, hormones, and immune cells. On the other hand, the bone marrow is a spongy tissue found in bones that contain stem cells (which also divide rapidly). In consequence, it is well-known that high-dose chemotherapy treatments may damage these types of cells.

How old do paleontologist believe the earth is?

Answers

Answer:

Scientists now know the Earth is actually 4.54 billion years old, an age built on many lines of evidence from the geologic record.

Explanation:

Scientists now know the earth

Which of the following are solutions to slow down groundwater depletion?

a -Landscape with native plants

b- promote the use of water resources

c- encourage population growth

d- develop crops that require more water

Answers

It could be d- or b-

1. The parts of the flower involved in reproduction are ________ and __________
2. The anthers bear the ___________the microspore mother cells give rise to _______or pollen grains after meiotic cell division.

Answers

Answer:

1. Stamen and pistil

2. Pollen, microspore

Explanation:

The flower is the reproductive part of certain plants called ANGIOSPERMS. They make use of their flower for sexual reproduction. The different parts of the flower work together to achieve a common goal, which is to reproduce, however, they do it in various ways. For example, accessory parts like petals attract pollinators. The major parts of the flower that are directly involved in the reproductive act are STAMEN (male) and PISTIL (female).

The stamen which constitutes a structure called ANTHER bears the pollen grains or microspore, which is made when the microspore mother cells undergo meiotic division. Hence, the pollens are released from the anther of a male flower (stamen), into the stigma of the female flower (pistil).

How does exercise build muscles?

Answers

Answer:

Exercise builds and strengthens muscles, which can protect the bones from injury, and support and protect joints affected by arthritis. Strong muscles also give stability and improve balance and coordination. Exercise also improves blood supply to the muscles and increases their capacity to use oxygen

Hope this helped!

WILL MARK BRAINLIEST! :)
Diversity occurs in many places in meiosis. In what process is the first place where the pieces of DNA switch positions with the homologous sister chromatids?

A. Interphase

B.Independent Assortment

C. Crossing Over

D.Anaphase

E. Randomness of egg and sperm meeting

Answers

Answer:

crossing over

Explanation:

I had it on a bio exam. i got it right

Drag each tile to the correct box.
Sort the types of energy according to the order in which they move through this system:
Water stored in dams falls freely with the force to make a turbine move. The turbine moves and produces electricity. This electric energy is
supplied to homes. At home, we use electricity for heating, cooling, and lighting.
Put these in order:

Electrical energy

Light energy

Potential energy

Kinetic energy

Answers

Answer:

Electrical energy > kinetic energy > light energy > potential energy

Explanation:

In starfish, the allele for brown coloring is dominant, and the allele for blue coloring is
recessive. For which parental genotypes are 100% of the offspring expected to be blue?
BB x bb
Bb x Bb
bb x bb
BB x BB

Answers

Answer:

C. bb x bb

Explanation:

    B      B                                 B     b

b   Bb   Bb                          B   BB   Bb

b   Bb   Bb                          b   BB   bb

100% Brown                       75% Brown 25% Blue

    B     B                                  b      b

B   BB  BB                           b   bb   bb

B   BB  BB                           b   bb   bb

100% Brown                        100% Blue

Which of these elements has an electron structure most similar to that of element X?

Answers

Answer:2

Explanation:

plz help me I will give brainlyest to first right answer

Answers

Answer:

Explanation:

1. Decomposition

2. Fungi

3. Evaporation

4. Precipitation

5. Condensation

6. Rhibizium

Answer:

1. decomposition

2. rhizoblum

3. evaporation

4. precipitation

5. condensation

6. fungi

what product is left over after photosynthesis

Answers

Answer:

glucose/sugar

Explanation:

Hope this helps!

Answer:

Im pretty sure the oxygen is released from leaves while the energy contained within glucose molecules

Explanation:

Cellular respiration is the chemical basis of how cells release energy from foods. When you eat an apple, your cells extract energy. The text below explains how cells use cellular respiration to extract energy from an apple. Choose the parts of the sentence that are incorrect.

The apple first enters the digestive tract through the mouth, where digestion begins with chewing. Enzymes begin to break down the apple in the mouth. From the digestive tract, the glucose from the digested apple is absorbed into the bloodstream, where it is brought to cells throughout the body. In the chloroplast, the glucose begins cellular respiration. The molecules react with carbon dioxide to release energy. Oxygen is produced as waste

Answers

Answer:

chloroplast is def wrong

Explanation:

it is mitochondria

A student wants to model convection currents in the Earth's mantle. Which of the following should the student use
O Layering three different types of Jello on top of each other.
O Placing whipped cream on top of a pudding mix
O Placing food coloring in a heated container of water
O Stirring cereal in milk.
PLEASE HELP!!! Will give brainliest

Answers

The answer is C I know for a fact it is

Which is(are) a key role (or roles) of most family therapists?

Answers

a key role is that u can have ur family therapists to talk to for free

I need help please & show work??
Hydrogen - 3 is a radioisotope with a half life of 12.32 years. How long would it take a 40 g sample to decay down 2.5 g ?

Answers

Answer:

Whether or not a given isotope is radioactive is a characteristic of that particular isotope. Some isotopes are stable indefinitely, while others are radioactive and decay through a characteristic form of emission. As time passes, less and less of the radioactive isotope will be present, and the level of radioactivity decreases. An interesting and useful aspect of radioactive decay is half-life, which is the amount of time it takes for one-half of a radioactive isotope to decay. The half-life of a specific radioactive isotope is constant; it is unaffected by coTnditions and is independent of the initial amount of that isotope.

Consider the following example. Suppose we have 100.0 g of tritium (a radioactive isotope of hydrogen). It has a half-life of 12.3 y. After 12.3 y, half of the sample will have decayed from hydrogen-3 to helium-3 by emitting a beta particle, so that only 50.0 g of the original tritium remains. After another 12.3 y—making a total of 24.6 y—another half of the remaining tritium will have decayed, leaving 25.0 g of tritium. After another 12.3 y—now a total of 36.9 y—another half of the remaining tritium will have decayed, leaving 12.5 g. This sequence of events is illustrated in Figure 15.1 “Radioactive Decay”.

Explanation:

A old Cell is called what?​

Answers

OLD CELL BRO like duh


Would the movement of oxygen through the cells?

Answers

Answer - The oxygen molecules move, by diffusion, out of the capillaries and into the body cells. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries. Carbon dioxide is brought, through the blood, back to the heart and then to the lungs.

What TWO things cause denaturation of enzymes:

Answers

introducing heat or chemicals which will alter its pH .

A pathogen that feeds off and causes harm to other organisms is called what?

Answers

There are 5 main types of pathogens that can harm other organisms and cause diseases. They are viruses, bacteria, fungi, Protozoa, and worms.
Its called parasites. Parasites are living organisms that feeds off on other organism that causes harm

What structure provide shape and support for the cell?
A.Chloroplast
B.Mitochondria
C. cell Wall
D.Golgi bodies

Answers

the answer is cell wall :)

The cell wall provides shape and support for the cell. Therefore, option (C) is correct.

What is cell wall?

In the cells of plants, fungi, and some bacteria, the cell wall is a strong structure that encloses the cell membrane. It has a solid and strong structure because it is formed of chitin, which is found in fungi and cellulose in plants. The cell wall supports it mechanically, shields it from harm, and aids in keeping its shape. Moreover, it stops the cell from bursting or collapsing under pressure, which is crucial for plant cells because they must maintain turgor pressure in order to function properly.

Animal cells, on the other hand, lack a cell wall and instead contain a cytoskeleton formed of protein fibers that gives them stability and shape. Organelles that perform photosynthesis include chloroplasts, mitochondria, and golgi bodies, which also produce energy and process and transport proteins inside of cells.

Learn more about cell wall, here:

https://brainly.com/question/965751

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bruising of brain tissue

Answers

Answer:

Cerebral contusion

Explanation:

a form of traumatic brain injury, is a bruise of the brain tissue. Like bruises in other tissues, cerebral contusion can be associated with multiple microhemorrhages, small blood vessel leaks into brain tissue. Contusion occurs in 20–30% of severe head injuries.

if some can help me with my biology final the whole 25

Answers

Answer:

add the answers if you dont know

Explanation:

Answer:

KC is looking at cells in biology class, but he doesn't know where they came from. He sees that the cells under his microscope have cell walls and chloroplasts. Therefore, KC is likely observing cell from:

A leaf that got blown onto the floor.

Plant cells are the only cells w/ chloroplast!

Explanation:

pick me as the brainliest

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