What alterations in gastrointestinal function occur in association with very young or very old age?

Q: Bicoid is a maternal-effect gene in the fruit fly Drosophila that controls anterior/posterior axis f...

A: Drosophila is the model organism of the study of development. It is a well-studied genome sequence. ...

Q: 1. You are investigating a protein that has the amino acid sequence N... Ala – Thr - Asn – Trp – Lys...

A: BASIC INFORMATION  GENETIC CODE  The codes are written in a group of three thus it is triplet. Thes...

Q: Alternation of generations describes which of the following? a. The haploid form can be multicellula...

A: All the plants have haploid gametophyte and diploid sporophyte stages. The difference in plant group...

Q: Describe the advantages and disadvantages of the external location of testes? Please make the answ...

A: Step 1 Testes are a pair of primary sex organs of human males that are extra-abdominal or scrotal be...

Q: During a dihybrid cross involving two linked genes (two-point testcross), 20 flies showed recombinan...

A: Heredity is passing on one trait from the parents to the progeny by either asexual or sexual reprodu...

Q: How are the mechanisms of injury different between noncontractile and contractile soft tissue injuri...

A: Injury can be defined as physical trauma, which is damage to the body caused by an external force. T...

Q: Please answer it fast.

A: Allosteric sites allow effectors such as DRUG as in this case ,  to bind to the enzyme, often result...

Q: Converting a prairie to a farm field is an example of ________. a. overharvesting b. habitat loss c....

A: BASIC INFORMATION BIODIVERSITY  it is basically the variety of the lives present on the earth  the...

Q: What impact might a substance that blocks the binding of NAD+ to electrons have on cellular respirat...

A: Cellular respiration is a metabolic pathway that will break down the glucose molecule and, therefore...

Q: Describe tetracyclin, give their origin. Mode of action and an example.

A: Tetracycline is an anti-microbial drug that is utilized as a medication and is normally formed by so...

Q: Contrast the structure of SINE and LINE DNA sequences. Why areLINEs referred to as retrotransposons?

A: Transposons are also called jumping genes, are genetic elements capable of “jumping” into different ...

Q: Match the stage of meiosis to it's description. Watch for ”cell” versus ”cells”. Singular versus plu...

A: Meiosis : It is a type of cell division in which a diploid mother cell divides into four genetically...

Q: Which is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi, bronchio...

A: Step 1 Breathing is ventilation or movement that brings in fresh air into the lungs and removes foul...

Q: Why is sexual reproduction useful if only half the animals can produce offspring and two separate ce...

A: Sexual reproduction may be a sort of reproduction that involves a complex life cycle within which a ...

Q: The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermi...

A: The structure of plant roots, stems, and leaves facilitates the transport of water, nutrients (miner...

Q: A healthy sea grass bed (type of underwater marine plant) is vital to the survival of aquatic organi...

A: Seagrasses are flowering plants that are found in marine habitat.Seagrasses are composed of four fam...

Q: Vhat is the major difference in antigen-processing between major histocompatibility Elass-l (MHC-I) ...

A: Immune response is a highly coordinated process involving various proteins. The histocompatibility c...

Q: Suppose you collect your own red blood cells (RBCs) and place them in a hypertonic environment for 5...

A: Step 1 Osmosis is the phenomenon of the movement of water across a semipermeable or differentially p...

Q: Which type of mimicry involves multiple species with similar warning coloration that are all toxic t...

A: BASIC INFORMATION  POPULATION INTERACTION  when more than one species are present in a population t...

Q: Describe the form of species interaction that was observed between members of lion pride and between...

A: Competition may occur between the members of the same species or members of different species for re...

Q: how does the sodium channel work in a normal person and how does it work in a person with autism.

A: Autism spectrum disorder is a syndrome that is caused due to a combination of both genetic and envir...

Q: Which of the following structures in a flower is not directly involved in reproduction? a. the style...

A: The plant sexual reproduction occurs by the fusion of male and female gametes in the flower. The sex...

Q: The muscle with a long and narrow tendon that travels inferiorly and medially between gastrocnemius ...

A: It belongs to the medical terminology for movements involves different body parts.

Q: According to purpose, exploratory research focuses on expanding knowledge on current issues through ...

A: Research is a systematic inquiry to describe, explain, predict, and control the observed phenomenon....