HOW MANY YEARS AGO DID THE MOST RECENT EPOCH BEGIN?   HOW MANY MASS EXTINCTION EVENTS HAS EARTH WITNESSED SO FAR?

Q: What are the organs upper end and lower ends of oesophagus connected to?

A: The oesophagus (sometimes spelled Esophagus) is a 25-centimeter-long cylindrical tube-like structure…

Q: Why does it makes sense that melanocytes are Because melanocyte cells are too big to be located…

A: Skin is an organ since it is made up of many tissues that work together to fulfill specialized and…

Q: sequence is read A DNA sequence before and after replication 3 from left to right. The table below…

A: A mutation occurs when the nucleotide sequence of an organism, virus, or extra - chromosomal DNA is…

Q: Make a TABLE (containing the summary) of the stages of emrbyonic development with each of the…

A: Embryogenesis is a process of development of the embryo from the zygote , the processes involved…

Q: Fill in the gaps in the following sentences using the words in the box below. i) Enzymes are…

A: Enzymes are released by the exocrine glands in our body that perform a specific chemical reaction by…

Q: 2) An investigation of yellow croaker tail fin length showed that the length of fins varied from…

A: Quantitative trait-- Introduction -- Different traits are studied in different classes which may be…

Q: 1- Depending on the enzymatic method in DNA isolation, What is the defending mechanism of our eyes…

A: During DNA replication, the complete double helix of DNA is gradually unwound, resulting in…

Q: At this point, go over your answers on table 6 and to guide questions 17 to 19. Using these answers…

A: Introduction ATP can be produced in two ways either by substrate-level phosphorylation or by…

Q: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the…

A: Hi dear, here's your answer what you want. Can you please give me an upvote for this answer.

Q: Some events that occur in endochondral ossification are listed below. I. Blood vessels invade the…

A: Endochondral ossification is the process by which the embryonic cartilaginous model of most bones…

Q: Which scientist studied how wounds heal and proposed that cells come from preexisting cells

A: The cell theory proposed by Matthias Schleiden and Theodore Schwann suggested that all living…

Q: What is the amount (mL) of pre-culture (108 cell/mL) necessary to inoculate (to add) in a 2-liter…

A: Culture media is a solid or semisolid substance used to support the growth of microorganisms. It is…

Q: 17. In gene sequencing, the different sized fragments made visible in a gel electrophoresis are…

A: Gel electrophoresis is a laboratory method used to separate mixtures of DNA, RNA, or proteins…

Q: In eusocial insect societies, explain why sterile workers spend their lives providing for their…

A:

Q: Which of the following children is MOST LIKELY to develop rickets? a child with dark skin who drinks…

A:

Q: Which of the following actions describes movement of diaphragm during exhalation? Group of answer…

A: The respiratory system is responsible for gaseous exchange between the atmospheric air and the body.…

Q: How long can the human body go without sleep while being bombarded with much stress and studies?

A: Answer : as we know the human body needs the sleep to work and function accordingly. There is an…

Q: is lycopene considered a compound? why do you say so?

A: Lycopene is a bright-red water-insoluble pigment synthesized by photosynthetic organisms. This…

Q: 6. Increasing the aldosterone secretion during prolonged muscle activity in hot weather allows you…

A: Aldosterone It's a hormone that helps keep your Bp (blood pressure) in equilibrium. It keeps your…

Q: Directions: Complete the Krebs Cycle process below. KREBS CYCLE 2-C CoA-SH 8 NAD+ 4-C 4-C FAD COA-SH…

A: Krebs cycle is also known as TCA cycle. This cycle is one of the biochemical pathway involved in the…

Q: The following proteins are involved in direct repair mechanisms except O Ada enzyme O Translesion…

A: Direct DNA repair mechanism The DNA is prone to mutations by various external factors. These results…

Q: What is the pattern of distribution of koi fishes (Cyprinus rubrofuscus)? What are the limiting…

A: Koi is a fish that is present in the whole world. On the skin of koi fishes, there are patterns and…

Q: Briefly discuss the secondary vesicles in the embryonic development.

A: Secondary vesicles in embryonic development.

Q: Which structure contains smooth muscle?

A: Answer : Internal anal sphincter.

Q: How does light color affect oxygen production?

A: Plants are known to be food manufacturers, and most people are aware that light is their source of…

Q: found

A: • Fibula  is the bone of the leg  • Patella  is the bone of the knee , its a type of the sesamoid…

Q: All steps in the calculations must be reported, incomplete reporting of these leads directly to…

A: Acetyl coenzyme acts as an allosteric activator of enzyme pyruvate carboxylase. This enzyme adds CO2…

Q: When doing the glucose in drinks experiment I measured an absorbance reading of 0.002 for orange…

A: Light is made up of many colors, which are referred to as wavelengths . Each color has its own…

Q: What are the functions of chlorophyll and the photosystems?

A: Chlorophyll is a lipid soluble green colored pigment which is present in oxygenic photosynthetic…

Q: Define epistasis?

A: Epistasis is genetic phenomenon in which the effect of a gene mutation is determined by the presence…

Q: What is the pattern of distribution of koi fishes (Cyprinus rubrofuscus)? What are the limiting…

A: The colored varieties of the Amur carp are called as the Koi fish. These are used for the decorative…

Q: 1. Differentiate the types of culture media based on its physical state and uses.

A: MICROBES This is why they are given names such as microbes.They produce 60% of the living matter on…

Q: Describe the structural features of the human immunodeficiency virus and the host cell membrane that…

A: HIV is an abbreviation for human immunodeficiency virus. It wreaks havoc on your immune system by…

Q: Andoy regularly visits his rice field each morning to see if the plants are growing healthy with…

A: From the symptoms of the disease it can be concluded that the disease is Sheath blight affecting the…

Q: Are all secondary sources entirely accurate for biology research

A: Secondary data for Research The secondary data for research includes all the research papers,…

Q: 1. Refer to Model 2, A) in which cycle is glucose removed from the blood by storing it or moving it…

A: Glucose (blood sugar) is transported to cells in the tissues, where it is either broken down or…

Q: Make a TABLE (containing the summary) of the stages of emrbyonic development with each of the…

A: Embryogenesis is a process of development of the embryo from the zygote , the processes involved…

Q: be beneficial or harmful? Explain your answer 2. Distinguish between spontaneous and induced…

A: Abrupt changes in the DNA sequence that may or may not change the amino acid sequences in a protein…

Q: What component of control mechanism produces a response in the body? Group of answer choices…

A: The control centre of the control mechanism decides what kind of response is to be made. There are…

Q: Identify whether the type of flowers in: -Pistia stratiotes -Calotropis gigantea -Gloriosa superba…

A: Pistia Stratiotes is unisexual because it is a plant of dioecious  type Calotropis gigantea is a…

Q: What type of anatomical plane is marked "B" in the given figure? O frontal O coronal O transverse O…

A: There are mainly four types of anatomical planes. The first one is a frontal plane, the second is…

Q: 5. A light year is approximately 9.46 x 1012 kilometres. Calculate in light years, the approximate…

A: A genome is a full set of genetic material found in an organism.  Deoxyribonucleic acid (DNA) is a…

Q: 'Only those who risk going too far can possibly find out how far they can go." Explain this quote in…

A: You can figure out your limits by attempting different activities and discovering what you can and…

Q: Define two fungal pathogens, and also write its morphological characterization.

A: Fungus is a type of eukaryotic organism that includes microbes like yeasts and moulds, as well as…

Q: Andoy regularly visits his rice field each morning to see if the plants are growing healthy with…

A: From the symptoms of the disease it can be concluded that the disease is Sheath blight affecting the…

Q: What are SER? What are the functions of SER?

A: The endoplasmic reticulum (ER) is generally State to define as the form of a three-dimensional…

Q: Directions: Using the illustration of glucose (6-carbon compound) below, illustrate how glycolysis…

A: Glycolysis is a metabolic pathway to break down glucose into pyruvic acid . Through this…

Q: what is the main parts in clinical chemistry that be important in manual and automated method *

A: Clinical chemistry is the application of chemical analysis to medical diagnosis and treatment.…

Q: 1. Differentiate the types of culture media based on its physical state and uses.

A: MICROBES This is why they are given names such as microbes.They produce 60% of the living matter on…

Q: Which of the following characteristics is NOT a property of cardiac muscles? Group of answer choices…

A: Cardiac muscle is  found only in the heart and is responsible for the ability of the heart to pump…

Paleontology

A branch of science concerning the scientific study of life from ancient times is known as paleontology. The scientists working on paleontology are known as paleontologists. Paleontologists collect the fossils of organisms from ancient times to classify them. The paleontologists also study the environment from ancient times to study the interactions between different organisms.