BIOLOGY HIGH SCHOOL

Which seed plants are not gymnosperms ?a. cycads.
b. ginkgo.
c. flowering plants.
d. conifers

Answers

Answer 1
Answer:

Answer : Conifers


I hope that's help !
Answer 2
Answer: Flowering plants are angiosperms. All the rest are gymnosperms.

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What are the two important parts of physical fitness program? A. Skill-related and health-related B. Physical-related and mental-related C. Heart-related and skeletal-related D. Cardio-related and strength-related**************

the third step in the cycle is the tolerance of negative consequences. Examples of these are physical damage, legal trouble, financial problems, academic failure, and family dissolution. 9. The fourth and last step is denial or the inability to perceive that a certain behavior is self-destructive.?

Answers

Answer:

Yes, the fourth and last step is denial or the inability to perceive that a certain behavior is self-destructive.

Explanation:

  • The most important aspect of addiction of harmful elements is the psychological dependence of our body.
  • To achieve the developed tolerance, the person needs more consumption of that drug hence getting more into the physical damage and family dissolution.
  • After tolerating the negative consequences the person reaches the final step where he or she denies to understand any negative effect of that self destructive element and continues its consumption.

Each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels. This characteristic makes corn a useful example of which law or principle?

Answers

The correct answer for the question that is being presented above is this one: "The law of segregation is the Mendel’s laws or principles explain that traits are passed from parents to offspring individually instead of as pairs, groups or sets. During the formation of gametes, two copies of each heredity factors separate out so that the new offspring can get one factor of both the parents.

The law that is demonstrated here is the law of independent assortment of genes.

What is independent assortment of genes?

According to the Principle of Independent Assortment genes tend to separate from each other in an independent manner during reproduction. Thus, each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels.

Hence, the law that is demonstrated here is the law of independent assortment of genes.

Learn more about independent assortment:brainly.com/question/13041062

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What is the full form of DNA​

Answers

Answer:

The full form of DNA is deoxyribonucleic acid.

Explanation:

DNA is a molecule that contains the genetic instructions for the development, functioning, and reproduction of all known living organisms. It is often referred to as the "blueprint of life." DNA is made up of two strands that are twisted together in a double helix structure. Each strand consists of a series of nucleotides, which are composed of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine).

The sequence of these nitrogenous bases along the DNA strand determines the genetic code, which carries the instructions for the synthesis of proteins and the overall functioning of the organism. DNA is found in the nucleus of eukaryotic cells and in the cytoplasm of prokaryotic cells.

To summarize, DNA stands for deoxyribonucleic acid, and it is a molecule that carries the genetic information of living organisms.

In the early 20th century it was known that the cell's nucleus contained two kinds of chemicals. It was discovered that the molecule of inheritance is composed of ________ and not protein as was previously thought.A. lipids
B. RNA
C. DNA
D. starch

Answers

Answer:

C. DNA

Explanation:

Prior to the discovery of DNA it was believed that proteins were responsible for carrying the hereditary information of the living organism. However, DNA was discovered in 1869 by German biochemist Johann Friedrich Miescher. His research focused on the white blood cells of pus, as these cells have large nuclei and are easy to isolate from the cytoplasm. The goal was to determine the chemical compounds in the nucleus of cells. The material for his research, pus, was easy to obtain from the bandages used for the wounds.

The biochemist has discovered a material of acidic nature composed of phosphorus and nitrogen. It was a compound, apparently made up of large molecules which it called nuclein.

In 1880 Albrecht Kossel demonstrated that the nuclein contained nitrogenous bases in its structure, hence they were rich in nitrogen as Miescher had shown.

In 1889, Miescher's pupil Richard Altmann proves the acidic nature by obtaining the high-purity nuclein, and called it nucleic acid, DNA.

A DNA segment is changed from -AATTAG- to -AAATAG-. This is a_______.

Answers

the answer coule be deletion or a mutation

Our environment provides us with vital processes called ecosystem services. a. True
b. False

Answers

The answer would be A true.   
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