Identify four functions of invertebrate neurohormones and describe the regulation of insect development.

Q: Draw the endocrine system of a shark

A: Introduction:- The glands that produce their products in the blood and body tissues and the central…

Q: What Are the Structures and Functions of the Mammalian Endocrine System?

A: The endocrine system includes ductless glands that facilitate the direct release of hormones into…

Q: Discuss and explain the hormonal control and biochemistry of sclerotization of an insect's cuticle.

A: Sclerotization is a process of cuticular stiffening that usually occurs within a few hours after…

Q: Why are animals with temperature-dependent sex determination at risk from endocrine disruptors

A: During a crucial stage of development, animals using temperature-dependent sex determination (TSD)…

Q: Discuss how and why the queen honey bee aborts the worker bees' sexual maturation.

A: * Basically honey bee Colony have three types of honey bees namely  Queen bee Drones Worker bees…

Q: Predict the risks associated with the misuse ofhormones and with exposure to endocrine disruptors in…

A: Endocrine disrupters are the chemicals that either mimics like hormone or interfere with the hormone…

Q: describe the types of natural and artificial conditions that inhibit activation in necrophagous flie

A: Necrophagous flies is predominate a cadaver in terms of species diversity and individual numbers,…

Q: What is hypopharynx in cockroach?

A: Cockroaches are of ancient lineage and  have close resemblance with Insects so are known as tropical…

Q: Describe the role of the SRY gene in mammalian sexual development.

A: The human male genital or reproductive system has two sections, the external and internal male…

Q: Hormonal control among the vertebrates. Complete the table. Principal Vertebrate Endocrine…

A: As the body's messengers, hormones help diverse organs and systems communicate with one another and…

Q: Summarize the role of the Xist gene in X inactivation inmammalian cells.

A: A DNA sequence encodes functional RNA, but that RNA is transcriptionally inactive; such a DNA…

Q: what is the chromosomal system for determining sex in mammals?

A: Chromosomal determination of sex It is also known as allosomic determination of sex and is based on…

Q: Explain how an understanding of cell lineages in Caenorhabditis elegans aids in the identification…

A: Step 1 Caenorhabditis elegans is a free-living nematode that has two sexual forms a self-fertilizing…

Q: Why are the offspring of a male and a hermaphrodite more variablethan the offspring of a…

A: Hermaphrodites in reproductive biology are organisms that have both male and female sex organs. For…

Q: Describe the evidence that the development of honeybee queens is due to exposure to royal jelly.

A: Ans: The honey bee is a type of eusocial flying insect and belongs to the genus Apis.

Q: How big is a zygote?

A: A zygote is a cell that forms as a result of fertilization or fusion of male and female gametes. The…

Q: Name and explain: Name the crustacean and other animals that have moult inhibiting hormone (MIH).…

A: Hormones are chemical signals that play an important role in physiological functions. Hormones are…

Q: What does VMN do in males VS females in vertebrates?

A: VMN refers to the ventromedial nucleus of the hypothalamus that is divided into four parts based on…

Q: What is the importance of PRF (prolactin-releasing factors) in humans?

A: The hormone is known as the chemical messenger of the biological organism. It is secreted from an…

Q: Identify the classical vertebrate endocrine glands and describe the actions of their hormones;…

A: The endocrine system, along with the nervous system, functions in the regulation of body activities.…

Q: Discuss the endocrine system of insects , including key hormones for metamorphosis, moulting .

A: Various types of insects and arthropods possess an elaborate and complex type of endocrine system.…

Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…

A: Reproduction is the biological process where new individual organisms (offspring) – are produced…

Q: Illustrate the top-to-bottom and head-to-tail orientation of the fruit fly embryo.

A: The fruit fly is known as Drosophila melanogaster is a common fly found on fruits like ripe bananas.…

Q: Compare and contrast the juvenile hormone and moult inhibiting hormone.

A: Hormones are the chemical messengers of the body. They travel through the bloodstream to various…

Q: Describe and give examples of the three major wayshormone secretion is stimulated and inhibited

A: There are three main types of hormones: lipid-derived, amino acid-derived and peptide. Lipid-derived…

Q: What are the endocrineglands involved in themenstrual cycle? What are thehormones in action?

A: The endocrine system is made up of glands that make hormones. Hormones are the body's chemical…

Q: What is the evolutionary significance of parthenogenesis in the class insects?

A: Parthenogenesis is a type of asexual reproduction in which the offspring develops from unfertilized…

Q: Under what conditions does evolution select for sexualreproduction in C. elegans?

A: Evolution selects for sexual reproduction in C. elegans in the presence of parasites like…

Q: Explain how the three hormones involved in insect growth— ecdysone, juvenile hormone, and…

A: The class Insecta undergo morphological and biological changes after birth through the process of…