48. Which of the following is not true about the following figure?
1
23
12
4
6
11
10-
9
5
8
7-
Select one:
a. Number 2 produces blood cells
b. Numbers 4-9 are part of the diaphysis
Oc. Number 5 is mostly adipose tissue
Od. This is a child's bone
Oe. Number 3 used to be cartilage but has ossified in this individual

The statement that is not true about the given figure is option d, "This is a child's bone."

The given figure represents a long bone in an adult human. The long bone has several identifiable parts, including the epiphysis, diaphysis, and medullary cavity, as well as features such as the periosteum, articular cartilage, and nutrient foramina.

Option a, "Number 2 produces blood cells," is true as the bone marrow inside the epiphysis produces red and white blood cells.

Option b, "Numbers 4-9 are part of the diaphysis," is true as the diaphysis is the long, tubular part of the bone that lies between the epiphyses.

Option c, "Number 5 is mostly adipose tissue," is true as the yellow bone marrow, which is mainly adipose tissue, fills the medullary cavity of the diaphysis.

Option e, "Number 3 used to be cartilage but has ossified in this individual," is true as the epiphyseal plate, also known as the growth plate, is made of hyaline cartilage during the bone's growth and development, but eventually ossifies as the bone matures.

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Which statement about radiation is FALSE? The polar regions do not receive as much solar radiation as the equator. Radiation can travel through the vacuum of space. Some radiation from the sun reflects off the clouds and back into space. All parts of earth's surface receive the same amount of radiation from the sun.​

Infectious agents can be
transferred from one biological source to another through vertical or horizontal transfer. Using specific examples, discuss the various methods and their effectiveness in infection transmission (7 marks). 2.
Classify the following diseases according to their various water-related classes and give specific preventive measures as per their classification (8 marks). a.
Caliciviruses b.
Giardiasis c. Hepatitis
d. Japanese encephalitis e. Lymphatic filariasis f.
Pseudomonas Dermatitis g.
Trachoma h. Typhoid
fever

With continual improvements made to microscopes over time, magnification technology advanced enough to discover cells in the 17th century. This discovery is largely attributed to Robert Hooke and began the scientific study of cells. Over a century later, many debates about cells began amongst scientists. Most of these debates involved the nature of cellular regeneration and the idea of cells as a fundamental unit of life. The cell theory was eventually formulated in 1839.

The three tenets to the cell theory are:
1. All living organisms are composed of one or more cells.
2. The cell is the basic unit of structure and organization in organisms.
3. Cells arise from pre-existing cells.
Which TWO of these contributed to formation of the cell theory?
Responses
A Theodor Schwann stated that along with plants, animals are composed of cells or the product of cells in their structures.Theodor Schwann stated that along with plants, animals are composed of cells or the product of cells in their structures.
B Matthias Schleiden suggested that every structural part of a plant was made up of cells or the result of cells.Matthias Schleiden suggested that every structural part of a plant was made up of cells or the result of cells.
C Spontaneous generation was a widely held belief that stated that some vital force contained in or given to organic matter can create living organisms from inanimate objects.Spontaneous generation was a widely held belief that stated that some vital force contained in or given to organic matter can create living organisms from inanimate objects.
D Robert Hooke observed cork cells under the microscope coining the term "cell."Robert Hooke observed cork cells under the microscope coining the term "cell."
E Leeuwenhoek observed motile organisms which included protozoans and other unicellular organisms, like bacteria, calling them "animalcules," .