Which of the following substances is NOT able to simply diffuse across the 1 point
plasma membrane?*
Water
Oxygen
Carbon Dioxide
Sodium

Answers

Answer 1

Answer:

Sodium

Explanation:

because ions have a charge which prevents them from moving across the cell membrane through simple diffusion


Related Questions

Explain the steps (5) that would need to take place for primary succession to occur.

Answers

Answer:

The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.

Explanation:

5. What happens to the force between the two spheres of the same
mass when the distance the mass Spheres is halved?

Answers

Answer:

The force of gravity on each object increases with the square of the inverse distance as they fall together, and hence so does the acceleration. For example, if the distance is halved, the force and acceleration are quadrupled.

Explanation:

please answer quick! may give brainliest
What compound makes up carbohydrates?
a.
glucose
c.
amino acids
b.
nucleic acids
d.
phosphates

Answers

I believe the answer is glucose

Lemme know if you get it right :D

Answer:

a .glucose...

Explanation:

please mark as brainiliest

help! i really need help on a, b, c, d, e, f!

Answers

Answer:

a) 12 brown eyes

b) 12 brown hair

c) 3 Brown eyes blonde hair

d) 9 brown eyes brown hair

e) 3 blue eyes brown hair

f) 1 blue eyes blonde hair

1.Which of the following is an example of nature's leftovers? Oa snake eating an entire mouse carrots left underground after the leaves have been eaten aboveground O a bird eating an entire earthworm a plant growing in a garden​

Answers

Answer:

i choose O2

Explanation:

a bird eating an entire earthworm a plant growing in a garden (confused)

an earthworm and a plant are both products of nature and that is normal between nature's survival for the fittest so a plant eating an earth worm is way of showing nature's leftovers of the earth worm and plant

What is a fault line?

Answers

a line on a rock surface or the ground that traces a geological fault

what is short transfer cell in the tip of leaf?​

Answers

transfer cells are located near the finest branches and terminations of sieve tubes in leaves.

When someone tosses an object towards your face, you blink. This response is controlled
by
O A. amino acids
B. the immune system
C. hormones
a
O D. the nervous system

Answers

Answer:

D. the nervous system

Explanation:

This system of your body controls your reflexes! :D

Answer:

Nervous system

Explanation:

The nerve receptors responsible for transmission of impulses to the brain are a part of nervous system.

3'AGGTCAGGT 5
Which of these is the correct complementary DNA strand for the segment shown?
Answer
A S'AGGTCAGGT 3
B
S'ACCUGAGGU 3
C 5'TGGACTGGA 3
D 5' TCCAGTCCA 3

Answers

The correct complementary DNA sequence of 3'AGGTCAGGT 5 is - D. 5' TCCAGTCCA 3'

DNA is made of two strands of DNA strands coiled together and form a ladder-like shape. DNA molecules have four nucleotide bases that joined both strands together that are Adenine (A), Guanine (G), Thymine (T), and Cytosine(C).

Each nitrogenous base has its own complementary base in a double-helical structure.The A is complimentary T and G will have CThe complementary strand is always present in an antiparallel directionIf one strand is 3' to 5' then the complementary strand would be 5' to 3'

      So, in the given sequence:       3'AGGTCAGGT 5

     Complementary sequence:       5' TCCAGTCCA 3

Thus, the correct option is: option D. 5' TCCAGTCCA 3

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Answer:D 5' TCCAGTCCA 3

Explanation:because A turns to T and G turns to C for DNA but for RNA A turns to U and vise versa

Think about death rates and birth rates in a population. How will
the two compare in a shrinking population?
SELECT AN ANSWER
The birth rate will be larger.
Both will be equal to one another.
Neither has an affect on the population.
The death rate will be larger.

Answers

Answer:

it will compare that neither has an affect on the population and it will also compare that both will be equal to one another.Hope this helps let me know if its wrong or not have a good day.

Explanation:

It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.

What is population?

The term "population" refers to all citizens who are either permanently residing in a country or who are just passing through. This indicator reveals how many people typically reside in a certain area.

Growth rates are the population changes that occur each year as a result of births, deaths, and net migration.

The total population also includes national military forces deployed overseas, merchant mariners at sea, diplomatic staff based abroad, civilian foreign nationals residing in the nation, and internally displaced people residing in the nation. Demographic tools like population predictions are frequently used.

Therefore, It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.

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Why have plants in the alpine biome adapted to survive on limited nutrients?

Answers

Answer:

The soil in the alpine biome is rocky and nutrient poor.  Plants that live in the alpine biome must be suited to the nutrient poor soil.

Explanation:

The plants living in the alpine biome are adapted to survive on limited nutrients as the conditions in the alpine biome is harsh and not favorable. Hence, the plants have to adapt the mountain climate.

What are adaptations?

An adaptation is any physical or behavioral feature of an organism that helps them to survive better in their environment. In other words, an adaptation is something that helps them in finding food, water, mates, and shelter.

The alpine climate is the typical climate for elevations above the tree line, where the trees fail to grow due to cold conditions. The climate of alpine biomes is also referred to as the mountain climate or highland climate.

Plants which are living in alpine biomes are typically low growing due to the extreme environmental conditions. There are only about 200 species of alpine biome plants which have adapted to life in cold temperatures and sparse rainfall.

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What provides the energy to add the phosphate group back to ADP to form
ATP?
O oxygen we breathe
O excercise
O ATP in food we eat
O the food we eat

Answers

Answer:

D

Explanation:

I think that's the answer :)

The food we eat is correct

02.01 properties of water

Answers

Answer:

i know only 3 properties

Explanation:

colourless

odourless

tasteless

is protein a living cell or a virus

Answers

Answer:

Neither.

Explanation:

Proteins are molecules composed of carbon, hydrogen, oxygen, and most importantly one or more chains of amino acids. They are vital to living cells and are required in the process of making, repairing, and composing functioning tissues as well as helping them function.

I hope this helps! :)

which of the following statements describes a proton of an atom?
a. has a negative charge and is located in the nucleus
b. has a positive charge and is located in outer energy levels
c. has no charge and is located in the nucleus
d. has a positive charge and is located in the nucleus

Answers

Answer:

d. Has a positive charge and is located in the nucleus

Memory technique:

Think of the "p" and proton and the "p" in positive.

Think of the "neu" in neutron and "neu" in neutral.

Think about electrons and electricity. Touching something "elec"tric would hurt, or give you negative feelings.

Electrons revolve around the cell while protons and neutrons are a part of the nucleus because negative and positive things would not get along.

That's all I have! I hope this helps with your studying. Happy learning, friend! :)

Which letter indicates a cell structure that directly controls the movement of molecules into and out of the cell?

Answers

Answer:

Cell membrane controls the movement of molecules into and out of the cell

Explanation:

Answer:

cell membrane

Explanation:

it controls what goes in and out of the cell

name of any intrusive igneous body.

Answers

Answer:

Hello!!! Princess Sakura here ^^

Explanation:

One is batholith.

What is the function of the eukaryotic cell?

Answers

Answer: Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.

Explanation: Mark as brainllest

Answer:

their functions are different depending upon their location and organism in which they are. for example the cells of stomach wall release mucous, similarly the cell of pancreas release pancreatic juice. and the sieve tube cells help in water transfer from source to sink.

So, all this just depends upon their location and area of labor you can say. Ig i took this last year so i don't remember much

Which is true about scientific theories?
A. Scientific theories can never be proven wrong
B. Scientific theories are always unreliable
C. Scientific research theories prevent new questions from being asked
D. Scientific theories can be rejected by new reliable evidence

Answers

the correct answer is D
The person on top of me is correct it’s D I took the test

why are Some substances allowed to cross the cell membrane while other substances are not?

Answers

Answer:

membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.

Explanation:

membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.


The_____ side of a sand dune is the side without wind.
O deflation
slip face
Owindward
Oshear

Answers

Answer:

slip face is the answer

Answer:

Slip face

Explanation:

The two sides of a sand dune are the windward side and the slip face side. The slip face side is the side without wind. Accumulation of sand occurs on the windward side.

Which one is right??

Answers

Answer: A

Explanation:                  

Our solar system is in the _______ arm of the Milky Way galaxy, 28,000 light years from its center.

Answers

Our solar system is in the Orion arm of the Milky Way Galaxy, 28,000 light years from its center.

Answer:

Orion arm

Explanation:

Which of the following statements is true?

Animals cannot make their own food because they do not have vacuoles.
When you eat a carrot, you are eating ground tissue.
The main function of dermal tissue is photosynthesis.
The cerebrum controlls balance and coordination.

Answers

Answer:

when eating a carrot u r eating ground tissue

Answer:

when you eat a carrot, you are eating ground tissue is your answer

Explanation:

hope it helps

sorry i'm late to


Figure 9-4 illustrates which stage of mitosis?

Answers

I need a picture so i can answer this

If a section of DNA experiences base mutation at a predictable rate, then ________________.

Answers

Answer:

your answer would be These external agents of genetic change are called mutagens. Exposure to mutagens often causes alterations in the molecular structure of nucleotides, ultimately causing substitutions, insertions, and deletions in the DNA sequence.

i don't know if this is correct or not let me know please.

Explanation:

can someone help me with this worksheet

Answers

Answer:

1. tissues

2. skin

3. connective tissues

4. brain

5. organ

6. taste buds

7. epithelial tissues

8. organ ssytems

9. organism

10. nerve tissues

the part that form of fruit after fertilization​

Answers

Answer:

Ovules

Explanation:

After fertilization occurs, each ovule develops into a seed. Each seed contains a tiny, undeveloped plant called an embryo. The ovary surrounding the ovules develops into a fruit that contains one or more seeds.

Hope this Helps

What kind of protist causes dysentery?
A euglena
B amoeba
C algae
D slime mold

Answers

Answer:

D

Explanation:

Which of the following units are repeatedly joined together to form a strand of DNA?​

Answers

Answer:

Nucleotides

Explanation:

The nucleotides forming each DNA strand are connected by noncovalent bonds called hydrogen bonds.

Nucleotide is the unit that repeatedly joined together to form a strand of DNA.

What is DNA?

Deoxyribose + phosphate group + thymine could be a nucleotide of DNA and defined as deoxyribonuclic acid and it is a polymer made up of two polynucleotide chains that arranged in foiled structure to form a double helix carrying genetic information for the various processes such as growth development  functioning and reproduction.

There are four nitrogen bases of DNA nucleotides are such as adinine, thymine, guanine and cytosine.

Friedrich miescher discovered DNA in the year of 1860.The shape of DNA is double helical structure

The main function of DNA is to carry information from one generation to another generation this is the reason due to which DNA is also known information molecule.

In our body DNA is found in the nucleus of the cell and it is known as nuclear DNA. The shape of DNA is double helical structure.

Siblings share only about 50% of same DNA due to the reason of recombination. The life span of DNA is 521 years.

Therefore, Nucleotide is the unit that repeatedly joined together to form a strand of DNA.

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