An amoeba that lives in salt water does not have a contractile vacuole to do so.
Explain observations.

Answers

Answer 1

Answer:

what do we call a mutation that involves one or just a few nucleotides


Related Questions

what does it mean when the lining of the uterus is thick?

Answers

Answer:

When the endometrium, the lining of the uterus, becomes too thick, it is called endometrial hyperplasia. This condition is not cancer, but in some cases, it can lead to cancer of the uterus.

Explanation:

endometrial hyperplasia

what are the scientific importances of studying anatomical features of angiosperns​

Answers

Answer: All angiosperms are comprised of stamens which are the reproductive structures of the flowers. They produce the pollen grains that carry the hereditary information. The carpels enclose developing seeds that may turn into a fruit. The production of the endosperm is one of the greatest advantages of angiosperms.

Explanation:

features of a depositional coast may include spits, barrier islands, tombolos, and __________.

Answers

It would be stacks !!

which type of rock is made of tiny bits of animal shells?

Answers

The answer is limestone

Summary of Mk 3:22
summary of Lk 19:47
summary of Lk 13:33:34
summary. of Mt 17:12
summary of Mt 20:18-19
plss answer

Answers

Answer:

[tex]3 \times 22 = 66 \\ 2.19 + 47 = 66[/tex]

which statement about food production since 1960 is true?

Answers

Answer:

During this time our food production has grown even faster than our population

Explanation:

hope this helps you if it does please mark brainiest

what do you think would happen to a population of bacteria in a petri dish over time in ideal condition?

Answers

Answer:

the bacteria would continue to grow untill the agar is completly corroded as the bacteria eats away at it, after the agar is consumed the bacteria would die away as it doesnt have the sufficient nutrients to live

Explanation:

Why are viruses like the avian flu important for vet scientists to study?

Answers

Answer:

to help detect other livestock diseases early could help to prevent the staggering economic losses

(short answer but hope this helps) :)

How is an angular unconformity different then a disconformity?

Answers

Answer:

Angular unconformity represents the folding of an old sedimentary sequence, planing of the tilted strata by erosion, and the deposition of a young sedimentary sequence on the old truncated strata. ... Disconformity refers to an unconformity in which the beds above and below the surface are parallel.

Organos involuntarios de la respiración
-traqueal
-cutanea
-branqueal

Answers

Answer:

BRANQUEAL THANKS ME LATE

What molecule, located in the nucleus, is composed of two strands forming a double helix, and what is its function?
O It is a protein, and it catalyzes cellular reactions.
O It is a carbohydrate, and it is a source of cellular energy.
O It is DNA, and it stores the genetic information of cells.
It is RNA, and it is directly involved in the synthesis of proteins.
on

Answers

DNA because DNA always has a double helix

6. Identify the type of climate data that has the longest data range. 1. microscopic organism 2. data sediment core 3. data tree ring 4. data ice core data​

Answers

Complementing data, taken from different sources such as tree rings, sediments, and ice, provides significant information about global climatic changes. However, ice core data​ has the longest data range. (4) is correct.

-------------------------------

Ice core data​ refers to the information obtained from a sample of ice taken from a glacier or a mountain.

Information kept in the ice is mostly about gases concentration at different moments though time.

Analysis of retained gases in Antarctic ice, through perforations of over 2000 meters deep, has allowed knowing the CO₂ atmospheric concentrations and other gases involved in the greenhouse effect for at least 150,000 years.

These concentrations have varied in the temporal scale of glaciation, showing low concentrations during glacial periods with low temperature and relatively high concentrations during interglacial periods with high temperature.

Between these two periods, abrupt variations in temperature and gas concentration are detected, meaning that changes in CO₂ cause changes in temperature.

The increase in CO₂ is a highly significant component in global climatic change and possibly the best documented.

This information is the best paleoclimatic documents.

Complementing it with marine sediments core and data tree rings makes it possible to know about the principal traits of terrestrial weather in the lasts 420,000 years, practically four glacial-interglacial cycles.  

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What is the number of chromosomes in each Meiosis I daughter cell

Answers

Answer:23 chromosomes

Explanation:

To take human being for example,

There is 46 chromosomes in a human cell, and half is from father, and the other half is from mother. We call the chromosome is a pair. We write it 2n= 46.

In the meiosis I, the chromosomes is 1n=23.

It is 23 chromosomes

Why is it important to form a hypothesis at the beginning of an experiment?
What is a scientific theory?
What is a scientific law?

Answers

Answer:

cvcccca

Explanation:

ajh

muscle cells are said to have what characteristic because they can respond to stimulation from the nervous system?

Answers

Answer:

Muscle cells are excitable; they respond to a stimulus. They are contractile, meaning they can shorten and generate a pulling force. When attached between two movable objects, in other words, bones, contractions of the muscles cause the bones to move.

Explanation:

Hope this helps.

Which of the following describes how oxygen moves during respiration?

Answers

Answer:

b. External respiration- from the air to the blood; Internal respiration from the blood to the tissues.

Explanation:

Can someone explain this I don’t get it. Please asap test tmr

Answers

1. 50, 10grams passed through barrier to equalize
2. 50, same as 1
3. 40, can’t pass through barrier
4. 60, same as 3
5. water level rises in side2, lowers in side 1 because 10 grams of liquid passed through barrier

which structures are common to both plant and animal cells?

Answers

Answer:

What are:

Nucleus

Cell Membrane

Cytoplasm

Mitochondria

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Miss Hawaii

Explain how fitness can change the allele frequency of a population. PLZ no link

Answers

Answer:

Natural selection can cause microevolution (change in allele frequencies).

Explanation:

With fitness-increasing alleles becoming more common in the population.

Fitness can affect the survival and reproduction rates of individuals with different alleles, leading to differential contribution to the next generation and changes in the frequency of these alleles in the population.

What is fitness?

Fitness is a measure of the reproductive success of an individual within a population. The fittest individuals are those that are most successful at passing their genes on to the next generation. When the environment changes, the selective pressures on a population also change. This can lead to changes in the relative fitness of different individuals, and thus changes in the allele frequencies of a population over time.

For example, if a population of birds lives on an island with small seeds, those birds with small beaks may be more fit than those with larger beaks. This is because they are better adapted to the environment and can more easily obtain food. Over time, the frequency of the small-beaked allele will increase in the population, while the frequency of the large-beaked allele will decrease.

Thus, fitness can drive changes in the allele frequency of a population over time by favoring those individuals with alleles that are better adapted to the environment.

Learn more about allele frequency, here:

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Question 4 of 25

How are photosynthesis and cellular respiration related?

A. Cellular respiration is the process animals use to produce glucose, while photosynthesis is the process plants use to produce glucose

B. The products of photosynthesis are the reactants of cellular respiration

C. Photosynthesis produces water molecules, while cellular respiration splits water molecules apart.

D. Cellular respiration provides the energy for photosynthesis.​

Answers

Answer:

B. The products of photosynthesis are the reactants of cellular respiration.

Answer: I think its B.

Complete the blanks in the following paragraph using the appropriate words from the list:

anterior, bilateral, inferior, lateral, medial, posterior, superior

Dominic's friends thought they were really funny when they dropped a water balloon on his head! The water drenched the (1) ___ portion of his head and then ran down the (2) ___ portion of his body, getting the front of his shirt all wet. He and his younger brother decided to get back at his friends by sneaking up on them with their water guns. They tiptoed up behind C.J., soaking his back and the entire (3)___ of his body. Next, they snuck up on Tony. Dominic sprayed down the middle, (4)___ part of Tony's body while his brother sprayed the arms and other (5) ___ portions. Good thing it was a hot day because everyone was soaked by the end of the game!

Answers

Answer:

1 Superior

2 Anterior

3 Posterior

4 Medial

5 Bilateral

Which climate zone generally receives the least amount of the
sun's energy?
a) tropical zone
b) subtropical zone
c) temperate zone
d) subpolar zone
What are climate zones?

Answers

Answer:

d) subpolar zone

What do climate zones mean?

A climate zone is a world area or region distinguished from a neighbor by a major physical climatic characteristic that is of global scale.

Which type of ATP production requires oxygen?​

Answers

Answer:

Cellular respiration

Answer:

Cellular respiration

Explanation:

because it needs it to release energy from food for use by cells.

what is an example of gravitational potential energy

Answers

Answer:

2y r

Explanation:

sir for k the hook any study buy

1. Why do most enzymes have Km values the same or similar to the concentration of their substrates This is necessary for cooperative enzymes All answers are correct (except none) Allows the enzyme to function at Vmax None of these answers are correct Allows Vo to respond to changes in substrate concentration

Answers

Answer:

c

Explanation:

A toy car that is 0.5 feet long is used to model the actions of

Answers

Answer:

0.5 ft / 15 ft = 1/30

The model is 1/30 the size of the actual car.

Is this correct?  

Which RNA nucleotide is complementary to thymine?

adenine

uracil

guanine

cytosine

Answers

Answer:

uracil

Explanation:

uracil ofc ig yuh

Which process is responsible for the repair of multicellular organisms?

Answers

Answer:

Hey mate....

Explanation:

This is ur answer....

Mitosis

Mitosis is the process responsible for regeneration and repair. Mitosis helps in cell growth and development. Cells can grow old and wear off or they can get bruised and injured but eventually, they repair and regenerate.

Hope it helps!

Brainliest pls!

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Enzymes are described as catalysts, which means that they __________. View Available Hint(s)for Part A increase the free energy of the reactants to make the reaction go faster provide activation energy for the reactions they facilitate can alter the free energy change (ΔG) for a chemical reaction are proteins increase the rate of a reaction without being consumed by the reaction

Answers

Answer:

Enzymes are proteins that are able to increase the rate of a reaction without being consumed by the reaction. They are also called natural catalysts.

Explanation:

Enzymes increase the rate of chemical reactions inside cells by lowering the activation energy required for the reaction to proceed.

Hope this will help :)

Which process occurs directly after meiosis II?
DNA replication
reproduction
cell differentiation
mitosis
1

Answers

DNA replication
Because it is

Answer:

It's cell differitiation

Explanation: I took the test and got it right trust me.

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