Drawings of the types of spicules , label the species containing each type and the type.

Q: How would you screen for mutations in Arabidopsis that result in female gametophyte lethality?  How…

A: In angiosperm female gametophyte is also called embryo sac. It gives rise to female gamete and it is…

Q: Which gymnosperm family has genera that are not evergreen?

A: Introduction:- Gymnosperms (naked seeds) are four extant divisions of vascular plants with exposed…

Q: Outline the structure  of the brain, spinal cord, peripheral nerves and the autonomic nervous…

A: The nervous system of the human body is broadly divided into two groups, first being the central…

Q: What are the two body dysfunctions of an animal in the order DECaPODA?

A: decapod order Decapoda  any of more than 8000 species of crustaceans phylum Arthropoda  that include…

Q: What is seed dormancy? Why is it good?

A: ANSWER;- Seed dormancy;- Seed dormancy is a transformative adaptation that keeps seeds from…

Q: Using the Public Health Model, describe how one could quantify the risk to a Beatrice employee, with…

A: Public health model main aim is to provide healthy life style . With the help of medical facilities…

Q: Put Koch’s postulates in order.(a) The disease organism must be isolated in pure culture.(b) The…

A: Microbiology is a branch of science that studies microscopic organisms that are not visible to the…

Q: Describe two main reasons for rafflesia to be in danger of extinction.

A: Rafflesia It is a genus of flowering plants notable for being strictly parasitic upon the roots or…

Q: DDT is contaminating your local well water. the concentration in the ground water is 2.7 mg/L. the…

A: DDT:  DDT, or dichlorodiphenyltrichloroethane, is a colourless, odourless, and tasteless crystalline…

Q: llowing with one sentence each question. 1. What do you know about the history of your selected area…

A: Answer

Q: If the chi-square value is 0 under the degree of freedom 1. What could be the interpretation and…

A: The Chi-square value is a single number that adds up all the differences between the actual data and…

Q: New mutations are removed from the population by means of _____ due to the deleterious consequences…

A: Natural selection is the force which ensures differential contribution of alleles of a gene to the…

Q: Q1: These porous tissues in stem and some fruits aid in gas exchange is thickened barks and stems.…

A: Introduction:- The epidermal, vascular, and ground tissues are the three tissue systems that make up…

Q: The muscle cell membrane of the neuromuscular junction is called the A. Synaptic cleft B. Motor end…

A: Motor neurons in vertebrates emit acetylcholine, a tiny molecule neurotransmitter that disperses…

Q: Explain specifically how osteoporosis affects the bone matrix and the normal bone remodeling cycle.

A: Bones have a cycle of resorption and bone formation. During the day time, calcium is released from…

Q: To describe: The way in which water molecules are attracted to each other.

A: The atom is the smallest unit of substance with all of an element's chemical properties. The nucleus…

Q: All of the following statements about polioviruses are correct except _____. a. Poliovirus…

A: Poliovirus is the causative agent of poliomyelitis, also known as polio. It is a human enterovirus…

Q: Use a punnett square in fruit flies, red eyes (r) are dominant to pink eyes (r). what is the…

A: Given: In fruit flies, Red eyes (R) are dominant to pink eyes (r). The phenotypic ratio of a cross…

Q: Briefly explain how the production of oxygen by early photosynthetic organisms lead to colonization…

A: Photosynthetic organisms The organisms that perform the process of photosynthesis produce organic…

Q: QUESTION 20 Use the pedigrees below to answer the corresponding. What is the most likely mode of…

A: Given: A pedigree. Have to determine the mode of inheritance for the trait.

Q: You discover a new species of animal that has a backbone running down the length of its body. What…

A: Introduction:- From the base of the skull to the tailbone, there are bones, muscles, tendons, and…

Q: Label the following diagram using the words from the word box below. You can write your answers in…

A: As per our company guideline we are supposed to answer only first question or first 3 subparts of…

Q: Petunias normally have purple flowers. Suppose you identify a recessive mutant that has white…

A: Petunia have purple flower in wild type phenotype. Whereas the white flower are present due to…

Q: What are the three phases of seed development? When does the peak of ABA concentration take place?…

A: Seed is part of tree from which whole plant is developed.Seed is obtained from the fruits. Seed…

Q: State why oils from plant sources remain liquid at 25°C, but that of animal source issolid at the…

A: Fats.  Fats are chemical compounds made up of fatty acids. fats are of two types as follows  1.…

Q: meant monggo seeds as in Mung seeds (Vigna radiata)

A: Mung beans can be germinate in four to five days but the actual rate of germination may varies with…

Q: Letter of the answer only, no explanation needed. 31. Which parasite is paired incorrectly with its…

A: INTRODUCTION Answers of question 31-33 is given below.

Q: What is the cereal aleurone layer and wh is its role for the developing seedling? Ho do GAS requlate…

A: Answer :: Aleurone layer surrounds the endosperm tissue of cereal's seeds. they are usually in…

Q: how does osmoregulation maintain homeostasis in our body

A: Homeostasis is a self regulating process by which biological systems maintain stability while…

Q: How will it look like?

A: Introduction DNA is an organic molecule that includes genetic information as well as instructions…

Q: comparative anatomical structures

A: Comparative anatomy: One hint of  evolution comes from the Comparative anatomy. The study of…

Q: Madison Tavistock, a healthy 2-year-old living in Cincinnati, had attended the Wee Folks Daycare…

A: Introduction :- Vaccination is the process of administering a vaccine to the body in order to…

Q: What are the similarities in how receptive fields are represented by the nervous system?  What…

A: In this particular question we have to describe about receptive field and how these are related with…

Q: : RNA polymerase is capable of binding directly to the promotor site if any gene

A: The RNA polymerase and the necessary transcription factors bind to the promoter region and initiate…

Q: Distinguish among primary, secondary, tertiary, andquaternary levels of protein structure.

A: Proteins are the body's building blocks. It serves an important function in the body. Proteins are…

Q: Which of the following are characteristics of all coliforms? Select all that apply.…

A: Coliform bacteria are defined as either motile or non-motile.

Q: How many pairs of chromosomes do human beings have, specify the types of chromosomcs also?

A: Chromosomes are the genetic material present in all the cells . They are present inside the nucleus…

Q: Explain the phylogenetic tree using OTUs presented.

A: OTUs are the individual species or even groups of species that are represented in a phylogenic tree.…

Q: Describe the selective pressure favoring light skin in regions far from the equator.

A: Introduction:- Melanin is a pigment-producing substance found in your hair, eyes, and skin. Your…

Q: Q1: It is the movement of air or oxygenated water in the respiratory surface Respiration Ventilation…

A: Introduction Plants and other organisms use photosynthesis to transform light energy into chemical…

Q: design a plan for health excellence for an adult who is 65 years of age, sedentary, overweight and…

A: A reduction of body weight can attenuate the painful symptoms and likely reduces the fear of…

Q: When you have completed this section, you should be able to a. give examples of how modern…

A: The name father of medicine is given to Hippocrates. He requested the doctors or the physicians to…

Q: Concentration of Oxygen in Water Temperature (°C) Oxygen Concentration in Freshwater (ppm) Oxygen…

A: The earth's surface is covered 71%  by water. Life on earth depends on the availability of…

Q: Indicate whether each of the following statements is true (T) or false (F). a. An unsubstantiated…

A: A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA)…

Q: onsidering the number of base pairs, compute for the actual length (in micrometers) of this DN

A: There are 7 base pairs. Length of one base pair is 3.4 Angstrom. Length of  7 base pairs is 3.4 X 7=…

Q: How can one cell give rise to different types of cells? Support your explanation with embryologic…

A: Introduction A cell is a cytoplasmic mass that is outwardly bound by a cell membrane. Cells are the…

Q: Match the letters to their correc A Spinal Cord Sensory Somatic

A: The nervous system is made up of the brain, spinal cord, cranial nerves, and spinal nerves. It is…

Q: Which Uknown 1 or 2, have antibodies for chicken gamma globulin antigen, also can you label the…

A: Enzyme linked immunosorbent assay : Horseradish phosphatase, BCIP/NBT (5-Bromo…

Q: 3. Matching type sodium sodium clot activator EDTA heparin fluoride citrate light blue red light…

A: Introduction  Blood is a bodily fluid found in the circulatory system of humans and other animals…

Q: What will be the number of chromosomes in Turner’s syndrome and Klinefelter's syndrome of an…

A: Turner syndrome It is a chromosomal abnormality which affects only females. It is due to the absence…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.