Describe the intracellular response to activation of α and β adrenergic receptors

Q: With a doubling time of 180 minutes and a starting population size of 10 cells, how many cells will ...

A: Given information Doubling time- 180 minutes = 3 hours. Initial population = 10 cells Final populat...

Q: Describe the flow of electrons through photosystems I and II in the noncyclic electron transport pat...

A: Photosynthesis is the process in which the plants make their own food by absorbing sunlight and util...

Q: Of all the possible combinations of two woodlots, the combination of Dairy Bush and the Arboretum gi...

A: alpha diversity: It refers to within habitat diversity. Beta diversity: It refers to habitat diversi...

Q: Which are the most conventional type of experiment involves three major pairs of components?

A: The most conventional type of experiment involves three major pairs of components are described belo...

Q: What is the reason we have trouble analyzing proteins in phospholipid membranes? a. They are Hydroph...

A: Phospholipid bilayer consists of two contiguous layers of phospholipids by the hydrophobic tails bei...

Q: What are the microbes called which colonize our bodies and actually help us to survive by aiding dig...

A: Microbes are small sized organisms which cannot be seen by naked eyes. They are only visible through...

Q: anemia (nih.gov) 3. Describe the effect of the amino acid change on protein function: How does the H...

A: Point 3 is your answer. In the image uploaded below. 

Q: Could the inner mitochondrial membrane carry out its functions in the coupling of electron transport...

A: Mitochondria is a cellular organelle. It is a membrane bound organelle which performs cellular respi...

Q: Identify the duct/organ pictured below. Identify the tissue marked with the blue line in the image b...

A: 1.The given diagram is a microscopic view of gastrointestinal tract . This is the passage of digesti...

Q: If you were given a tube containing only a purified protein of interest but had unlimited time and r...

A: Every cell of a multicellular organism or a single-celled organism functions fundamentally with the ...

Q: How many different types of alterations in chromosomal numbers are there? -How can I use the F plas...

A: Uracil is a compound present in RNA base, it is replaced by thymine in DNA. 

Q: Telophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear memb...

A: Telophase is the fifth or we can say final phase of mitosis. it is the process that separate the dup...

Q: Population Size 100 Gray Blue 50 5 10 15 Generation Population

A: Competitive exclusion principle states that two different species (interspecific competition) or the...

Q: 4. Characterize the following human chromosomes as to size and as to position of its centromere. Typ...

A: Chromosomes are thin structure present inside the nucleus which consists of DNA , proteins and most ...

Q: explain what is Thalassemia and what people with thalassemia should do?

A: Sickle cell disease is a genetic disorder caused by a mutation in the HBB gene that codes for hemogl...

Q: What is the function of the cell membrane? To control the substances that enter and leave the cell O...

A: Introduction :- The cell membrane, also known as the plasma membrane, is found in all cells and serv...

Q: elect all that are correct. The minimum inhibitory concentration a. can be determined by a Kirby-Ba...

A: When a new antibiotic is isolated, it needs to be studied in detail to know if it can be effective a...

Q: Compare and contrast gametogenesis in starfish and sea urchin.

A: Answer--

Q: Draw and label the parts of frog neurulation stages as seen in x.s. and w.m. preparations.

A: Neurulation in frog is a folding process in which the vertebrate embryos which essentially manages t...

Q: NERVOUS System What is the largest section of the brain? What is a neuron? Name the two major divisi...

A: Nervous system is the major controlling, regulatory and communicating system in our body. It is the ...

Q: When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, a...

A: Fermentation is a method of extracting chemical energy that does not require the use of an electron ...

Q: Explain the signals that start and stop translation.

A: The process of synthesis of protein using messenger RNA (mRNA) as a template is known as translation...

Q: The Arctic is an example of a harsh environment. Plants living in the Arctic are faced with many cha...

A: The Arctic is located at the northernmost part of Earth. Temperatures of this region in winter can d...

Q: One possible explanation for the distribution of ostriches is vicariance True or false ?

A: Ostriches are the largest flightless birds and are native of Africa as they are found in semi-arid g...

Q: Are homologous chromosome pairs present in a diploid cell? Are they present in a haploid cell?

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA (deoxyri...

Q: Question 5 You are a student researcher in a comparative physiology lab for the summer. You are inte...

A: Temperature effect of LDH in fish. 

Q: Distinguish between excretion, egestion, osmoregulation and secretion by means of both definitions a...

A: Egestion is the discharge of undigested material during defecation, whereas excretion is the process...

Q: I. A 29-year-old woman (gravida 3, para 2) gave birth to a healthy baby after 38 weeks of gestation ...

A: The correct answer is d. The chorionic villi, or foetal tissues, illustrated in the photomicrograph ...

Q: What is the pituitary considered in this system: stimulus, sensor, control center, or effector? Expl...

A: The pituitary is most important gland in our body and it is also known as master endocrine gland. Ho...

Q: CHANGE OF THE PROCESSES THAT CHANGE GENETIC INFORMATION INTO ITS NEW FORM

A: Genetics is one of the diverse and widely studied branch in the field of science. It is a branch of ...

Q: Sodium and potassium play a key role in the generation of____? A. hormones B. New tissue C. Nerve...

A: Introduction :- Sodium is a mineral that is found in salt as one of the chemical elements. Potassium...

Q: Seabirds Human Polar bear ce algae Seal Zooplankton Phytoplankton Beluga whale Bowhead whale Arctic/...

A: The given picture resembles the marine food web for the Pacific region. A food web consists of all t...

Q: Define ecological fallacy

A: Ecology is about the structure and functioning of biotic and abiotic factors present in a system and...

Q: The Arctic is an example of a harsh environment. Plants living in the Arctic are faced with many cha...

A: The Arctic region has a diverse and harsh environment for plants and animals to live there. Most of ...

Q: What is the importance of adding NSS and Iodine in the stool sample? Compare the two NSS (SALINE) IO...

A: What is the importance of adding NSS and iodine in the stool sample? compare the two Introduction: T...

Q: Proteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c. o...

A: The conversion of the DNA into the mRNA is termed as the transcription and the conversion if this mR...

Q: Explain some ways in which the cell cycle is controlled.

A: Introduction  Almost every cell in eukaryotes divides with some exceptions such as nerve cells and t...

Q: The body's command center for regulating fluids is located in the ____? A. Lungs B. Kidneys C. Hy...

A: The nervous system is the command center. it controls the  movements, thoughts and automatic respons...

Q: Binding of______ to_______ in DNA can increase the rate of transcription of specific genes. a. activ...

A: Transcription is a process in which one strand of DNA known as template strand is known as converted...

Q: All mutations .a. result from radiationb. lead to evolutionc. are caused by DNA damaged. change the ...

A: Mutations can be categorized as point mutation, chromosome mutation, and copy number mutations. Poin...

Q: What do scientist infer from the similarities between these stuctures? Humerus- Radius Ulna- Carpals...

A: Introduction: Homologous organs are those that have similar structures and share common ancestors bu...

Q: Did dinosaurs and humans ever exist at the same time?

A: Homo habilis, which existed between 2.4 and 1.4 mya in Eastern and Southern Africa, is among the old...

Q: Explain about fossil record

A: A group of fossils that have been analyzed, after which they have been sorted into chronological and...

Q: Explain about embroyology

A: Embryo  It is early stages of development of sexually producing multicellular organisms.  

Q: Muscle cells differ from bone cells because they_______ . a. carry different genes c. are eukaryotic...

A: All the cells of the body have all genes. It is the differential expression of genes which different...

Q: Explain different types of blood groups and donor compatibility by making a table

A: The presence or absence of two surface antigens on RBCs, A and B, determines ABO blood grouping. 

Q: What is animal biochemistry?

A: Biochemistry is the analysis of biochemical functions at the molecular and cellular levels.

Q: A decrease in entropy occurs during the CO2 uptake phase of the Calvin cycle, as freely moving CO2 m...

A: Photosynthesis is a process in which sunlight is used to convert carbon dioxide and water into gluco...

Q: Phases of meiosis Anaphase I a) Homologous pairs separate. b ) Chromosomes

A: Meiosis 1 if the reduction division in which chromosome number is reduced to half.  This division he...

Q: The Calvin cycle begins when CO2 reacts with (a) phosphoenolpyruvate(b) glyceraldehyde-3-phosphate (...

A: Introduction:- Carbon dioxide enters the inside of a leaf through pores called stomata and diffuses ...