Homework Answers
QUESTION 98
In this case, the correct answer is choanocytes. These cells line the asconoid interior and they form a specialized cell layer called Chanoderm.
QUESTION 99
The correct answer is Hox genes. The Hox genes are a set of genes which are involved in the regulation of the morphogenesis and cell differentiation during the early embryonic development.
QUESTION 100
In this case, there are four main characteristics that all chordates share:
•Pharyngeal slits
•Post-anal tail
•Notochord
•Dorsal, hollow nerve cord
Add Answer to:
98) Which cells in a sponge are primarily responsible for trapping and removing food particles from...
1. what group were the first primates? a. prosimians b) cetaceans c) anthropoids d) old world...
1. what group were the first primates? a. prosimians b) cetaceans c) anthropoids d) old world monkeys d) simians 2. not a derived feature of birds a. toothless b. small gonads, simple ovary c. hollow or honeycombed bones d. keratinized feathers derived from skin scales e. jaw joint bones (incus, malleus incorporated in inner ear 2. why is an amniotic egg an important evolutionary breakthrough? a. permits internal fertilization to be replaced by external fertilization b. has shell that increases...
Please only give correct answer choice, no explanation needed please and thanks. will give a thumbs...
Please only give correct answer choice, no explanation needed
please and thanks. will give a thumbs up. :)
6. What is the correct evolutionary pathway for the key features of chordates! A. notochord - vertebrae-jaws - bony skeleton - lungs - 4 limbs - amniotic C66- mammary glands B. vertebrae - notochord- jaws - bony skeleton - lungs - 4 limbs - amniotic egg - mammary glands C. notochord - vertebrae-jaws - bony skeleton - lungs - amniotic egg -...
no explaination is needed SECTION A (approx. 1 hour). Answer on the special MCQ answer sheet...
no explaination is needed
SECTION A (approx. 1 hour). Answer on the special MCQ answer sheet provided. Follow the instructions carefully on how to fill this in. Answer ALL questions. ERRE 1. Which germ layer is found in triploblastic animals but not diploblastic animals? a) Ectoderm b) Endoderm c) Mesoderme d d) Mesoglea er 2. At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo? a) Fertilization b) Cleavage c) Gastrulation d)...
no explaination is needed 1. At which developmental stage should one be able to first distinguish...
no explaination is needed
1. At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo? a) Fertilization b) Cleavage c) Gastrulation d) Coelom formation Which of the following is a diploblastic phylum of aquatic predators? a) Mollusca b) Annelida c) Arthropoda d) Cnidaria 3. Arthropods are animals with a) a segmented body, hard exoskeleton and jointed appendages. b) a limbless body composed of a series of fused rings. c) soft non-segmented bodies,...
24. Which of the following mechanisms produces the most cells for tissue growth from stem cells?...
24. Which of the following mechanisms produces the most cells for tissue growth from stem cells? a. The division of the stem cells themselves. b. The division of fully differentiated cells. C. The division of transit amplifying cells. d. The division of stromal/mesenchymal cells. 25. Which of the following would most likely promote cancer if it had a hyperactive mutation? a. E-Cadherin b. Cyclin D c. p27 d. Weet kinase 26. Snakes and lizards each have vertebrae and ribs. Which...
6583 - 1 - Page 1 Name: 1) Which is a true statement about the process...
6583 - 1 - Page 1 Name: 1) Which is a true statement about the process illustrated below? A) It is the beginning of embryonic development and occurs only in a freshwater environment B) It is the beginning of regeneration and occurs only within the female. C) It is the beginning of ovule formation and occurs on the stigma of flowers. D) It is the beginning of embryonic development and occurs within the female or in water. Normally, each cell...
i know this is a lot but pls and thank you - 66) The diagram below...
i know this is a lot but pls and thank you
- 66) The diagram below represents processes in the reproduction of a honeybee. As indicated in this diagram, which processes produce a male honeybee? A) meiosis and parthenogenesis C) fertilization and cleavage B) fertilization and parthenogenesis D) meiosis and budding Questions 67 and 68 refer to the following: The diagram below represents a portion of the female reproductive system 67) Which process occurs between A and B? A) fertilization...
22. The inner call mass of a blastocyst is comprised of cells that are A) multipotent...
22. The inner call mass of a blastocyst is comprised of cells that are A) multipotent B) pluripotent c) fotipotent. D) None of the above 23. What is the most difficult part of creating a human heart from stem cells? A) inducing the stem cells to become beating cardiac cells B) isolating the stem cells C) creating the "scaffold of the heart and structures like valves that are not made of cells 24. Which of the following structures on the...
8) Lipids are digested in which of the following parts of the digestive system? A) mouth...
8) Lipids are digested in which of the following parts of the digestive system? A) mouth B) stomach C) small intestines D) A and B E) A and C 9) A nerve cell has many distinct regions that allow it to receive and pass on electrical signals to surrounding cells. Between receiving the signal and sending a signal, the signal travels down its A) soma B) dendrites C) axon D) axon terminals 10) Tetrapods underwent many evolutionary changes leading up...
33. Stages of embryonic development -the heart begins to beat -inner cell mass differentiates into three...
33. Stages of embryonic development -the heart begins to beat -inner cell mass differentiates into three germ layers -mitosis leads to a 100-cell mass -implantion occurs in the endomentrium the embryonic development listed above occur in the sequence_,_,_,and _ 34.which of the following correctly identifies the stages in embryonic development between weeks 2 and 8? a) gastrualation --> neurulation and placental formation --> organ formation b)formation of placenta -->gastrualation --> organ formation --> neurulation c) gastrualation-->organ formation-->neuralation-->formation of placenta d)formation...
Please only give correct answer choice, no explanation needed
please and thanks. will give a thumbs up. :)
6. What is the correct evolutionary pathway for the key features of chordates! A. notochord - vertebrae-jaws - bony skeleton - lungs - 4 limbs - amniotic C66- mammary glands B. vertebrae - notochord- jaws - bony skeleton - lungs - 4 limbs - amniotic egg - mammary glands C. notochord - vertebrae-jaws - bony skeleton - lungs - amniotic egg -...
no explaination is needed
SECTION A (approx. 1 hour). Answer on the special MCQ answer sheet provided. Follow the instructions carefully on how to fill this in. Answer ALL questions. ERRE 1. Which germ layer is found in triploblastic animals but not diploblastic animals? a) Ectoderm b) Endoderm c) Mesoderme d d) Mesoglea er 2. At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo? a) Fertilization b) Cleavage c) Gastrulation d)...
no explaination is needed
1. At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo? a) Fertilization b) Cleavage c) Gastrulation d) Coelom formation Which of the following is a diploblastic phylum of aquatic predators? a) Mollusca b) Annelida c) Arthropoda d) Cnidaria 3. Arthropods are animals with a) a segmented body, hard exoskeleton and jointed appendages. b) a limbless body composed of a series of fused rings. c) soft non-segmented bodies,...
24. Which of the following mechanisms produces the most cells for tissue growth from stem cells? a. The division of the stem cells themselves. b. The division of fully differentiated cells. C. The division of transit amplifying cells. d. The division of stromal/mesenchymal cells. 25. Which of the following would most likely promote cancer if it had a hyperactive mutation? a. E-Cadherin b. Cyclin D c. p27 d. Weet kinase 26. Snakes and lizards each have vertebrae and ribs. Which...
6583 - 1 - Page 1 Name: 1) Which is a true statement about the process illustrated below? A) It is the beginning of embryonic development and occurs only in a freshwater environment B) It is the beginning of regeneration and occurs only within the female. C) It is the beginning of ovule formation and occurs on the stigma of flowers. D) It is the beginning of embryonic development and occurs within the female or in water. Normally, each cell...
i know this is a lot but pls and thank you
- 66) The diagram below represents processes in the reproduction of a honeybee. As indicated in this diagram, which processes produce a male honeybee? A) meiosis and parthenogenesis C) fertilization and cleavage B) fertilization and parthenogenesis D) meiosis and budding Questions 67 and 68 refer to the following: The diagram below represents a portion of the female reproductive system 67) Which process occurs between A and B? A) fertilization...
22. The inner call mass of a blastocyst is comprised of cells that are A) multipotent B) pluripotent c) fotipotent. D) None of the above 23. What is the most difficult part of creating a human heart from stem cells? A) inducing the stem cells to become beating cardiac cells B) isolating the stem cells C) creating the "scaffold of the heart and structures like valves that are not made of cells 24. Which of the following structures on the...
8) Lipids are digested in which of the following parts of the digestive system? A) mouth B) stomach C) small intestines D) A and B E) A and C 9) A nerve cell has many distinct regions that allow it to receive and pass on electrical signals to surrounding cells. Between receiving the signal and sending a signal, the signal travels down its A) soma B) dendrites C) axon D) axon terminals 10) Tetrapods underwent many evolutionary changes leading up...
Most questions answered within 3 hours.
-
Add 1ml of 0.18M of HCl (aq) to 1ml of 0.2M of [Ag(NH3)2]Br
(aq).
Write the...
asked 5 minutes ago -
1. Smoke detectors use Am-241, an alpha emitter, to detect smoke
particles. A parent is concerned...
asked 10 minutes ago -
Scenario: Web application developed to capture customers
demographic and financial information for filling their taxes. This...
asked 13 minutes ago -
Which of the following statements are true?
1. Glass is mostly silicon dioxide and so when...
asked 36 minutes ago -
Korman Company has the following securities in its portfolio of
equity securities on December 31, 2018:...
asked 36 minutes ago -
Using the 12th edition of Language Awareness,
complete the following assignment:
After reading Akiba Solomon's "Thugs....
asked 47 minutes ago -
For all problems assume an effective monthly interest rate of 1%
unless otherwise indicated in the...
asked 57 minutes ago -
Fix all syntax and logical errors for the following program.
Please generate the correct output. //...
asked 1 hour ago -
The USPS sells money orders identified by an 11 –digit number
x1, x2, …, x11. The...
asked 1 hour ago -
Provide an example of equilibrium in relation to
Newton’s First and Second Laws. Explain your answer....
asked 1 hour ago -
You are __________ to commit a Type I error using the 0.05 level
of significance than...
asked 1 hour ago -
1. the following results are obtained:
200
kiwi
575 wild-type
What can we conclude about the...
asked 1 hour ago