Biology High School

Sickle-cell anemia is caused by a mutation of one nucleotide in a gene. The type of mutation that causes sickle-cell anemia is known as

Answers

Answer 1

Answer:

im not so sure but i thinks its frame shift mutation

Explanation:

Answer 2

Answer:

frameshift

Explanation:

i hope this helps i just took the test

Related Questions

In peas, the green pod color (G) is dominant to the gene for yellow pod color (g). If two heterozygous plants (Gg) are crossed. What percent of the offspring will be Green?

0%

25%

50%

75%

Answers

Answer:

Explanation:

took the test

Definition: This is is a medical procedure used in prenatal diagnosis of chromosomal abnormalities in
which a small amount of amniotic fluid is extracted amniotic sac surrounding a developing fetus and the
fetal DNA is examined.

Answers

Answer:

Amniocentesis

Explanation:

It involves inserting a long needle to extract fetal cells from the fetus's surrounding fluid for these diagnostic purposes. It is a risky procedure that has since been widely replaced by cell-free DNA testing.

4. Which of the following is true regarding genetic mutations?
a. All mutations are harmful.
b. All mutations are beneficial to the organism.
c. Mutations can be harmful, beneficial, or have no effect on the organism.

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Answer:

Explanation:

mutations can be harmful, helpful, or neutral depending on the environment

What do acids react with in limestone to form giant cave systems?

metals
hydroxides
carbonates
lipids

Answers

Carbonates. Caves are formed through a form of chemical weathering that is called carbonation.

What is the correct answer???

Answers

Answer:

U U G

hope you have a good day/night make sure to do good in school and try your best :)

UUG is the correct answer

How do I revise efficiently?
I have a biology test and I want to get a good grade so I am currently trying to learn how to revise. I have 0 experience in revising since I usually have good grades in tests and all but I don't feel confident with biology...

Answers

Answer:

Try to stay focused and make sure any distractions you have around are put away. This will help you focus!

Explanation:

Try chewing on a piece of gum while revising and chew the same flavor of gum when you take the exam this will help you remember everything you studied.

Also, don't forget to say "Rabbi Zidni ilma"

check out the image

Answers

I think it’s b hope this helps

The answer is the second one I think

All animals have the same tolerance range.

True

False

Answers

That is False. All animals do not have the same tolerance range.

Answer:

False

Explanation: Diffrent animals have different tolerance ranges

what are the parts of the plant and flower?

Answers

Answer:

f a flower contains all four main parts ( sepals , petals, stamens, and carpels), it is called a complete flower. Sepal: This typically green, leaf-like structure protects the budding flower. Collectively, sepals are known as the calyx. Petal: This plant structure is a modified leaf that surrounds the reproductive parts of a flower.

Explanation:

Help this help you to choice...

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?

a) when a protoeukaryote engaged in a symbiotic relationship with a protocell

b) from infoldings of the plasma membrane, coupled with mutations of genes for proteins in energy-transfer reactions

c) from the nuclear envelope folding outward and forming mitochondrial membranes

d) by secondary endosymbiosis

e) from engulfed, originally free-living proteobacteria

Answers

Answer:

e) from engulfed, originally free-living proteobacteria

Explanation:

The bacterium was captured by a eukaryotic cell and then the cell evolved into the mitochondria we know today!

According to the endosymbiotic theory of the origin of eukaryotic cells, mitochondria formed from engulfed, originally free-living proteobacteria. The correct option is e.

What is proteobacteria?

Proteobacteria are a major phylum (group) of bacteria. Pathogens such as Escherichia coli, Salmonella, Vibrio cholerae, Helicobacter pylori, and many others are among them.

Others are free-living, and they include many of the bacteria that fix nitrogen.

Proteobacteria, which includes mesophilic and neutrophilic bacteria, is the second largest phylum of hydrogenogenic CO oxidizers. Members of this phylum can be found in a variety of classes.

According to the endosymbiotic theory, mitochondria and chloroplasts were once free-living bacteria that were phagocytized but not digested by another cell.

According to the endosymbiotic theory of eukaryotic cell origin, mitochondria evolved from a rickettsia that was phagocytized but not digested by the larger cell.

Thus, the correct option is e.

For more details regarding proteobacteria, visit:

https://brainly.com/question/13383583

#SPJ5

Animal waste decay by the action of bacteria which create _____________and __________ products rich in nitrogen, and useful for plants to use again.

Answers

Answer:

Ammonia and nitrate

Explanation:

Please as help! Explain how important has been for animals to have internal fertilization? Provide two
arguments supporting your answer

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Answer:

Why is internal Fertilisation important to animals?

Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young.

Explanation:

How do the size of the two atria compare to the ventricles

Answers

Answer:

Atria are the smaller upper chambers while ventricles are the larger lower chambers off the heart.

Explanation:

the main difference between them is that atria receives blood into the heart whereas ventricles pump blood outside the heart

please help me with this homework problem!!

Answers

Answer:

the last one. Tt and tt

Explanation:

the answer is Tt and tt because

what's the most common way to vote using parliamentary procedure?

Answers

Answer: Ye ye

Explanation:

itssss bbbbbbbb

The Florida Everglades is a large warm wetland with many plants and animals. Which of Earth’s systems interacts with the biosphere in the Florida Everglades?

A.
hydrosphere, geosphere, and atmosphere

B.
hydrosphere, atmosphere and cryosphere

C.
hydrosphere only

D.
hydrosphere and geosphere only

Answers

Answer:

Explanation:

Distinguish between the following pairs.
a.active transport and passive transport
b. exocytosis and endocytosis
c diffusion and osmosis
d. hypertonic and hypotonic

Answers

Answer:

Explanation:

a. active transport is against the concentration gradient and uses atp. facilitated diffusion is with the concentration gradient and doesn't use atp

b. endocytosis is substances being engulfed in the cell membrane, exocytosis is substances being released from the cell membrane

c. diffusion is the movement of particles through the membrane and osmosis is specifically the movement of water

d. hypertonic means more solute, hypotonic means less solute.

Choose all the answers that apply. Precipitation:

a.creates new water

b. occurs after condensation

c.is roughly equal to the amount of evaporation

d. occurs evenly all over the earth

e. returns freshwater to the earth

Answers

Answer: e and a

Explanation:

Answer:

occurs after condensation

is roughly equal to the amount of evaporation

Explanation:

2. What evidence was found to support the different parts of cell theory?

Answers

Answer:

The invention of the electron microscope allowed them to see organelles and other structures smaller than cells. There is variation in cells, but all cells have a plasma membrane, cytoplasm, ribosomes, and DNA. These similarities show that all life on Earth has a common ancestor in the distant past

look at the following photographs. what two ways are microorganisms used in the making of cheese?

Answers

Please attach photograph

4. "Hybrid" means "crossing" or "combination
O
True
O
False

Answers

Answer:

False

Explanation:

sorry if it's wrong

true, ex: hybrid schooling would be going in school a few days a week then doing online during the others

Termination of the abdomen in which the anus is located *
telson
Cheliped
carapace
mandibles

Answers

Answer:

Telson

Explanation:

its the last segment of the abdomen.

What is the ultimate purpose of the nuclear reaction in a nuclear power plant

Answers

Answer:

I heats water to produce steam thar spins a turbine.

What are the abiotic factors that could affect a population?

Answers

Abiotic factors are the non-living factors in an environment such as temperature, light, water, and nutrients.

50 Points and brainliest!!!
HI! I just need some help with IDEAS, NOT DOING THE ESSAY.
This is my assignment: "Select some particular plant or animal and find out how it has been improved because of the study of genetics. It should be 500 words in length."
I just need IDEAS, please! I tried doing a GMO chicken, but I couldn't get enough info. :(
Please and thank you, if you can help! Thanks for reading :) Have a nice day!

Answers

Answer: cattle, pigs, chickens, goats, sheep, dogs, cats, fish, rats, and mice.

Explanation: I hope i helped ya out. if i got them wrong please forgive me.

Answer:

I'm a year late, but ideas could be (for plants) carrots, potatoes, freshwater green algae, Orchids, grass (believe it or not), and ferns.

there's many more but yea.

HELP:((!
I need help on answering these 2 questions based of the following chart:
1. Which cancer type is most common? Least common?
2. Which cancer type seems to be least treatable? Most treatable?

Answers

Answer:

1. Common: Skin (Basal) Least common: skin(melanoma)

2. Least: Lung cancer Most: skin (basal)

Explanation:

The light color are cases.

The darker color is deaths.

All I did was observe the table.

Answer:

Explanation:

whats the FUNCTION STRUCTURE and LOCATION OF A UNMYELINATED NEURON

Answers

Answer:

Unmyelinated neurons can be found in both the peripheral and central nervous system in the group c nerve fibers, responsible for transmission of secondary pain or itch. Unmyelinated nerve fibers can lose the nerve impulse during conduction.

unmyelinated neuron means the axon is not covered by this myelin sheath.

Explanation:

Question 14 1 points) What type of mutation has occurred in the following example? Original DNA Sequence ATC G G C T A A G G C A Mutated DNA Sequence A TCA GG CT A G G C A) deletion mutation B) germ-cell mutation C) insertion mutation.

Answers

Answer:

B) germ-cell mutation is the answer

Which region of the Ig molecule interacts with the antigen? What makes the region suited for this purpose?

Answers

Answer and Explanation:

Immunoglobulins (Ig) are proteins that are composed of 4 polypeptidic chains: 2 heavy chains (H) and two light chains (L). They assemble in a structure with a 'Y' form. This structure has two regions: the Fab region and the Fc region.

The region of Ig which interacts with the antigen is the Fab region. That is possible because the Fab region presents variability in the amino acid sequence which determines the specific complementary shape with the antigen structure (like a lock and the key).

What are the coefficients of the following chemical equation?
C + O2 -> CO

Answers

Answer:

C = coefficient of 1

O2 = coefficient of 1

CO = coefficient of 1

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