What are the characteristics of the cleavage embryo?

Q: What are the effects of greenhouse in plants?

A: Greenhouse gases provide warmth and humidity which promotes plant growth.They also increase the rate...

Q: Multiple choice 1.) An Action potential A. is essential for nerve impulse propagation B. involves th...

A: 1.) An Action potential Answer: A. is essential for nerve impulse propagation. Explanation- The tran...

Q: Question 7 The long solenoid structure of the chromatin material binds to a protein scaffold through...

A: The long solenoid structure of chromatin material is Histone molecule. Histones, which attach to DNA...

Q: Compare and contrast hydra, saccharomyces, and paramecium in terms of the reproductive patterns they...

A: Hydra reproduce by both asexual by budding and sexual method by formation of testes and ovaries. Sac...

Q: Describe the process of regeneration.?

A: The natural process through which injured or misplaced cells, tissues, or organs are healed or repla...

Q: Define recessive

A: Recessive refers to a trait that appears only when a genotype is homozygous; a trait that is hidden ...

Q: Which bases can exist in imino form? O Adenine, Cytosine Guanine, Thymine O Adenine, Cytosine, Guani...

A: Mutations are alterations occur inside the body naturally or induced . As a result of which , geneti...

Q: What parts of DNA make up a transcription unit? Draw a typical bacterial transcription unit and iden...

A: Introduction Deoxyribonucleic acid is a molecule made up of two polynucleotide chains that coil arou...

Q: Circulating thyroxine (T4) and triiodothyronine (T3) in the bloodstream are structurally comprised o...

A: The thyroid gland is an endocrine gland. It makes three hormones that are secreted into the blood: t...

Q: What is the purpose of cutting through the peritoneal membrane ?

A: INTRODUCTION Peritoneum This is the tissue that lines the abdominal wall and covers most of the abdo...

Q: Define regeneration

A: The act of renewing, rebuilding, and expanding tissues to make genomes, cells, organisms, and ecosys...

Q: After _____ are absorbed by intestine cells, they go into lymph vessels rather than blood. A. minera...

A: ANSWER :LIPIDS

Q: Amino acids bind to which part of the tRNA?a. Anticodonb. DHU armc. 3′ endd. 5′ end

A: t-RNA also termed as transfer RNA is type of RNA which carries a specific amino acid to m-RNA presen...

Q: B.Use the simple flow chart on the next page to outline the basic procedure of geneticengineeringin ...

A: Genetic engineering is the process by which we make hybrid cell which is having better characters an...

Q: How does agriculture, economy and plant physiology interconnected?

A: The term Agriculture, economy and plant physiology though seems to be different, they are actually i...

Q: Usually, within a gene, only one of the DNA strands is transcribed into RNA. Why haven’t both strand...

A: The process of the flow of genetic information includes the synthesis of RNA and proteins.  

Q: When during the development of most mammals is lactose available for use by E. coli in the gut? How ...

A: Introduction  The bacterial lac operon is primarily based on Lactose and deals with the breakdown of...

Q: Please help What are the three different features that contribute to biodiversity? Explain, in your ...

A: Introduction :- The variety of living species on Earth, including plants, animals, microbes, and fun...

Q: 1. In the sympathetic division of the ANS, preganglionic neurons are located in spinal segments-----...

A: Human neural system consists of highly specialized cells called neurons. It further divides into cen...

Q: What are the histone types found in the octamer wrapped by DNA strands?

A: H2A, H2B, H3, and H4 are the four proteins that make up core histones, and they're all found in equa...

Q: A melting profile in figure below shows the increase in UV absorption versus temperature for two DNA...

A: The DNA is a double-stranded material where two single strands of DNA run antiparallel to make a dou...

Q: . A placenta vera is formed if  a.The placenta is removed during birth. b. The maternal blood bathes...

A: The placenta develops inside your uterus during pregnancy, providing oxygen and nutrition to and rem...

Q: item is given example. as an

A: Transgenic organisms in agriculture :- Examples- Bt cotton, Bt brinjal. To obtain a transgenic organ...

Q: The_____ of a flower contains one or more ovaries in which eggs develop, fertilization occurs, and s...

A: A flower is the reproductive part of the plant which later on develops into a fruit. A flower is als...

Q: How do symplast apoplast and the casparian strip work with each other?

A:

Q: How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?

A: Nucleosome is the main and basic unit of DNA packaging in the eukaryotic cells. The structure of typ...

Q: Giardia intestinalis (old species designation was lamblia)- flagellated protozoa in a fecal smear. M...

A: Introduction: Giardiasis is caused by the Giardia parasite, which is a tiny parasite. It has a direc...

Q: What is the diameter of the field of view (DFV) of a 40x objective lens in the DFV of a 10x objectiv...

A: When looking into the eyepiece lens, the field diameter is simply the number of millimeters or micro...

Q: extracellular conditions are unfavorable, th

A:

Q: Why did Galton modify the quincunx? a.Because the distribution of a trait (e.g., height) in offsprin...

A: Galton board or quincunx is developed by Sir Francis Galton.  It demonstrate the binomial and normal...

Q: Meiosis of cells in pollen sacs forms haploid______ . a. megaspores c. stamens b. microspores d. spo...

A: Meiosis is a cell division process that produces four gamete cells while halving the number of chrom...

Q: From the table below which shows the metabolic rate for each activity, if a person with height 1.50m...

A: Energy expenditure of human body: It is calculated by the features of body such as its composition a...

Q: How important are evidences of evolution to the present time?

A: Evolution is the process by which the inheritable traits of biological populations change over time....

Q: Xias father has type B blood (lBi) while her mother has type A (lAi) blood. What are the possible bl...

A: Blood type (or blood group) is a genetic trait linked to the presence or absence of particular molec...

Q: Describe two types of alternative processing pathways. How do these pathways lead to the production ...

A: Alternative splicing is the process of producing variably spliced mRNAs by selecting alternative com...

Q: How could you equalize the water level on each side of the tube by adding solute? Pure water Postive...

A: We can equalise the water level of the tube by adding solute to the left side of the tube so that wa...

Q: Question 9 The structure of the transfer RNA assumes a more 3-dimensional structure because of the h...

A: The tRNA or transfer RNA is responsible for delivering amino acids at the site of translation. tRNA ...

Q: Which of the following can be answered by immunohistochemistry? Select all that apply. a. Whether BD...

A: Few important points : Immunohistochemistry is basically a localization of known antigen in tissue ...

Q: possible that Soxt of T cell that is How is it you would Se cognize the dynamic in an immune deaclio...

A: T cell, also known as T lymphocyte, is a kind of leukocyte (white blood cell) that plays an importan...

Q: twins influneced by nature or nuture

A:

Q: Some animals fall between endothermic and ectothermic. a) What is this thermoregulation category cal...

A: Thermoregulation is the ability of body to keep the temperature under certain limits. 

Q: True or False The sugar-phosphate backbone is located on the outside of the molecule with the 2 sets...

A: The nucleotide polymer that are responsible for determining and regulating genetic characteristics o...

Q: Humans with AB blood-type will produce: a. A and B antibodies b. A and B antigens c. No antigens d. ...

A:

Q: The interplay of pathogens and antibiotics again brings up the problem of the Red Queen. How does th...

A: A pathogen is any organism that invades and proliferates within an organism's body causes infectious...

Q: How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?

A: Chromatin and chromosome are referred to as the structures associated with the DNA molecule. Double-...

Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative? ...

A: Benedict's test is used for the identification of reducing sugars such as simple carbohydrates (gluc...

Q: Question 6 The helical turns of the DNA does not only provide spaces for binding with regulatory pro...

A: Introduction: RNA and DNA are the two types of nucleic acids. The nucleic acid serves as a repositor...

Q: How is biodiversity measured?

A: Introduction: Ecosystems and creatures of all kinds, as well as their interactions and activities, a...

Q: Explain how the type of locomotion is important in the nutrition, ecology, and behavior of each type...

A: Protozoan perform three type, flagellated ciliary or amoeboid locomotion. Amoeboid protozoan live in...

Q: In The Lake as a Microcosm, this 10th century biologist showed that romoving just one species trom a...

A: The correct answer to the given option is d. A microcosm is a widely studied isolated system and thi...

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.