Hello, I have a final biology exam tomorrow at 12 pm in Palestine and I need help , can you help me please ??​

Answers

Answer 1

Answer:

yes please say the problem

Answer 2

Answer:

Sure thing

Explanation:

Just make sure it's legal,lol

just kidding,but am looking n Africa so can you send the time difference so I can know when to ce online?


Related Questions

In your own words, explain why an organism would require all four of the main biomolecules. What would occur if any of these biomolecules were missing? Are any of the biomolecules more important than the others? Is there one that we could live without?

Answers

Answer:

An organism requires all four main biomolecules because each provides a specific and necessary function for the organism. None of the biomolecules is more important than another, and if any of them were missing, life would not be possible.

Explanation:

The main biomolecules of living beings are carbohydrates, proteins, lipids and nucleic acids, each with a specific function and necessary for the development of life.

The presence of these four biomolecules is necessary because each one fulfills specific and irreplaceable functions, such as:

Carbohydrates: are the main source of energy, forming part of organic biomolecules such as glycolipids, glycoproteins or sugars that form the structure of nucleic acids.Proteins: important for their structural function and for molecules such as enzymes, which contribute to organic functions. They are also part of the cell membranes.Lipids: are the molecules that predominantly form the cell membranes. Additionally, they form functional molecules, such as hormones, and are a reserve energy source.Nucleic acids: DNA and RNA are not only necessary for organic biosynthesis, but also determine the structure and function of each organism. The reproductive and perpetuation function of the species is based on the transfer of genetic material contained in the DNA to the offspring.What would occur if any of these biomolecules were missing?

If one of the main biomolecules were missing, the function it provides could not be supplied by another, which would imply the non-viability of a living being. If carbohydrates are missing there is no source of energy, without proteins there would be no tissues like muscle and no enzymes to facilitate organic reactions and without lipids there would be no cells. The absence of nucleic acids, per se, would determine the impossibility of all organic processes.

Are any of the biomolecules more important than the others?

No one biomolecule is more important than another. Each one of them fulfills a specific and necessary function that cannot be supplied by another biomolecule.

Is there one that we could live without?

All organic molecules are necessary, fulfilling an important function. The lack of any biomolecule in the organism is incompatible with life.

An organism requires all four of the main biomolecules because they're all important for the effective functioning of the organism.

It should be noted that the main biomolecules include protein, lipid, carbohydrates, and nucleic acids. They all play a vital role in how an organism functions.

If any of these biomolecules were missing, the function that can be provided by the biomolecule can't be provided by another biomolecule since they all play different roles. Also, there's no biomolecule that's important than another.

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Most of the cells in your body are ______ cells.
somatic
haploid
germ
gamete

Answers

Answer:

somatic

Explanation:

because it means body cells :)

Biology enzymes! Help me somebody please. Am I correct?

Answers

Explanation:

I am almost positive you messed up a squeeze, so see how it is in the 4? Well that may mean it's 4, then the 5 is measured by the smaller line going before the 6.

Question 18 of 25
What always forms when a chemical reaction occurs?
A. Molecules of water and a lot of energy
OB. A substance that is different from the reactants
OC. A substance that cannot be broken down any further
OD. Atoms of an element not found in the reactants

Answers

The answer would be B in a chemical reaction one or more substances, the reactants, are converted to one or more different substances, the products.

-1- Lipids cannot be considered polymers because​

Answers

Answer:

Lipids cannot be considered polymers because, unlike carbohydrates, they are constituted of several units that are different.

Explanation:

Unlike other biomolecules —such as carbohydrates, proteins and nucleic acids— lipids are not considered polymers because the subunits that form them are different, in addition to being made up of a larger molecule, from which they can grow.

Polymers are formed by repeating subunits, having the possibility of forming and growing at either end of their chain. Polymerization is a characteristic shared by carbohydrates, proteins and nucleic acids, but not by lipids.

Lipids are biomolecules of hydrophobic nature formed predominantly by carbon and hydrogen, whose structure can be linear or forming rings. They have biological importance as they are the main component of cell membranes, reserve energy substrate and form molecules such as hormones.

Suzanne drew a diagram to compare the functions of roots and leaves. Which characteristic belongs in the area marked Y?

- anchors plant
- stores food
- absorbs minerals
- produces glucose

Answers

Answer: absorbs minerals

Explanation:

Answer:

the dude above is right

Explanation:

Determine whether each statement describes relative age or absolute age.

This is the correct answer

Answers

Answer:

Thank You!!

Explanation:

One coastal cholla cactus can house the nest of the cactus wren containing two adults and up to five young and provide food for their life time. Six cholla cactus are counted in a study area. What is the maximum carrying capcity of wrens in the study area?
Question 4 options:

42

12

7

1

Answers

The maximum carrying capcity of wrens in the study area is 42 wrens.

So, the correct option is 42.

A species of wren unique to the deserts of the southwestern United States and northern and central Mexico is the cactus wren. Its brown feathers are marked with black and white dots. It has a recognisable white eyebrow that extends all the way down to the nape of the neck.Arizona's state bird is a cactus wren. Due to its upward-pointing tail and darting flight, the wren is easily identified. Due to its small size and brown colouring, the wren is a challenging bird to identify. They are naturally reserved and shy. The best approach to locate one is to pay attention to its obnoxious melodic trills and chastising clicks.

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1) Propose an idea for an organic Asian or Hispanic food offering...

Answers

Organic Asian or Hispanic food that could be could be offered at the international section or aisle of a grocery store could be condiments, sauces, dry and packaged noodles, etc.

Condiments: Asians are known for their condiments that are flavor-bombs and pair really well with the main course.Sauces/ Curry pastes/ spices: They're authentic to the lands of Asia and offer that organic touch to the food that Asians look for in a foreign land. They elevate the taste of the dishes they're added to. Examples of condiments and sauces include soy, teriyaki, siracha, gochujang, chili sauce, fish sauce, oyster sauce etc.Spices like galangal, kaffir lime, lemongrass, turmeric, ginger etc. Dry and packaged noodles: What is Asian cuisine without it's noodles? Glass noodles, rice noodles, vermicelli noodles etc. Moreover, Asian ramen has a far superior taste than any other.

Hence, the examples mentioned above can be a good addition to the grocery store offering Asian food supplies.

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What is the difference between sickle-
cell amino acid sequence and normal amino
acid sequence?

Answers

There is a single cell substitution in the 4th amino acid in the sequence. glutamic acid is replaced by valine in the sickle cell sequence

NEED HELP ASAP WILL GIVE BRAINLIST

Answers

The answer is b. The ability of all living things to maintain a relatively stable internal environment

compare and contrast prokaryotic vs eukaryotic

Answers

Answer:

prokararyotic: organisms whose cells lack a nucleus and other organelles

two distinct groups: the bacteria and the archaea

eukaryotic: organisms whose cells contain a nucleus and other membrane-bound organelles

animals, plants, fungi, and protists, as well as most algae

single cell or multicellular

eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead

Explanation:

Answer:

Prokaryotic cells lack a nucleus and are usually bacterial while eukaryotic cells have a nucleus, and chromosomes. On the other hand, prokaryotes have chromosomes but they are different, so they do not classify as chromosomes.

Hope this helps, leave a thanks if it did and have a good day!

Does the price change if you “bundle”
your insurance?

Answers

Answer:

yeah it does i think

What macromolecules in the plasma membrane are most directly responsible for transporting large.
polar molecules into or out of the cell?
carbohydrates
nucleic acids
phospholipids
proteins

Answers

Answer:

Proteins

Explanation:

There are proteins in the membrane that have channels for large polar molecules to move into or out of the cell since the plasma membrane is made of a phospholipid bilayer where the inside is non polar. This means large polar molecules need help from proteins to cross the plasma membrane.

What a person _____ become is determined by genetics, but what he or she _____ become often depends on the environment.
can; might
will not; will
can; does
does; can

Answers

What a person can become is determined by genetics, but what he or she might become often depends on the environment

Which main tissue type is shown in the picture?
connective
muscle
nervous
epithelial

Answers

Answer:

muscle

Explanation:

i think its muscle.

The muscle? It looks like a muscle with those lines and how it’s pink.

A plant reproduces by making sperm through mitosis, and the plant is haploid. It is?

A. A saprophyte
B. A gametophyte
C. A sporophyte
D. A neophyte

Answers

Answer:

the answer would just have to be c

what is mutation? why are mutations more serious when they occur in a sex cell?​

Answers

Answer:

A mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Mutations in sex cells are more serious because they are heritable and affect the next generation.

Explanation:

HELP PLEASE!!!!
An organic molecule that acts as the main energy source for cell processes. It is a carbohydrate and a product of photosynthesis.

a.oxygen

b. hydrogen ion

c. chlorophyll

d. glucose

Answers

Answer:

d

Explanation:

glucose is the only carbohydrate out of of all the optionsglucose is the main energy source for cell respirationglucose is the product of photosynthesis, O2 is the byproduct of photosynthesis

What is a hypothesis?
O A. The technology used in an experiment
OB. The way an experiment is performed
O C. A conclusion that you make about an exper
O D. An educated guess of the answer to a ques

Answers

The correct answer is D. A hypothesis is an educated guess of the answer to the question.
D is the definition of a hypothesis

Which of the following statements supports the idea from the Cell Theory?

A. An E. coll cell divides in half, forming two new cells..
C. A paramedum breaks down organic matter to live.
D. Unicellular bacteria respond to stimulus.
E. Yeast are living organisms that metabolize sugar.

Answers

The correct answer among the given statements is option A. An E.coli cell divides into two new cells, according to the cell theory.

Theodor Schwann introduced the traditional cell hypothesis/cell theory in 1839. This theory has three components. Cells make up all living things, according to the first section. Cells are the essential building blocks of life, according to the second section. The third section states that cells are descended from earlier, already existent cells that have proliferated. One of the fundamental ideas in biology is the concept of the cell/cell theory. A suggested and commonly recognized hypothesis of how the majority life on Earth operates is called the cell theory. There are following tenets of the Cell hypothesis.

1) Cells make up all living things.

2) Other living cells make all of the current cells.

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Mad cow disease is caused by deformed proteins called prions. The disease is spread when meat from an infected cow is eaten. Prions can cause normal proteins to become deformed, producing more prions. After a few years, the brain of an infected person or cow looks like a sponge full of holes. Are prions considered organisms?

Group of answer choices

Yes, because they can cause disease

No, because they can’t make their own food

No, because they are not made of cells

Yes, because they can make more of themselves

Answers

Answer:

D - Yes, because they can make more of themselves

Explanation:

A simple search online told me that they were organisms.

Which statement describes what happens to the carbon dioxide produced in cellular respiration?
O It is broken down to get oxygen.
O. It is used to produce glucose.
O It is used to store energy.
O It is breathed out.

Answers

It’s the last one - it is breathed out
It’s breathed out durrrr did y’all not watch Sid the science kid...

Which statement best explains one way CO2 is naturally removed from the atmosphere?

Answers

Answer:

Photosynthesis is the process that removes carbon dioxide from the Earth's atmosphere.

Explanation:

One way CO2 is naturally removed from the atmosphere is photosynthesis. Details about photosynthesis is given below.

What is photosynthesis?

Photosynthesis is the process by which green plants obtain their nutrition using sunlight as an energy source.

Photosynthesis combines carbon dioxide and water in the chloroplast of plant cells to synthesize glucose molecules.

The atmospheric carbon dioxide gets into the plant via the stomata on the leaves.

Therefore, One way CO2 is naturally removed from the atmosphere is photosynthesis.

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how many moles are in 17.13g of MgO

Answers

Answer:

0.4250 mol MgO

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic TableUsing Dimensional Analysis

Explanation:

Step 1: Define

17.13 g MgO

Step 2: Identify Conversions

Molar Mass of Mg - 24.31 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of MgO - 24.31 + 16.00 = 40.31 g/mol

Step 3: Convert

[tex]17.13 \ g \ MgO(\frac{1 \ mol \ MgO}{40.31 \ g \ MgO} )[/tex] = 0.424957 mol MgO

Step 4: Check

We are given 4 sig figs. Follow sig fig rules and round.

0.424957 mol MgO ≈ 0.4250 mol MgO

mRNA sequence is mutated from CCC GGG to CCG GGG. What type of mutation occurred? Select all that apply.
point mutation
silent mutation
indel
insertion
deletion
missense
nonsense mutation

Answers

Answer:

point mutation and silent mutation

Explanation:

the third cytosine is mutated to guanine => point mutationCCC codes for proline and so does CCG

mRNA sequence is mutated from CCC GGG to CCG GGG as it is the point mutation and silent mutation and the third cytosine is mutated to guanine => point mutation CCC codes for proline and so does CCG it has been observed in the medicines too.

What is Regenerative medicine?

Regenerative medicine has focused on growing specialized tissues for spinal cord injuries, diabetes, cancer, multiple sclerosis, Parkinson’s disease, and many other currently un thought-of applications.

Regenerative medicine has been defined as the branch of translational research in tissue engineering and molecular biology that deals with replacing, engineering or replace human or animal cells, tissues or organs to restore normal functioning. It also develops method to regrow, repair or replace damaged or diseased cells, organs or tissues.

Therefore, mRNA sequence is mutated from CCC GGG to CCG GGG as it is the point mutation and silent mutation and the third cytosine is mutated to guanine => point mutation CCC codes for proline and so does CCG it has been observed in the medicines too.

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Describe the structure of the cell membrane.

Answers

Answer:

The plasma membrane is composed of a bilayer of phospholipids, with their hydrophobic, fatty acid tails in contact with each other. ... Carbohydrates are attached to some of the proteins and lipids on the outward-facing surface of the membrane. These form complexes that function to identify the cell to other cells.

Explanation:

What major factors play a role in global warming?

Answers

Answer:

1. Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.

Explanation:

Natural factors and human activity are the major factors that play a role in global world. Hope this is right, if not sorry. Have a great day!

Through which process do producers make food

Answers

Answer:photosynthesis

Explanation:

if work,mark brainilest-_-

Answer:Producers make food for the rest of the ecosystem through the process of photosynthesis, where the energy of the sun is used to convert carbon dioxide and water into glucose

Which of the following is true of active transport?
A In active transport, the cell does not have to do any work as nature moves the materials across the cell membrane.
B The energy used by the cell is in the form of the ADP molecule
C In active transport, the cell must push or pump the molecules from areas of high concentration to areas of low concentration.
D Molecules called pumps function to control active transport.

Answers

Answer:

D. Molecules called pumps function to control active transport.

Explanation:

Active transport is one of the two types of transport (the other being passive transport). It is the type of transport in which substances move against their concentration gradient i.e. from a lower concentration to a higher concentration. Hence, due to this, energy input in form of ATP is required by the cell.

However, the process of active transport makes use of certain molecules called PUMPS to control it. The pumps moves ions/molecules against their concentration gradient. An example is the sodium-pottasium pump which moves sodium ions from a region of low conc. to a region of high conc.

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