Compare autocrine and paracrine signaling that occurs through local hormones

Q: Heritability is a measurement that estimates the proportion of     phenotypic variation in an ...

A: Introduction  Genes play crucial role in controlling the phenotype of the individual which the organ...

Q: Select the best answer. Birds differ from earlier vertebrates by Select one: their ability to mainta...

A: Birds are vertebrates which fly in the sky with the help of their wings. These possess feathers on t...

Q: Parasympathetic stimulation of the sinoatrial node ______.   A is necessary; without it the hear...

A: Parasympathetic system of the body is responsible for the body's rest and digestion response when th...

Q: The ABO blood groups in humans are determined by a multiple allelic system in which A and B are codo...

A: A blood type is a characterization of blood, in light of the presence and nonappearance of antibodie...

Q: One difference between the semilunar valves and the atrioventricular valves is that only the semilun...

A: The valves that are found between the atria and ventricles are termed as atrioventricular valves, wh...

Q: After a person recovers from the chickenpox, the virus can lie dormant in the dorsal root ganglion i...

A: Shingles are also known as herpes zoster. It is the reactivation of the chickenpox virus in the body...

Q: What large family of viruses causes respiratory infections such as the common cold? Herpesvirus Retr...

A: Viruses are very small infectious agents, hard to see with the naked eyes. Some viruses cause very m...

Q: The pericardial cavity contains _____.   A blood vessels supplying the heart muscle and adipose ...

A: Anatomically, pericardial cavity is the physical space between visceral and parietal layers of heart...

Q: How photosynthesis occured.

A: Photosynthesis: It is a process used by plants and other organisms to convert light energy into chem...

Q: Which of the following pairings of genotypes is a concern for the health of the baby in regards to R...

A: Rh sensitization can happen in pregnancy if the mother is Rh-negative and pregnant with a growing ba...

Q: Which of the following organisms does not rely upon free spores to reproduce?   Group of answer choi...

A: Spore formation is a method of asexual reproduction. In this method, spores are stored in the sporan...

Q: Compared to the ventricles, the atria ____.   A do not contract as many times per minute   B ...

A:  It also removes waste products from the body. It has three components: blood, heart and the blood v...

Q: For the following short sequence of double stranded DNA and the given primers, there will be one maj...

A: Polymerase chain reaction (PCR) is generally used to produce millions or even billions of copies in ...

Q: Higner rates of mutation are in RNA Viruses. Why? Replication of their genomes does not involve proo...

A: RNA  nucleotides are more unstable than DNA nucleotides

Q: Where does the SARS-LoV2 virus replicate? On surfaces like door handles and toilets In sewage In sal...

A: Severe acute respiratory syndrome - coronavirus 2 (SARS-CoV2) belongs to the envolped positive-sense...

Q: Many inheritance patterns in traits, especially continuous ones, cannot be accounted for by Mendelia...

A: There are many contradictions to Mendel’s laws of Inheritance. The inheritance patterns that do not ...

Q: A person with "AB" blood has a child with an "A" person; which of the following is NOT a possible bl...

A: The type of blood group that the child will inherit will be decided by looking at the blood group of...

Q: During which phase do cells have more DNA? G1 or G2

A: The cell is the basic structural and functional unit of life. It carries out various functions in th...

Q: How would the changes you described in pulmonary circulation then affect blood pressure in the pulmo...

A: The cardiovascular system or blood circulatory system delivers nutrients and oxygen to all the cells...

Q: On occasion, a trait that appears to be autosomal is produced in unexpected ratios in male and femal...

A: The trait is defined as the specific or particular characteristic of an organism. Traits can be dete...

Q: Diatomic oxygen (O2) exhibits which of the following membrane transport movements? it is not able t...

A: Membrane Transport allows the transport of molecules across the lipid bilayer. The route through whi...

Q: Tell me 3 things about each one? are they selective , differential , positive , negative results etc...

A: To study bacteria and other microorganisms, it is necessary to grow them in controlled conditions in...

Q: what type of glucose transport protein is found in pancreatic beta cells? SGLUT-1 GLUT-2 GLUT-3 GLUT...

A: Glucose transporter (GLUT) is a facilitative transport protein involved in glucose translocation acr...

Q: After passing through the inferior vena cava blood passes through the ____.   A coronary sinus ...

A: The cardiovascular system or circulatory system is comprised of blood pumping muscular organ, heart,...

Q: Aerobic organisms are dependent on autotrophs. One reason for this dependency is that most autotroph...

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want...

Q: Someone who never developed symptoms of COVID-19 is called someone who has mild symptoms before they...

A: Coronavirus disease 2019 or COVID-19 is disease caused by Severe acute Respiratory syndrome coronavi...

Q: The genome of SARS-CoV-2 has been sequenced. A translation of the genome shows that it is made up of...

A: It is an enveloped virus and the envelope is coated with spike proteins, envelope and membrane prote...

Q: Which of the following is the correct answer and why!? Thanks in advance

A: Cancer cells differ from the normal cells of the body in many ways as normal cells become cancerous ...

Q: Identify the Krebs cycle enzyme that consumes a six-carbon substrate molecule, producing a six-carbo...

A: Krebs cycle is also called the citric acid cycle and TCA (tricarboxylic acid) cycle. It is a chain o...

Q: Similar characteristics of groups of viruses make up a of viruses.

A: Viruses are infectious agents that hijack the cellular machinery of the host cell to form more of it...

Q: Which of the following is a serous membrane that covers the surface of an organ? Parietal layer Vi...

A: A group of cells having a similar structure, origin, and function is tissue. Animal tissues can be d...

Q: A heterozygous pea plant that is tall with yellow seeds, TtGg, is allowed to self-fertilize.   What ...

A: Finding probability by sum rule means that out of the given events any one of the events would occur...

Q: Two haploid yeast with the genotypes HIS4 LEU2 LYS2 and his4 leu2 lys2 were mated to produce diploid...

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Q: Which of the following membrane transport proteins would you expect to be the most rapid (although n...

A: As per the transport rates, this has been studied that channel proteins are quicker than the carrier...

Q: In a normal heartbeat the atria contract ______.   A at exactly the same time as the ventricles ...

A: Rhythmic pulsation of the heart as a result of an action potential is known as the heartbeat. The ra...

Q: what is the transmembrane protein responsible for ATP synthesis during both photosynthesis and cellu...

A: ATP provides energy to drive various processes in living systems like nerve impulse propagation, mus...