Name the four steps involved in the scientific method.

Q: 3) List the stages of development once the egg is fertilized. (When a man and a women have sex)

A: The cycle in which a life form creates from a solitary celled zygote to a multi-cell creature is unp...

Q: Which of the antibodies has a short lifespan and function mainly in aiding phagocytes by causing agg...

A: This function is carried out by the immune system. Immunity is divided into innate and adaptive. Inn...

Q: Who is a carrier of an X-linked trait? homozygous male homozygous dominant female heterozygous femal...

A: The X-linked trait is a disease-causing trait that is present on the X chromosomes. A dominant allel...

Q: Mutation of codon 34 (CAC to GAC) and 85 (CGT to CAT) of the insulin gene causes hyperinsulinemia wh...

A: In codon 34, CAC codes for the amino acid Histidine. CAC is replaced by GAC which codes for Aspartic...

Q: 2. List the female reproductive structures and their function.

A: Humans are sexually reproducing and viviparous organisms. The reproductive stages that happen in the...

Q: Can i please have all of 20, 21, 22 and 23 answered thank you  20. All of the followings are correct...

A: Step 1 Hello. Since you have asked multiple questions, we will solve the first question for you. If ...

Q: what amino acid is coded for by the codon 5AAG3?

A: The genetic code is the set of rules used by living cells to translate information encoded within ge...

Q: phage can be "induced" as a result of DNA damage. Consequences o induction include O Temperate phage...

A: Viruses that infect bacterial cells are called bacteriophages. Very similar to animal viruses, these...

Q: Meiosis usually produces ________ daughter cells. a. two haploid b. two diploid c. four haploid d. f...

A: As we know all living organisms are made of  basic unit of structure and function called as cell. Th...

Q: what is the significance of secondary structure of RNA by folding upon itself

A: DNA has double stranded structure in which the two strands are anti parallel to each other and base ...

Q: What is meant by nitrogen pollution? Provide a specific example of a source of too much nitrogen in ...

A: Introduction :- Nitrogen is the fifth most abundant element in the universe. It constitutes 78% of ...

Q: The evolution of was required before chlorophyll a and cytochromes could evolve O ATP Synthase pyruv...

A: Chlorophyll a -  It absorbs most energy from wavelengths of violet-blue and orange-red light and ref...

Q: Describe the process of chemical digestion of the major components of an apple, be sure to identify ...

A: The chemical and mechanical degradation of large food macromolecules into smaller molecules is diges...

Q: Describe tetanus. What causes this illness, and how is it transmitted? What does it do to the human ...

A: An infection is the invasion of an organism's body tissues by disease-causing agents, their multipli...

Q: 75-year-old male with long-standing hypertension and angina due to coronary heart disease presents ...

A: Hypertension is defined as the long-term medical state or condition in which there is a persistent i...

Q: Please help with hw :} ATP is the energy currency of the cell.a.    What about the structure of ATP ...

A: It is a donor of high energy phosphate group. It has two high energy phosphate groups. It has a larg...

Q: 62. Host Defenses. Which cell makes antibodies? O cytotoxic T lymphocytes O helper Tlymphocytes O B ...

A: The immune system has a vital role in protecting the body from outside pathogens (bacteria, viruses,...

Q: 42. A student conducts an experiment to test the efficiency of a certain enzyme. Which of the follow...

A: Enzymes are the proteins with catalytic powers.

Q: Which of the following cells has the greatest potential to transfer an entire copy of its chromosome...

A: F+ donor Genes can be transferred from one bacteria to the other by the process of genetic recombin...

Q: When a graded potential summates to threshold at the axon hillock, O ligand-gated Ca+2 channels clos...

A: The rapid change in membrane potential is known as an action potential. It is governed by the openin...

Q: . Cholesterol is an integral part of plasma membranes.Based on its structure, where is it found in t...

A: The cell membrane (otherwise called the plasma membrane or cytoplasmic membrane) is a natural membra...

Q: Would it be important to actually run the cDNA after the PCR on a DNA gel in order to check for a PC...

A: Complementary DNA or cDNA are DNA molecules produced by reverse transcription of mature mRNA molecul...

Q: 5. List the stages of fetal development and what happens at eache stage.

A: The sperm fuses with an egg to give rise to a zygote. Both sperm and egg are haploid, but the zygote...

Q: 5) what are the stages of fetal development and what happens at each stage?

A: The first day of the last normal period is counted as the development of the pregnancy. Though the d...

Q: Why people get AIDS?

A: Acquired immunodeficiency syndrome (AIDS) is a chronic disease caused by the known as human immunode...

Q: 13c give the codon sequences of every code on this tRNA with the anti-codon 5AAG3, could pair with i...

A: tRNA are transfer RNA which are responsible for decoding the information on mRNA for the synthesis o...

Q: several concepts that the society or human beings benefit from biodiversity. On the other circle, en...

A: Biodiversity of a specific habitat depends on species richness and species evenness in the habitat. ...

Q: The Flavr Savr Tomato: a. is a variety of vine-ripened tomato in the supermarket b. was created to h...

A: “Genetic Engineering” is when the ‘genetic code’ of an organism is altered to produce a desired trai...

Q: 59. In the demonstration shown in the diagram (figure 9), which process is performed by the peas whe...

A: Seed germination is important for embryo to develop into seedling and then into a fully grown plant....

Q: 5. List the stages of fetal development and what happens at each stage.

A: A female body goes through a reproductive cycle every month. This cycle can end in mainly two ways :...

Q: Check this graph, what is the most recent common ancestor for primates ?   The question is complete

A: A phylogenetic tree is a form of visual representation of the relationship between different organis...

Q: Identify a species that your group thinks is ok to drive to extinction and justify the reasons for t...

A: The term species is a concept. To date, the exact definition of species is not present. Precisely sp...

Q: 16. A tap on the patellar tendon at the knee joint is used to test the knee-jerk reflex. All of the ...

A: Knee-jerk reflex is also known as the patellar reflex which is the sudden kicking motion of the lowe...

Q: When comparing the structures of RNA and DNA , which of the following statement is True?A-Only RNA c...

A: DNA and RNA are two main types of nucleic acids that contain a five-carbon sugar backbone, a phospha...