BIOLOGY MIDDLE SCHOOL

Which best describes the question "Why do most people think mutations are dangerous?" a scientific question, because it asks about mutations that happen in nature a scientific question, because it asks about most people instead of just a few not a scientific question, because it asks about what people think instead of how nature works not a scientific question, because it asks about how mutations can be helpful to life in nature

Answers

Answer 1
Answer:

Answer:

not a scientific question, because it asks about what people think instead of how nature works

Explanation:

The question is not scientific, since it deals with people's point of view rather than scientific facts. In that respect, people are often suspicious of the words mutations because they cause changes in genes of living creatures. However, they are usually innocuous and can even help organisms to subsist.
Answer 2
Answer:

Mutations is when there is a permanent change in the DNA sequence in a cell's gene or chromosome . This can cause many deformations in organisms.

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Which of the following could form fossils? A.Seeds B.Bones C.Shells D.All of the above

What is the process in which individuals with useful traits are more likely to survive and produce more offspring with those useful traits?A. Use and disuse

B. Acquired characteristics

C.natural selection

D.radiometric dating

Answers

This process is called natural selection

C.natural selection  

Which of the following readings is used to determine the availability of minerals?a.
radioactivity
b.
magnetism
c.
gravity
d.
all of the above

Answers

The option that represents thy type of reading which is used to determine the availability of minerals is D. all of the above. Depending on the situation, as well as the type of a mineral, scientists will use radioactivity, magnetism, or gravity in order to determine how much of a mineral there is in a certain area. Some of these techniques are good for one type of a mineral, and some for another, but these scientists use all three types of readings in order to determine what they need.
the answer is D A mineral is a naturally occurring substance, representable by a chemical formula, that is usually solid and inorganic, and has a crystal structure. It is different from a rock, which can be an aggregate of minerals or non-minerals and does not have a specific chemical composition.

What would be the best way to predict the probability of a baby having cystic fibrosis?a.
by studying the parents’ karyotypes
b.
by studying the family’s pedigree chart
c.
by exploring new methods of genetic engineering
d.
by determining whether the parents have codominant alleles

Answers

Answer:

The answer is B. By studying the family’s pedigree chart

Explanation:

Cystic fibrosis is an inherited disorder that tends to be fatal, since it damages the lungs and digestive system. Cystic fibrosis affects the cells that produce mucosa, sweat and gastric juices, causing them to become thick and sticky, causing the tubes, tracts and channels to become clogged. It is a hereditary disease, caused by a defective gene (so the best way to predict it would be through studying the family's pedigree chart) that leads the body to produce an abnormally thick and sticky fluid.
Determining this would be by B. studying the family's pedigree chart.

This lipid is amphiphathic . Because of this, this lipid A) contains no double bonds between carbons and is a solid at room temperature. B) contains varied functional groups to create molecules with varied functions. C) has a polar and non-polar region, making it a logical component of cell membranes. D) contains at least one double bond between carbons and is therefore, liquid at room temperature.

Answers

Answer:

The correct answer is C has polar and non polar region making it logical component of the cell membrane.

Explanation:

Amphiphatic compounds are specific type of biochemical compound that contain both polar and  nonpolar portions.

For example phospholipid molecules of the lipid bi layer of the plasma membrane.Phospholipid contain polar head group also called glycerol and 2non polar hydrocarbon fatty acid tails.Therefore lipid basically phospholipids are amphiphatic in nature.

Which of these changes do not involve forming or breaking chemical bonds? A. burning and melting
B. rusting and cutting
C. burning and digesting
D. boiling and melting

Answers

The correct answer to this question D - The only changes listed which do not involve forming or breaking chemical bonds would be boiling and melting. Boiling and melting are physical changes rather than chemical changes, so no new products are formed.

Hello, the correct answer to your question is, D. boiling and melting

I hope this helped!

What instruction or code is responsible for all the inherited traits of an organism

Answers

Genetic material called DNA. Deoxyribonucleic acid is what DNA stands for
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