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Q: Which of the following statements about endocrine signalling hormones is TRUE? a) They are only solu...

A: Communication is a process in which a sender transmits signals to one or more receivers to control a...

Q: Explain the Type of protostome that produces atrochophore larva ?

A: Larvae are seen across the animal kingdom and are a specific juvenile form before they metamorphose ...

Q: Fill in the blanks below: • This simulation uses a disease that spreads more easily than COVID-19. •...

A: When the body is exposed to the virus, the immune system produce antibodies against the virus. The i...

Q: Which of the following is NOT true about T cells?(a) T cells develop from lymphoid stem cells in the...

A: A defense system in the body of an individual which constitutes a complex network of cells and prote...

Q: could a person with type AB+ blood safely receive a blood transfusion of O+ blood?   YES/NO

A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the d...

Q: Enlist point in tabular form: What is the difference between Innate and acquired immunity.

A: Answer: Introduction: The immune system of body replies to pathogens or antigens by forming antibodi...

Q: Enlist point in tabular form: What is the difference between Active and passive immunity.

A: Active immunity and passive immunity are two types of adaptive immunity. A prominent difference betw...

Q: Define the term Cortisol?

A: Hormones are chemical messengers and help in the growth and development of organisms. The different ...

Q: Explain Pregnancy Sickness?

A: Pregnancy sickness is also called as morning sickness and is very common during pregnancy and usuall...

Q: To test a hypothesis about a given variable, experimental and control groups are tested in parallel....

A: In the experimental group, the variable is changed in a known way. In the control group, there is no...

Q: Explain how the thin and thick filaments interact in the sliding filament model.

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are ...

Q: Describe the hypothalamohypophyseal portal system.

A:  hypothalamo-hypophyseal portal system is the collection of NEURONS, lots of NERVE FIBERS, endocrine...

Q: You are mapping three loci in Brandywine apricot trees (Prunus brandybucki), an important agricultur...

A: Recombination frequency is a number that describes the proportion of recombinant offspring produced ...

Q: What did Semmelweis and Lister contribute to micro-biology?

A: Ignaz Semmelweis was a physician and scientist on the other hand Joseph Lister was a surgeon, they b...

Q: With illustrative examples, explain the following statements about the nature of science: a.Science ...

A: Ad per our guidelines we are supposed to answer only one question. Kindly repost other question as t...

Q: what would happen, if meiosis in humans always produced diploid gametes? explain

A: Meiosis  This process involves a division of a single cell twice to generate four cells containing h...

Q: Compare and contrast pinocytosis with receptor-mediated endocytosis. Include a description of each p...

A: Endocytosis is a type of active transport that moves particles, such as large molecules, parts of ce...

Q: A1 gm sample containing CaCO3 was burned so that all C03 was released from the model. If the residua...

A: Total sample = 1gm  Weight after firing = 0.560 gm Amount of calcium carbonate present in 1gm = 1- 0...

Q: Summarize the special functions of vacuoles, and hypothesize what might happen if they are not prese...

A: The vacuole is the important structure in the plant cell which occupies nearly 80% of the cell. It h...

Q: Describe a general physiological control system, includingthe role of negative feedback.

A: The physiological systems are the systems which have specific functions to perform in our body and a...

Q: Explain what makes lycophytes significant in plant evolution.

A: Lycophytes are a class of spore-forming plants, these are vascular plants comprising more than 1,200...

Q: Identify the major arteries and veins of the systemic circuit.

A: The cardiovascular system consists of the heart, blood vessels and blood. The heart is the pumping o...

Q: Define the following terms:a. wobble hypothesisb. cognate tRNAc. AUG sequenced. Shine-Dalgarno seque...

A: The central dogma of molecular biology states that the information stored in DNA is first transcribe...

Q: why nutrient broth is used for blind control.

A: Nutrient broths (liquid nutrient medium) and LB medium (Lysogeny Broth) are the most popular liquid ...

Q: Look at the following image and 5 points match between the number of the cell and its type. PATHPEDI...

A: Blood is a body fluid in humans and other animals that delivers the necessary substances such as the...

Q: Briefly discuss the structure of myelin and its role in the nervous system.

A: Myelin is a protecting layer or sheath that structures around nerves, including the neurons in the b...

Q: A person touches a hot stove, and before they even realize what happened, have pulled their hand awa...

A: Humans have a well-developed nervous system that controls and coordinates various activities of the ...

Q: CHOOSE AMONG THE THREE (3) THAT YOU WOULD SUPPORT AND EXPLAIN CLEARLY.  Lamarckism or the Theory of...

A: The theory of evolution by natural selection is proposed by Charles Darwin and is written in the boo...

Q: 5. Locate the teeth and the gingiva. What roles do these structures play in digestion?

A: Teeth and gingiva (gums) both are present in our mouth. The gingiva which is composed of fibrous tis...

Q: Locate the bones that compose the thoracic cage andidentify their major features.

A: The thoracic cage is also known as rib cage in humans. It is a cartilaginous and bony structure surr...

Q: You have a Drosophila line that is homozygous for autosomal recessive alleles a, b, and c, linked i...

A: The Recombinant Frequency tells us about the percentage of or the proportion of recombinants present...

Q: What kind of cell releases cytokines?

A: By some specific cells of the immune system, a large group of proteins, peptides, or glycoprotein ar...

Q: The collective mass of hyphae is called a a. sporophyte. b. mycelium. c. ascocarp. d. lichen.

A: Kingdom fungi include eukaryotic organisms such as molds, yeasts, smuts, molds, mushrooms, and more....

Q: Question # 17. How does natural selection bring change in gene frequencies?

A: Natural selection refers to the evolutionary theory explained by Charles Darwin, according to which ...

Q: Explain the importance of thylakoid ?

A: PHOTOSYNTHESIS:- It is a process of manufacturing own food by plants also known as the Autotrophic m...

Q: Describe two features of nonvascular plants that indicate they are adapted to the land environment.

A: Non-vascular plants, including Bryophytes and Algae, were the first plants to evolve. They reproduce...

Q: What is one way humans put carbon into the air? Group of answer choices a. Surfing the internet b...

A: Carbon is one of the important elements of living things as well as nature. It forms 49% of the dry ...

Q: Draw a diagram illustrating the regulation of blood glucose concentration

A: Pancreas is a leaf shaped organ that lies in abdominal cavity. It is heterocrine gland which is abou...

Q: Why would archaea that grow in extreme environments be more intensively studied than those that do n...

A: Bacteria exhibit unique capabilities of surviving in extreme environments. They are present in the h...

Q: Poor contact lens hygiene is likely to get you a case of a. herpetic keratitis. b. Wolbachia infecti...

A: Answer is c.) Acanthamoeba keratitis.

Q: The average daily metabolic rate for captive animals from weasels to elk can be expressed as a funct...

A: Given,  r = 140.2m0.75, represents the metabolic rate m represents mass of the animal  

Q: What Kinds of Photosystems Are Used to Capture LightEnergy?

A: Photosystems are functional and underlying units of protein edifices associated with photosynthesis ...

Q: How do the cytochrome P450 proteins affect drug responses?Give two examples.

A: Cytochrome P450  is an enzyme.

Q: Explain the consequences of an inadequate dietary intake of iodine.

A: Iodine is an essential micronutrient which has to be taken via food into the body. Daily recommended...

Q: How is perspiration related to homeostasis?

A: Homeostasis can be defined as the sum total of all the processes that happen in the body in order to...

Q: Please help me answer letters a - c. Use the situation in number 5 inorder to answer properly the qu...

A: Jervell and Lange-Nielsen syndrome is a very rare and genetically passed autosomal recessive disease...

Q: Describe the parts of the external, middle, and internal ear, and the receptors they contain, and di...

A: The ear is a sensory organ present in pairs and is involved in two primary functions - hearing and m...

Q: Explain your understanding about the evolutionary relationships between species ?

A: Modern organisms will give clues regarding evolution. Fossils, similar body structures, and early de...

Q: This was previously rejected due to not including all parts of the question. I've added all parts in...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...