Description : why is zygote is formed after fertilization? -Biology
Last Answer : answer:
Description : What is formed at the end of flower fertilization ?
Last Answer : Fruits are formed after flowering
Description : The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) ..................... ... formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization
Last Answer : Ans. ((c))
Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.
Last Answer : (a) cellular totipotency
Description : In human embryo the extra embryonic membrane are formed by :
Last Answer : In human embryo the extra embryonic membrane are formed by : A. Inner cell wall B. Trophoblast C. Formative cells D. Foillcless cells
Description : Basement membrane is formed by
Last Answer : Basement membrane is formed by A. Epidermal cells B. Endodermal cells C. Both 1 and 2 D. None of the above present below epitehelial cells .
Description : Which of the following statement(s) is/are true concerning cellular ion channels? a. Ion channels are transmembrane proteins that form pores that can conduct ions across the plasma membrane b. ... undergo conformational changes between open states and closed states d. Ion channels can be blocked
Last Answer : Answer: a, b, c, d Ion channels are transmembrane proteins that form pores that can conduct ions across the plasma membrane. Ion channels are formed by membrane-spanning peptides that are arranged ... be blocked by ions or organic compounds that enter the channel, bind there, and occlude the pore
Description : Explain in brief about leukotrienes and prostaglandins Leukotrienes and prostaglandins are formed only when the mast cell undergo degranulation and enzymatic break down of phospholipids in the plasma membrane ?
Last Answer : The effects produced by them are more pronounced and long lasting than histamine. Leukotrienes mediate mucous production and bronchoconstriction. Prostaglandin D2 causes bronchoconstriction.
Description : Second messengers a. are substances that interact with first messengers inside cells b. are substances that bind to first messengers in the cell membrane c. are hormones secreted by cells ... the intracellular responses to many different hormonesand neurotransmitters e. are not formed in the brain
Last Answer : mediate the intracellular responses to many different hormonesand neurotransmitters
Description : Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements. (1) Vitamin A derivatives are formed from carotene. (2) The photopigments are embedded in the membrane discs of the inner ... (1) and (3) (c) (2), (3) and (4) (d) (1) and (2)
Last Answer : (b) (1) and (3)
Description : The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because (a) a proton gradient forms across the inner membrane (b) there is a ... mitochondrial proteins (d) ADP is pumped out of the matrix into the intermembrane space.
Last Answer : (a) a proton gradient forms across the inner membrane
Description : Which of the following statements is not correct? (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum. (b) Lysosomes have numerous hydrolytic enzymes. (c) The hydrolytic enzymes of lysosomes are active under acidic pH. (d) Lysosomes are membrane-bound structures.
Last Answer : (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
Description : Good vision depends on adequate intake of carotene rich food : Select the best option from the following statements : (a) Vitamin A derivatives are formed from carotene (b) The photopigments are embedded in the membrane discs of the inner segment ... (a) and (c) (3) (b), (c) and (d) (4) (a) and (b)
Last Answer : (1) (a), (c) and (d)
Description : Most of the thickness of cornea is formed by: a. Epithelial layer b. Substantia propria c. Descemet's membrane d. Endothelium
Last Answer : ANSWER: B
Description : Difference between mitosis after fertilization and mitosis for growth?
Last Answer : Need Answer
Description : If you were seeking to get pregnant via in vitro fertilization, what would you do if you found out that the wrong embryos were implanted?
Last Answer : I'm assuming that since I'm using in vitro, it's been hard for me to conceive. I'd let it go and keep the embryos that were implanted - the universe has a way of making these things happen even if ... want to see what kind of a relationship she'd want with me, the babies (if they are born), etc.
Description : What is the best location to grow grapes? What type of fertilization is best?
Description : Explain the process of double fertilization. -Biology
Description : Significance of double fertilization. -Biology
Description : Which plants retain sepals even after fertilization? -Biology
Description : Are pollination and fertilization necessary in apomixis? -Biology
Description : Significance of double fertilization? -Biology
Description : What is the difference between pollination and fertilization? -Biology
Description : What happens to polar nuclei after fertilization? -Biology
Description : Polar nuclei and double fertilization -Biology
Description : Where does double fertilization occur in plants? -Biology
Description : Double fertilization in angiosperms produces? -Biology
Description : Result of double fertilization in angiosperms? -Biology
Description : Why is fertilization in the flower known as double fertilization? -Biology
Description : Post fertilization changes in flower. -Biology
Description : What is development of fruit without fertilization called? -Do You Know?
Description : What happens a few days after fertilization?
Last Answer : the embryo attaches the mother
Description : Are cells that exit meiosis immediately capable of fertilization?
Last Answer : At the end of meiosis, haploid cells are produced. These cells need to further develop into mature gametes capable of fertilization, a process called gametogenesis.
Description : How much is the process of fertilization ?
Last Answer : 2 types of fertilization .
Description : What kind of process is fertilization ?
Last Answer : Fertilization is a biological process.
Description : What is the seed after fertilization ?
Last Answer : After fertilization, the egg becomes a seed.
Description : What happens after fertilization ?
Last Answer : After fertilization, the uterus becomes a result.
Description : What is fertilization ?
Last Answer : : Fertilization is required for sexual reproduction. It is a biological process. Eggs and sperm in sexual reproduction Milon is called fertilization.
Description : What are the prerequisites for fertilization ?
Last Answer : Prerequisite for fertilization is germ cell formation.
Description : What is Fertilization ?
Last Answer : Fertilization is when a male gamete is perfectly matched with another female gamete.
Description : What is In vitro Fertilization ?
Last Answer : : Incubation of ovum and sperm outside the body is called in vitro fertilization.