Describe some sources of water pollution.

Answer:

The greater the surface-area to volume ratio of a cell, the easier it is for the cell to get rid of wastes and take in essential materials such as oxygen and nutrients.

Hope this helps!

Answer:

low blood viscosity

Explanation:

Answer:

False

Explanation:

Uncertainty is one of the biggest parts of science.

There are many things that have been uncertain in science, and there are still lots of things for us to discover.

Uncertainty in science is the reason why experiments are done and why hypotheses are made.

Uncertainty IS a part of science, and is a very important part, so the statement is false.

Answer:

false

Explanation:

scientists are uncertain all the time.

Answer:

Water (H2O)

Explanation:

The final acceptor molecule in the electron transport chain is oxygen. When oxygen accepts hydrogen ions, it forms water. This is why water is released as a byproduct of cellular (aerobic) respiration

Answer:

Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. Eukaryotes belong to the domain Eukaryota or Eukarya; their name comes from the Greek εὖ and κάρυον. The domain Eukaryota makes up one of the domains of life in the three-domain system; the two other domains are Bacteria and Archaea. Eukaryotes represent a tiny minority of the number of living organisms; however, due to their generally much larger size, their collective worldwide biomass is estimated to be about equal to that of prokaryotes. Eukaryotes evolved approximately 1.6–2.1 billion years ago, during the Proterozoic eon.

Explanation:

Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.

HOPE IT WILL HELP U!!!!!

Answer:

Plasma Membrane

Explanation:

Hope this helps any!

Answer:

A

Explanation:The more surface evaporation, the higher the salinity.

But more precipitation can reduce salinity.

Answer:

Non-living things.

Explanation:

The phosphorus cycle is the biogeochemical cycling of phosphorus, a very important element of living things, between the living and nonliving parts of our world.

Answer:

Dead things.

Explanation:

Also water, rocks, and the atmosphere.

Answer:

The Dependent and Independent Variables

The independent variable is the variable that is controlled and manipulated by the experimenter. ... The dependent variable is the variable that is measured by the experimenter. In our previous example, the scores on the test performance measure would be the dependent variable.                                              Hope this helps leave heart c:

Answer:

Cellular division

Explanation:

it's because abnormal production (mutations) causes leukemia

cellular division is most likely affected by this new drug in case of leukemia. Thus option D is correct.

Leukemia is a cancer related abnormal division in blood or blood-forming cells. It is other wise known as blood cancer.

The exact cause is not known, major risk factors are radiation exposure, chemotherapy for cancer, smoking, family history of leukemia, and exposure benzene.

Leukemia cells, do not clump to form tumor, due to this  leukemia is not diagnosed through imaging tests.

Common symptoms include pain in the bones, swollen lymph,, bleeding and bruising  nodes, feeling weak, fevers or night sweats etc.

Leukemias can be acute or chronic.

On the basis of cell type affected  four types of leukemia observed such as acute lymphoblastic leukemia (ALL), chronic lymphocytic leukemia (CLL), acute myelocytic leukemia (AML), and chronic myelocytic leukemia (CML).

Thus option D is correct.

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Answer:

Explanation:

CAUSE

Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.

Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.

EFFECT

Diseases can affect people not only physically, but also mentally, as contracting and living with a disease can alter the affected person's perspective on life. Death due to disease is called death by natural causes.

Answer:

RNA is single-stranded while DNA is double-stranded. RNA contains uracil while DNA contains thymine. RNA has the sugar ribose while DNA has the sugar deoxyribose.

Answer:

Differences -

DNA is made of sugar deoxyribose, RNA is made of sugar ribose

DNA is a double-stranded molecule, RNA is a single-stranded molecule

DNA is stable under alkaline conditions, while RNA is not stable

DNA stores genetic material, RNA converts information from DNA to proteins

Similarities -

Both store genetic infrmation

Both DNA and RNA consists of sugar, nitrogenous bases, and a phosphate backbone

Explanation:

Answer:

RNA is Ribonucleic acid

mRNA

rRNA

tRNA,

Explanation:

mRNA, or messenger RNA, that serve as temporary copies of the information found in DNA; rRNA, or ribosomal RNA, that serve as structural components of protein-making structures known as ribosomes; and finally, tRNA, or transfer RNA, that ferry amino acids to the ribosome to be assembled

Answer:

true

Explanation:

Answer:

true

Explanation:

Answer:

Hey mate,here is your answer. Hope it helps you

Explanation:

Local winds are basically of two types:-  

The sea breeze is a thermally produced wind blowing during the day from the cool ocean onto the adjoining warm land. It is caused by the difference in the rates of heating between the land and the ocean. The bigger the difference in temperature, the stronger the wind.

For example, hot land temperatures next to cold ocean temperatures will create a stronger sea breeze than land temperatures that are only a little bit warmer than the ocean temperatures. So during the afternoon when the temperatures differences are normally at their highest, the sea breeze will normally be at its strongest, bringing relief from the heat to beachgoers.

This process also works in reverse at night. Only this time it is known as the land breeze. The land breeze is a coastal breeze at night blowing from the land to the ocean. It is caused by the difference in the rates of cooling of the land and of the ocean. Once again, the bigger the difference in temperature between the two, the stronger the wind.

Answer: The explorer should enter the harbor at daytime, because it is very bright and he can see where he goes. The explorer should go home when it is dark. Hope this helps!

Answer:

Carbohydrate

Explanation:

Cellulose is a type of carbohydrate

Answer:

coconut oil

Explanation:

Answer:

Nucleus

Explanation:

C - Classified as one of the smallest parts that together formed all living

E - Each one made out from division

L - Living biological structure found in a

L - Living organism that is also created

S - Surely every individual is aware of that

C - Compartments seem by Hooke

E - Every organism's building blocks

L - Life's processes carried out within

L - Little factories for protein

Don't expect too much on this answer because I'm bad at biology :/

Answer

use the information youhave about the cell theory and put it into a poem

Explanation:

Answer: Magnesium is the correct answer

Answer:

Prokaryotes lack a true nucleus with well defined nuclear membrane and other membrane-bound organelles. Mitochondria are the double membrane bound organelle and hence is absent in prokaryotes. Mesosome is an extension of the cell membrane presence in the cytoplasm as infolding and serves to increases surface area and as a site for cellular respiration in prokaryotes. Histones are positively charged proteins that serve in the packaging of negatively charged eukaryotic DNA but are absent in prokaryotes.

So, the correct answer is option A.(DNA is complexed with histones).

The statement which is not true for prokaryotic cell is that they are all parasitic. Thus, the correct option is C.

Prokaryotes are the organisms whose cells lack a nucleus and other membrane-bound organelles. Prokaryotic organisms are divided into two distinct groups which are the bacteria and the archaea, which scientists believe to have the unique evolutionary lineages. Most of the prokaryotes are small in size, single-celled organisms which have a relatively simple structure.

Examples of prokaryotic organisms are blue-green algae, bacteria and mycoplasma. Among the prokaryotes, bacteria are the most common and multiply very fast.

Therefore, the correct option is C.

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Your question is incomplete, most probably the complete question is:

Which one of the following is not true of prokaryotes ?

(a) They are living cells

(b) They lack a nucleus

(c) They all are parasitic

(d) They are both archaea and bacteria