UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 3)1

Celera Corporation

(Name of Issuer)

Common Stock, par value $0.01

(Title of Class of Securities)

15100E106

(CUSIP Number)

ELIZABETH DELANEY

BVF PARTNERS L.P.

900 North Michigan Avenue

Suite 1100

Chicago, Illinois 60611

(312) 506-6500

ADAM W. FINERMAN, ESQ.

OLSHAN GRUNDMAN FROME ROSENZWEIG & WOLOSKY LLP

Park Avenue Tower

65 East 55th Street

New York, New York 10022

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

April 21, 2011

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

_______________

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BIOTECHNOLOGY VALUE FUND, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 2,696,302
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 2,696,302
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,696,302
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 3.3%
14	TYPE OF REPORTING PERSON PN

2

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BIOTECHNOLOGY VALUE FUND II, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 1,814,900
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 1,814,900
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,814,900
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 2.2%
14	TYPE OF REPORTING PERSON PN

3

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF INVESTMENTS, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 6,982,615
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 6,982,615
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,982,615
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 8.5%
14	TYPE OF REPORTING PERSON OO

4

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON INVESTMENT 10, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION ILLINOIS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 800,675
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 800,675
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 800,675
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1%
14	TYPE OF REPORTING PERSON OO

5

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF PARTNERS L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 12,294,492
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 12,294,492
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 12,294,492
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 14.96%
14	TYPE OF REPORTING PERSON PN, IA

6

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF INC.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 12,294,492
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 12,294,492
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 12,294,492
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 14.96%
14	TYPE OF REPORTING PERSON CO

7

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON MARK N. LAMPERT
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 12,294,492
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 12,294,492
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 12,294,492
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 14.96%
14	TYPE OF REPORTING PERSON IN

8

CUSIP NO. 15100E106

The following constitutes Amendment No. 3 to the Schedule 13D filed by the undersigned (“Amendment No. 3”).  This Amendment No. 3 amends the Schedule 13D as specifically set forth herein.

Item 3. Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by BVF, BVF2, BVLLC and ILL10 were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases.  The aggregate purchase cost of the 12,294,492 Shares beneficially owned in the aggregate by BVF, BVF2, BVLLC, and ILL10 is approximately $89,575,121, including brokerage commissions.

Item 5. Interest in Securities of the Issuer.

Items 5(a) and (b) are hereby amended and restated to read as follows:

(a)           The aggregate percentage of Shares reported owned by each person named herein is based upon 82,155,471 Shares outstanding, which is the total number of Shares outstanding as of March 16, 2011, as reported in the Issuer’s Recommendation Statement on Schedule 14D-9 filed with the Securities and Exchange Commission on March 28, 2011.

As of the close of business on April 21, 2011, BVF beneficially owned 2,696,302 Shares, BVF2 beneficially owned 1,814,900 Shares, BVLLC beneficially owned 6,982,615 Shares and ILL10 beneficially owned 800,675 Shares, representing percentage ownership of approximately 3.3%, 2.2%, 8.5% and less than 1%, respectively, of the Shares outstanding.

As the general partner of BVF and BVF2, the manager of BVLLC and the investment adviser of ILL10, Partners may be deemed to beneficially own the 12,294,492 Shares beneficially owned in the aggregate by BVF, BVF2, BVLLC and ILL10, representing percentage ownership of approximately 14.96% of the Shares outstanding.  As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the 12,294,492 Shares beneficially owned by Partners, representing percentage ownership of approximately 14.96% of the Shares outstanding.

Mr. Lampert, as a director and officer of BVF Inc. may be deemed to beneficially own the 12,294,492 Shares beneficially owned by BVF Inc., representing percentage ownership of approximately 14.96% of the Shares outstanding.

(b)           Each of BVF, BVF2, BVLLC and ILL10 shares with Partners voting and dispositive power over the Shares each such entity beneficially owns.  Partners, BVF Inc. and Mr. Lampert share voting and dispositive power over the 12,294,492 Shares they may be deemed to beneficially own with BVF, BVF2, BVLLC and ILL10.

Item 5(c) is hereby amended to add the following:

(c)           Schedule A annexed hereto lists all transactions in securities of the Issuer since the filing of Amendment No. 2 to the Schedule 13D.  All of such transactions were effected in the open market.

9

CUSIP NO. 15100E106

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated:  April 22, 2011
BIOTECHNOLOGY VALUE FUND, L.P.		INVESTMENT 10, L.L.C.
By:	BVF Partners L.P., its general partner	By:	BVF Partners L.P., its investment manager
By:	BVF Inc., its general partner	By:	BVF Inc., its general partner
By:	/s/ Mark N. Lampert	By:	/s/ Mark N. Lampert
	Mark N. Lampert		Mark N. Lampert
	President		President
BIOTECHNOLOGY VALUE FUND II, L.P.		BVF PARTNERS L.P.
By:	BVF Partners L.P., its general partner	By:	BVF Inc., its general partner
By:	BVF Inc., its general partner	By:	/s/ Mark N. Lampert
			Mark N. Lampert
By:	/s/ Mark N. Lampert		President
	Mark N. Lampert
	President
		BVF INC.
BVF INVESTMENTS, L.L.C.		By:	/s/ Mark N. Lampert
			Mark N. Lampert
By:	BVF Partners L.P., its manager		President
By:	BVF Inc., its general partner
By:	/s/ Mark N. Lampert
	Mark N. Lampert
	President

/s/ Mark N. Lampert

MARK N. LAMPERT

10

CUSIP NO. 15100E106

SCHEDULE A

Transactions in the Securities of the Issuer Since the Filing of Amendment No. 2 to the Schedule 13D

Class of Security	Securities Purchased	Price ($)	Date of Purchase
BIOTECHNOLOGY VALUE FUND, L.P.
Common Stock	11,700	8.0300	04/12/11
Common Stock	22,300	8.0706	04/13/11
Common Stock	18,100	8.0455	04/14/11
Common Stock	23,000	8.0768	04/15/11
Common Stock	19,100	8.0700	04/19/11
Common Stock	21,900	8.0497	04/20/11
Common Stock	208,400	7.9948	04/21/11
BIOTECHNOLOGY VALUE FUND II, L.P.
Common Stock	7,900	8.0300	04/12/11
Common Stock	15,000	8.0706	04/13/11
Common Stock	12,000	8.0455	04/14/11
Common Stock	16,000	8.0768	04/15/11
Common Stock	12,500	8.0700	04/19/11
Common Stock	14,800	8.0497	04/20/11
Common Stock	140,200	7.9948	04/21/11
INVESTMENT 10, L.L.C.
Common Stock	3,400	8.0300	04/12/11
Common Stock	6,700	8.0706	04/13/11
Common Stock	4,000	8.0455	04/14/11
Common Stock	6,000	8.0768	04/15/11
Common Stock	7,800	8.0700	04/19/11
Common Stock	6,500	8.0497	04/20/11
Common Stock	61,900	7.9948	04/21/11
BVF INVESTMENTS, L.L.C.
Common Stock	30,000	8.0300	04/12/11
Common Stock	56,000	8.0706	04/13/11
Common Stock	42,000	8.0455	04/14/11
Common Stock	55,000	8.0768	04/15/11
Common Stock	60,600	8.0700	04/19/11
Common Stock	56,800	8.0497	04/20/11
Common Stock	539,500	7.9948	04/21/11