When do the homologous chromosome pairs align adjacent to one another at the metaphase plate of a cell? O metaphase of mitosis telophase II of meiosis metaphase I of meiosis metaphase II of meiosis

Q: Define coagulation

A: Blood is a fluid that provides food, oxygen, and the removal of waste for the body. The blood contai...

Q: Intestinal blood flows to the liver by way ofa. the superior mesenteric artery.b. the celiac trunk.c...

A: The digestive system involves the digestion as well as the absorption of food from the alimentary ca...

Q: Chorionic villi develop froma. the zona pellucida.b. the endometrium.c. the syncytiotrophoblast.d. t...

A: Chorionic villi are the finger like projections that arise from placenta It is the innermost region ...

Q: Summarize how the kidneys maintain the water-saltbalance in the body

A: Kidneys are referred to as the paired organ of the body that are located at sides of the vertebral c...

Q: In Hibiscus, Are the ovules attached at the bottom, the side, or the apex of the locule? How many ov...

A: Flowers are the reproductive organ of a angiospermic plant. It is composed of petal, calyces, the st...

Q: 16: Name the three parts that make up the structure indicated by the bracket. 16B 16C 16A

A:    Meristems are populations of small living cells with embryonic characteristics. they retain capac...

Q: How does childbirth start? Describe interactions between different hormones, the placenta and the fe...

A: Childbirth, also known as labour or delivery, is the ending of pregnancy, where one or more babies l...

Q: Questions Match the letter with the appropriate numbered statement. A. Bile 1 Organ of absorption B....

A: The digestive system is a vital organ system of the body that concerns the ingestion, and digestion ...

Q: Describe the structure of the adrenal cortex. What hormones aresecreted in each region?

A: The pyramidal-shaped gland present or the superior surface of the kidneys are adrenal glands. These ...

Q: Contrast and give the functions of a stretch reflex and a Golgitendon reflex. Describe the sensory r...

A: A reflex is any response that occurs automatically without conscious effort and the response is medi...

Q: Define collecting duct

A: Kidneys are bean-shaped structural organs. They are responsible for the water reabsorption and excre...

Q: What are the effects of PO2 on carbaminohemoglobin formation and H1 binding by hemoglobin?

A: The erythrocytes are usually referred to as the red blood cells due to the presence of iron-containi...

Q: The process of making ATP using ATP-Synthase is an example of

A: ATP synthase - inner membrane mitochondrial enzyme. generation  of ATP in plants is takes place by t...

Q: Why is the movement of ions across the plasma membrane important, and in which direction do ions mov...

A: The plasma membrane is composed of phospholipids. It is a lipid bilayer. It has hydrophobic hydrocar...

Q: Define mitosis, and list its four stages.

A: Mitosis is a process where a single cell divides into two identical daughter cells. The major purpos...

Q: Define melanin

A: Pigments: The substances or molecules that provide color to a structure or a body part are known as ...

Q: Define action

A: An action potential is referred to as a sudden, fast, transitory, and propagating change of the rest...

Q: Why does an injury to cartilage, especially hyaline cartilage, heal much more slowly than a bone fra...

A: Bones and cartilage are types of connective tissue that make up the skeletal system. They are made u...

Q: What do diffusion, facilitated diffusion, and osmosis have in common? In what way do they differ?

A: A plasma membrane is a bilayered phospholipid structure that separates the cell from external surrou...

Q: Define trophoblast

A: An embryo is an early growth stage of the human fertilization process. This is formed by the fusion ...

Q: Define deamination

A: Biomolecules refer to the molecules involved in metabolism inside the living organisms. They are cat...

Q: The first step in hemostasis is ________.a. vascular spasmb. conversion of fibrinogen to fibrinc. ac...

A: Hemostasis is the cascade of process to prevent or stop bleeding following an injury due to damage c...

Q: Define progesterone

A: The endocrine system is responsible for producing hormones that influence the working of the cells. ...

Q: A skin cancer that occurs as a large brown or black patch is _______________.

A: Cancer is the uncontrolled growth of the cells in the body. It is a disease of cells where cell repr...

Q: Define utricle

A: The two otolith organs in the vertebrate inner ear are the utricle and saccule bare the portion of t...

Q: Define lunula; pl. lunulae

A: Lunula is located at the base of the nail just before the nail plate.it is white in color and have a...

Q: What hormonal changes are important for breastfeeding?

A: The process of breastfeeding involves the nursing or feeding of a child during its early age. It is ...

Q: Define hydrolysis

A: Chemical reaction, a process in which one or more substances, the reactants, are converted to one or...

Q: Mr. Reczkiewicz has blood type AB-. Which of the following blood types could be safely donated to Mr...

A: Rh, also known as the rhesus factor is a protein. It is found on the surface of erythrocytes (Red bl...

Q: Define orgasm

A: Sexual intercourse is the reproductive act in which the male reproductive organ (in case of humans a...

Q: 17

A: The ploidy of a cell is the number of chromosome present in a cell. Meiosis is reduction division wh...

Q: DETAILED DESCRIPTION OF STROKE AND ITS TYPES? (MENTION SYMPTOMS WITH EACH STROKE TYPE)

A: The major blood supply to the brain is carried out by two main sets of arteries which branch from th...

Q: Define yolk sac

A: An embryo is an early growth stage of the human fertilization process. This is formed by the fusion ...

Q: Define cerebellum

A: The brain is a powerful organ that controls all the functions of the body along with providing cogni...

Q: Define efferent

A: Kidneys are a center of blood purification and urine formation. They are responsible for the circula...

Q: What hormone is produced by cardiac muscle cells in theheart wall?

A: The cardiovascular system consists of the heart, the blood vessels, and most importantly, the blood....

Q: Define hypothalamus

A: The endocrine system consists of a group of glands and organs that regulate and control various body...

Q: Do the coronary arteries fill with blood when the ventriclescontract or when they relax?

A: The coronary arteries are the arterial blood vessels of coronary circulation, which transport oxygen...

Q: Describe the muscles of the anterior neck.

A: Neck muscles help in head movement, stabilization of the upper region of body, elevation of the rib ...

Q: describe the anatomy of the scrotum, testes, and penis;

A: Reproduction is a biological process by which an organism reproduces an offspring who is biologicall...

Q: What two primary functions are performed by the thoracic cage?

A: The rib cage is commonly known as the thoracic cage. which is present around the thoracic cavity. It...

Q: 1. Explain what the differences would be between push and pull exercises. Explain what they are, and...

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

Q: Despite all that we know about cancer today, some types of cancers are still increasing in frequency...

A: Cancer is the title given to a collection of related infections. In all sorts of cancer, a few of th...

Q: Name the prime movers of elbow flexion and extension

A: The muscular system is responsible for the movement of the human body. Attached to the bones of the ...

Q: What are the anatomical relationships between the organs of the female reproductive system from the ...

A: The anatomical structures involved in sexual reproduction are the reproductive system of an organism...

Q: Why is parthenogenesis in bees considered to be a form of asexual reproduction? Select one: a. The...

A: The parthenogenesis word is derived from Greek word and it simply means virgin birth.  An unfertiliz...

Q: The ability of the epidermis to resist rubbing and abrasion is largely due to the presence of (a) me...

A: The integumentary system is the body system that actually and metaphorically surrounds you. You can ...

Q: In which type of blood vessels are valves found? What istheir function?

A: Blood vessels are defines as the tube-like structure which helps the circulation of blood throughout...

Q: Indicate the functional importance of bone markings.

A: In mammals, a bone is a hard tissue that is a part of the vertebrate skeleton. Bones protect the bod...

Q: Define pulmonary artery

A: Lungs are the respiratory organ. It consists of air sacs called alveoli which absorb the air from br...