Which of the following is a main difference between prokaryotic and eukaryotic cells?


A.eukaryotes are smaller than prokaryotes

B.eukaryotes do not have organelles

C.prokaryotic cells lack a membrane-bound nucleus

D.prokaryotes do not have ribosomes

Answers

Answer 1

Answer:

C

prokaryotic cell's DNA just floats around in a cluster


Related Questions

What's the independent and the dependent variable ??

Answers

Answer:

ruler

Explanation:

The independent variable is the temperature and the dependent variable is the bacterial growth

1) A class collected water samples from a nearby pond and wants to observe the samples for
microorganisms. Which microscope would be the most appropriate for the students to use?
A. Dissecting microscope
B. Compound light microscope
I
C. Transmission electron microscope
D. Scanning electron microscope

Answers

Answer:

Compound light microscope

Explanation:

This is the ideal microscope because it requires the passage of  harmless beam of light through the specimen.Since the pond contain living creatures this is best to use.

C and D both require the transmission of beam of electrons through a sample. D depends on the reflection of the electron  after scanning the specimen surfaces and sent this to the lenses of the observer.(C)involved the  passing of the beam of electrons through the specimen the interaction of the electrons with the atoms in the specimen(,therefore in both cases  these specimens can not be wet and living.

The specimen should be dry in both cases and therefore non -living ,because the chamber for the specimen must be a vacuum,and living organism can not survive in the vacuum. Thus pond water can not be used as specimen because the specimen in the water but me be living.

I am a multicellular organism. I am heterotrophic and rely on oxygen to metabolize my food. I belong to Kingdom

Answers

Answer:

Kingdom Animalia

Explanation:

Kingdom Animalia is one of the seven kingdoms living organisms are classified into. The Kingdom contains organisms called ANIMALS. They are eukaryotic i.e. possess a membrane-bound nucleus. Animals are heterotrophic i.e. they rely on other organisms for their source of energy (food).

In order to break down this food via metabolism, animals need oxygen to do so. This process is called respiration, and it yields energy in form of ATP, which is used by their cells to carry out cellular functions. Therefore, a heterotrophic multicellular organism that relies on oxygen to metabolize its food belongs to KINGDOM ANIMALIA

You do things to keep your body in balance every day. What things do you try to keep balanced in your everyday life?

Answers

Answer:

Stretches, Exercise, run 30 mins a day, eat healthy food like apples strawberries, drink water ,and sleep at the best time of the day around 9:30 or 10:26 pm

I go to the gym wake up like 7:30 a.m. drink water everyday, eat healthy like salad, fruit.. also walk for like 30 minutes. something really important always keep you mind saying you can do it because if you don't keep thinking about that you just going to be like I "never going to do this" "how much just i give up" No it's important the reminder you can do it

hope this help ;)

If you add heat to fructose what color would it change to

Answers

Answer:

like some sorta yellow, brownish color.

Explanation:

Looks like a whole pot of weed wax

A molecule of
is shaped like a double helix, which
makes it look like a spiral staircase,

Answers

Answer:

DNA

Explanation:

dna has a double helix structure. making it look like a spiral staircase

what is the role of cuticle in upper and lower epidermis

Answers

Answer:

The cuticle is located outside the epidermis and protects against water loss; trichomes discourage predation. The mesophyll is found between the upper and lower epidermis; it aids in gas exchange and photosynthesis via chloroplasts.

Explanation:

thsis answer is not from google

Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?(1 point)


A. small intestine


B. esophagus


C. large intestine


D. stomach


Will mark brainlest

Answers

The stomach is similar to the function of the bladder in the excretory system. The answer is D. stomach.

The urinary bladder is has inner distensible walls which enables it to serve as a temporal storage of urine up to 500 ml. Its functions also including expulsion of urine form the body.

Based on these functions, the stomach, which is an organ in the digestive system, also act in a similar capacity. The stomach also stores food temporally that are passed down from the esophagus.

See the attachment below for the diagram of the human stomach.

Therefore, the organ in the digestive system that has a function that is similar to that of the urinary bladder is d. stomach.

Learn more about the stomach here:

https://brainly.com/question/21282807

Answer:

C is the Correct answer.

Question 1 (5 points)
lonic bonds form when electrons are shared equally between two atoms
O True
O False

Answers

Answer:

false

Explanation:

it is formed when electrons are transferred from valence shell of one atom to valence shell of another atom

physical education have the relation with health education justify​

Answers

yes because it helps get your body right and fit and helps strengthen your muscles when you work out giving you a low percentage of getting diabetes and other unhealthy diseases
physical education helps you remain healthy and strong, which is a relation with health education

What is an easy way to calculateThe amount of energy available at each trophic level

Answers

Answer:

To complete this calculation, we divide the amount from the higher trophic level by the amount from the lower trophic level and multiply by one hundred. That is, we divide the smaller number by the bigger one (and multiply by one hundred).

Explanation:

I hope this helps you as this is the only information I got from my teacher

Suggest one factor, other than light intensity or carbon dioxide concentration, that could limit the rate of photosynthesis. How could you check if you were right?

Answers

i got a wap that’s all i have to say cactus jack sucked me

Ecosystem services are services that are supplied by humans for the environment.
O a. True
O b. False

Answers

Answer:

b) false

Explanation:

ecosystems services benifit humans, but are not supplied by humans. ecosystems can and do exist without human intervention

Organelles such as mitochondria and the endoplasmic reticulum have membranes that compartmentalize reactions and other metabolic processes. To
function properly, the organelles must move substances across their membranes.
Which of the following statements describes a feature shared by mitochondria and the endoplasmic reticulum that increases the efficiency of their basic
functions?
A
They have rigid, nonfluid membranes.
B
They have highly folded membranes.
С
They have membranes composed of many carbohydrates,
D
They have double membranes, with one membrane enclosed within the other

Answers

Answer:

b

Explanation:

The European Starling is an invasive species of songbird found here in the United States. The growing population of starlings has caused displacement of Eastern Bluebird from their normal nesting sites. This is an example of

interspecific competition.
intraspecific competition.
resource partitioning.
commensalism.

Answers

Answer:

Explanation:

European starlings are agricultural pests. They damage crops and berries. European starlings also aggressively compete with native birds for the insects they eat. ... Large numbers of European starlings can cause dangerous and expensive damage to jet engines when they get sucked in.

The growing population of starlings has caused displacement of Eastern Bluebird from their normal nesting sites. This is an example of interspecific competition.

what is interspecific competition?

Two models Lotka-Volterra model of competition and the Tillman’s model of competition are used to describe the influence of exploitative competition among species.

Interspecific competition is defined as in an ecosystem when different types of species compete among themselves for the fixed and same resources like food, shelter, light, water, and the other essential necessities.

In such one organism may lower its population size because of not able to avail the limited resources where as other organism increase in the population and they also tend to limit the growth of that particular species.

Thus, competition occurs  in two ways either at an individual organism level, namely exploitative competition and interference competition.

Learn more about interspecific competition, here:

https://brainly.com/question/7182383

#SPJ2

According to cell theory, what do each of the following organisms have in common?

Answers

Answer:

Hope it helps!!

Explanation:

According to cell theory, what do each of the following organisms have in common? Each organism is able to photosynthesize. They are all made up of the same kinds of atoms. ... Cells are the basic unit of structure for each organism.

Use the graph below to answer the question.How does temperature change with the depth of the earth?

Answers

Dunnno homie sorry bro 哈哈哈哈哈哈

What is amylase? A. another name for the large intestine B. an enzyme that breaks down food C. acid in the stomach D. a nutrient absorbed in the small intestine

Will mark brainlest

Answers

Answer:

B.) an enzyme that breaks down food!

Explanation:

Amylase is an enzyme, or special protein, that helps you digest food. It helps you break down carbohydrates and starches into sugar. Most of your amylase is made in the pancreas and salivary glands.

Answer: Hey Dude the answer is B I think sorry if i'm wrong

Explanation:

Digestion is the mechanical and chemical break down of food into small organic ... The salivary enzyme amylase begins the breakdown of food starches into ... The monosaccharides (glucose) thus produced are absorbed and then can be ... border of the small intestine absorptive cells where the long-chain fatty acids and ...

6938
The primary purpose of monoculture cropping is to maximize yields, while minimizing costs.
Select one:
-True
-False

Answers

I believe the answer is true

Describe how technology causes change

Answers

Answer:

technology causes change because it will lead to new conclusions in science which will lead to changes in the environment

Explanation:

Of the following statements, select all (2) that are true.

Answers

Answer:

First one and third one

Explanation:

I just did it and got it right hope this helped

Help me anyone if you would please

Answers

Answer:

A

Explanation:

What type of molecule is used for insulation?
A. carbohydrate
B. Proteins
C. Nucleic Acid
D. Lipids
HELPPPP PLEASE

Answers

Answer:

lipids

Explanation:

Fats are used as a high density energy storage in animals and in plants (seeds). It may also be used in animals for insulation. Phospholipids are like fats but they have two fatty acids and a phosphate group joined to glycerol.

Find the median for this set of data.
10.2.
6.8
5.4
3.7
9.3

Answers

Answer:

6.8

Explanation:

least to greatest.

3.7 5.4 6.8 9.3 10.2

if there is an even number  in the data set  then the median is found by the mean of the two middle most.

but since it is an odd data set it is 6.8

HOPE THIS HELPS!

Decide whether each statement describes mass or weight.

Answers

Answer:

pls give the statements.

what is the process to determine the mass of a powdered substance using a weigh boat?

Answers

Answer:

Explanation:

The mass of the substance is determined by subtracting the first reading from the second. A container holding the substance of interest is placed on the balance and weighed. This is the first reading. The substance to be used is removed from the container and the container weighed again.

Which cellular process takes place in the ribosomes that are bound to the endoplasmic
reticulum?

A.The synthesis of new proteins

B.The replication of nucleic acids

C.The conversion of radiant energy to glucose

D.The breakdown of waste material

Answers

a. The synthesis of new proteins

Enzymes are not specific and can work on any compound anytime

true or false

Answers

False. There are many kinds of enzymes with different shapes. These shapes allow them only to work on a specific compound.

which is an example of kinect energy​

Answers

Answer:

A

Explanation:

Kinetic energy is the energy of mass in motion, a skateboard rolling across the street is moving, therefore it has kinetic energy.

Answer:

A: a skateboard rolling across the street

All cells go undergo mitosis at least every 12 weeks. TRUE OR FALSE?​

Answers

I BELIEVE YOUR ANSWER IS FALSE
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