BIOLOGY HIGH SCHOOL

Choose all the quadrants where the x- and y-coordinates of a point have the same signs. A. I
B. II
C. III
D. IV

Answers

Answer 1
Answer: I think the correct answers from the choices listed above are options A and C. The quadrants where the x- and y-coordinates of a point have the same signs are quadrants I and III. The former has positive sign while the latter have the negative sign for both points, x and y.

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HIGH SCHOOL

A protein that contains more isoleucine, phenylalanine and leucine than asparagine, lysine and arginine is most likely ________. A protein that contains more isoleucine, phenylalanine and leucine than asparagine, lysine and arginine is most likely ________. Neutral Hydrophobic Low on the hydropathy index scale Hydrophilic

Answers

Answer:

The correct answer is: Hydrophobic, Hydrophobic.

Explanation:

  • Proteins are made up of polypeptide chains which are formed by the polymerization of amino acid molecules, linked together by peptide bonds.
  • The amino acids can be broadly classified into non-polar and polar.
  • The non-polar amino acids can be defined as those amino acids whose side chains possess hydrocarbon molecules only. They do not possess any charge and are incapable of forming hydrogen bonds with water molecules. They tend to avoid water and so they tend to remain buried into the interior of a protein. Examples can be illustrated as Leucine, Valine, Isoleucine, Phenylalanine, etc.
  • The polar amino acids can be defined as those amino acids whose side chains either possess a charge (positive or negative) or a hydroxyl group which is capable of forming hydrogen bonds with water molecules. As they tend to form hydrogen bonds with water molecules they are usually found on the surface of the proteins. Examples can be illustrated as Lysine, Arginine, Serine, Asparagine, etc.
HIGH SCHOOL

The part of the nerve cell which receives messages is the_____________

Answers

Https://quizlet.com/153751639/ap-psychology-unit-4-flash-cards/
Hey user☺

Dendrite is the correct answer☺☺
MIDDLE SCHOOL

LESSON 5: bio 1A Cells and homeostasis #1 which of the following are factors that both unicellular and multicellular organisms actively balance in order to achieve homeosis?

A.) size, shape, and mass

B.) texture, density, and flexibility

C.) wastes, nutrients, and water (CORRECT)

D.) sound, light, and temperature


#2. what would be the outcome of a unicellular organisms that can not maintain homeostasis?

A.) it dies (CORRECT)

B.) it divides

C.) it shrinks

D.) it grows larger

#3 which of the following statements are true?

A.) both unicellular and multicellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts (CORRECT)

B.) only multicellular organisms have structures that enable them to regulate excess water entering their cells

C.) unicellular organisms can protect themselves against too much water uptake by closing their membrane channels that allows water transport

D.) unicellular organisms, but not multicellular organism, must deal with the movement of water by osmosis across their cell membranes

#4. how are cells in a multicellular organisms able to achieve homeostasis?

A.). they are uniform in function at work independently from one another

B.). they are specialized in function and work independently from one another

C.). they are uniform in function and work cooperatively with one another

D.) they are specialized in function and work cooperatively with one another (CORRECT)


1.) C
2.) A
3.) A
4.) D

i got a 4/4 a %100
hope this helps :)

Answers

Answer#1 (C) Wastes, nutrients and water Explanation:  

It is the replacement of a section or one part of an insect or a different segmented animal by a composition composed of a different section, primarily through mutation. In evolutionary developmental biology, homeosis is the transmutation of an individual organ into another, resulting from a mutation or mis expression of several developmentally important genes, especially homeotic genes.

Answer#2 (A) It dies

Unicellular organisms are the once which carries only one cell. Homeostasis is the state organism requires to operate at highest productivity. If an organism does not preserve homeostasis, the organism will not be capable to perform at full ability. Living things react to stimuli that happen inside them.  


Answer#3(A) Both unicellular and multi-cellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts.

The amount of salt in the center of the living cells is greater and so the water will flow from the medium which has no salt to the interior of the cell where there is salt, this process is called as osmosis. And as a result to this salt content is higher in both the cellular organism.


Answer#4 (C) They are specialized in function and work cooperatively with one another.

Cells are categorized according to their function so that they can interact with one another and work together. Similarly, the once that does not possess same functions are kept apart so that living process does not pauses or stops.  


Is this actually a question? Lol.
HIGH SCHOOL

Alcohol affects the brain centers:
a. equal
b. not equal
c. depends on what you drink

Answers

I believe it would be A
HIGH SCHOOL

Which of the following best describes what happens during a cross-over event? A. Tetrads change orientation as they line up along the center of the cell.
B. Chromatids of homologous chromosomes exchange corresponding segments. C. X and Y sex chromosomes overlap and combine together during metaphase. D. Spindle fibers overlap and attach to the wrong chromosomes during anaphase.

Answers

The answer is B. Chromatids of homologous chromosomes exchange corresponding segments
The crossover in this context  is the exchange of genetic material between homologous chromosomes. Homologous chromosomes are  only present in the meiosis I, but not in meiosis the II. Because of the crossovers, now a new and unique gene combination is created resulted in completely unique individual

Answer:

b. Chromatids of homologous chromosomes exchange corresponding segments.

HIGH SCHOOL

Which microorganism is most closely related to plants? cyanobacteria green algae red algae brown algae?

Answers

green algea are closely related to plants. even though all living organisms that possess chloroplasts originated from cyanobacteria, their evolving order is as follows;The chloroplast of modern plants is thought to have undergone through the following sequence
cyanobacteria→green algea→plants. so it is clear that plants are closely related to green algea because plants evolved from them
MIDDLE SCHOOL

Click the substances produced when photosynthesis take place(check all that apply) A) oxygen
B) ATP
C) carbon dioxide
D) glucose

Answers

Carbon dioxide jdjdjddhhdhdhdjsjsnjdjdjajshdhhdhshshsh
A- we breathe in oxygen and plants produce that
b- im not too sure about this, i know photosynthesis does produce ATP but idk if it's the end resulting product
d- again photosynthesis does produce glucose ( This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) but idk if the question is asking for the final product
hope that helped
HIGH SCHOOL

The cellular processes of neurons that provide receptive surfaces for input from other neurons are

Answers

The answer is dendrites. The protoplasmic projections of the neuron join other neurons dendrites enabling ann intricate network of neural networks, especially in the brain. The junction at which their  join is called a synapse.  Impulse travel from these dendrites to the body of the cell (soma) and through the axon




HIGH SCHOOL

During which succession do new species move into an area and colonize it?

Answers

the correct answer is primary succession

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