Tema
Q:
Which of the following is NOT true of vaccines?
Allow for your body to more rapidly react to the pathogen in question if encountered later
Given to prompt your immune system to begin a specific immune response to an antigen
Involve introducing immune cells from others into your body
Typically made with dead or attenuated (weakened) virus or bacteria
Q:
Interferons function in cell to cell communication
True
False
Q:
Mucus and cilia work together in the respiratory system to trap pathogens and sweep them
down into the lower parts of the respiratory system
True
False
Q:
Which of the following is NOT characteristic of inflammation?
redness
heat
local dehydration
swelling
Q:
Four Cell product
Each cell is Haploid.
Differentiation continues. (ex: Sperm
grow tails and shrink.)
Q:
The human female reproductive system is designed to
I. produce gametes in the ovaries.
II. support the development of a fetus in the uterus.
III. provide essential materials through the placenta.
IV. provide nutrition, or milk, from the mammary glands:
O. A. III, and III only
O. \( \mathrm{B} . \mathrm{II} \) and IV only
OC. I, II, III, and IV
OD. II, III, and IV only
Q:
Immediately after the cells differentiate-become particular kinds of cells-they begin to form tissues. When does heart tissue first
form in a human?
A. during the third trimester of pregnancy
B. during birth
OC. during the first trimester of pregnancy
D. during the second trimester of pregnancy
Q:
Most mammals have diploid body cells and haploid gametes. During ___ zygote is formed.
and a chromosomes from haploid gametes combine,
A. implantation, haploid
B. implantation, diploid
C. fertilization, haploid
D. fertilization, diploid
Q:
Almost all living things are able to produce offspring during their life cycles In mammals, the organ system responsible for the
production of offspring does not mature until the mammal reaches puberty. Which of the following organ system is involved in the
production of offspring?
A. integumentary system
B. reproductive system
O. immune system
D. respiratory system
Q:
1. Quali sono le proprietà
dell'acqua fondamentali
per la vita?
2. Perché un insetto può
camminare sul pelo
dell'acqua?
3. Perché in estate il mare è
meno caldo della sabbia?
4. Perché il ghiaccio è meno
denso dell'acqua allo stato
liquido?
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